vim: runtime/doc/xxd.man annotate

annotate runtime/doc/xxd.man @ 33496:33cbd544dc46 v9.0.1998

patch 9.0.1998: xxd: cannot reverse a bit dump Commit: https://github.com/vim/vim/commit/85f4521808dd9a587c00f9a2927e84217721cfca Author: tristhaus <tristhaus@yahoo.de> Date: Fri Oct 6 19:51:13 2023 +0200 patch 9.0.1998: xxd: cannot reverse a bit dump Problem: xxd: cannot reverse a bit dump Solution: implement reversing the bit dump using -b -r closes: #13286 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: tristhaus <tristhaus@yahoo.de>

author	Christian Brabandt <cb@256bit.org>
date	Fri, 06 Oct 2023 20:00:05 +0200
parents	0a2c50b59f30
children	42f061099b39

rev	line source
6918 2def7b25de60 Updated runtime files. Bram Moolenaar <bram@vim.org> parents: 1126 diff changeset	1 XXD(1) General Commands Manual XXD(1)
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	2
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	3
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	4
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	5 NAME
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	6 xxd - make a hex dump or do the reverse.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	7
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	8 SYNOPSIS
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	9 xxd -h[elp]
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	10 xxd [options] [infile [outfile]]
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	11 xxd -r[evert] [options] [infile [outfile]]
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	12
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	13 DESCRIPTION
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	14 xxd creates a hex dump of a given file or standard input. It can also
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	15 convert a hex dump back to its original binary form. Like uuencode(1)
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	16 and uudecode(1) it allows the transmission of binary data in a `mail-
6918 2def7b25de60 Updated runtime files. Bram Moolenaar <bram@vim.org> parents: 1126 diff changeset	17 safe' ASCII representation, but has the advantage of decoding to stan‐
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	18 dard output. Moreover, it can be used to perform binary file patching.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	19
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	20 OPTIONS
6918 2def7b25de60 Updated runtime files. Bram Moolenaar <bram@vim.org> parents: 1126 diff changeset	21 If no infile is given, standard input is read. If infile is specified
2def7b25de60 Updated runtime files. Bram Moolenaar <bram@vim.org> parents: 1126 diff changeset	22 as a `-' character, then input is taken from standard input. If no
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	23 outfile is given (or a `-' character is in its place), results are sent
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	24 to standard output.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	25
6918 2def7b25de60 Updated runtime files. Bram Moolenaar <bram@vim.org> parents: 1126 diff changeset	26 Note that a "lazy" parser is used which does not check for more than
2def7b25de60 Updated runtime files. Bram Moolenaar <bram@vim.org> parents: 1126 diff changeset	27 the first option letter, unless the option is followed by a parameter.
2def7b25de60 Updated runtime files. Bram Moolenaar <bram@vim.org> parents: 1126 diff changeset	28 Spaces between a single option letter and its parameter are optional.
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	29 Parameters to options can be specified in decimal, hexadecimal or octal
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	30 notation. Thus -c8, -c 8, -c 010 and -cols 8 are all equivalent.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	31
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	32 -a \| -autoskip
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	33 Toggle autoskip: A single '*' replaces NUL-lines. Default off.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	34
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	35 -b \| -bits
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	36 Switch to bits (binary digits) dump, rather than hex dump. This
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	37 option writes octets as eight digits "1"s and "0"s instead of a
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	38 normal hexadecimal dump. Each line is preceded by a line number
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	39 in hexadecimal and followed by an ASCII (or EBCDIC) representa‐
33496 33cbd544dc46 patch 9.0.1998: xxd: cannot reverse a bit dump Christian Brabandt <cb@256bit.org> parents: 33444 diff changeset	40 tion. The command line switches -p, -i do not work with this
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	41 mode.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	42
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	43 -c cols \| -cols cols
13571 362b27e3f702 patch 8.0.1658: capitalize argument not available in long form Christian Brabandt <cb@256bit.org> parents: 6918 diff changeset	44 Format <cols> octets per line. Default 16 (-i: 12, -ps: 30, -b:
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	45 6). Max 256. No maximum for -ps. With -ps, 0 results in one
27118 2f854597399f patch 8.2.4088: xxd cannot output everything in one line Bram Moolenaar <Bram@vim.org> parents: 13571 diff changeset	46 long line of output.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	47
13571 362b27e3f702 patch 8.0.1658: capitalize argument not available in long form Christian Brabandt <cb@256bit.org> parents: 6918 diff changeset	48 -C \| -capitalize
29352 912224cab37f Update runtime files Bram Moolenaar <Bram@vim.org> parents: 27118 diff changeset	49 Capitalize variable names in C include file style, when using
13571 362b27e3f702 patch 8.0.1658: capitalize argument not available in long form Christian Brabandt <cb@256bit.org> parents: 6918 diff changeset	50 -i.
362b27e3f702 patch 8.0.1658: capitalize argument not available in long form Christian Brabandt <cb@256bit.org> parents: 6918 diff changeset	51
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	52 -E \| -EBCDIC
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	53 Change the character encoding in the righthand column from ASCII
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	54 to EBCDIC. This does not change the hexadecimal representation.
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	55 The option is meaningless in combinations with -r, -p or -i.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	56
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	57 -e Switch to little-endian hex dump. This option treats byte
56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	58 groups as words in little-endian byte order. The default group‐
56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	59 ing of 4 bytes may be changed using -g. This option only ap‐
56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	60 plies to the hex dump, leaving the ASCII (or EBCDIC) representa‐
56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	61 tion unchanged. The command line switches -r, -p, -i do not
56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	62 work with this mode.
6918 2def7b25de60 Updated runtime files. Bram Moolenaar <bram@vim.org> parents: 1126 diff changeset	63
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	64 -g bytes \| -groupsize bytes
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	65 Separate the output of every <bytes> bytes (two hex characters
56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	66 or eight bit digits each) by a whitespace. Specify -g 0 to sup‐
6918 2def7b25de60 Updated runtime files. Bram Moolenaar <bram@vim.org> parents: 1126 diff changeset	67 press grouping. <Bytes> defaults to 2 in normal mode, 4 in lit‐
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	68 tle-endian mode and 1 in bits mode. Grouping does not apply to
56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	69 PostScript or include style.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	70
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	71 -h \| -help
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	72 Print a summary of available commands and exit. No hex dumping
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	73 is performed.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	74
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	75 -i \| -include
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	76 Output in C include file style. A complete static array defini‐
56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	77 tion is written (named after the input file), unless xxd reads
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	78 from stdin.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	79
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	80 -l len \| -len len
13571 362b27e3f702 patch 8.0.1658: capitalize argument not available in long form Christian Brabandt <cb@256bit.org> parents: 6918 diff changeset	81 Stop after writing <len> octets.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	82
29352 912224cab37f Update runtime files Bram Moolenaar <Bram@vim.org> parents: 27118 diff changeset	83 -n name \| -name name
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	84 Override the variable name output when -i is used. The array is
29352 912224cab37f Update runtime files Bram Moolenaar <Bram@vim.org> parents: 27118 diff changeset	85 named name and the length is named name_len.
912224cab37f Update runtime files Bram Moolenaar <Bram@vim.org> parents: 27118 diff changeset	86
6918 2def7b25de60 Updated runtime files. Bram Moolenaar <bram@vim.org> parents: 1126 diff changeset	87 -o offset
13571 362b27e3f702 patch 8.0.1658: capitalize argument not available in long form Christian Brabandt <cb@256bit.org> parents: 6918 diff changeset	88 Add <offset> to the displayed file position.
6918 2def7b25de60 Updated runtime files. Bram Moolenaar <bram@vim.org> parents: 1126 diff changeset	89
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	90 -p \| -ps \| -postscript \| -plain
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	91 Output in PostScript continuous hex dump style. Also known as
56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	92 plain hex dump style.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	93
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	94 -r \| -revert
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	95 Reverse operation: convert (or patch) hex dump into binary. If
56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	96 not writing to stdout, xxd writes into its output file without
6918 2def7b25de60 Updated runtime files. Bram Moolenaar <bram@vim.org> parents: 1126 diff changeset	97 truncating it. Use the combination -r -p to read plain hexadeci‐
2def7b25de60 Updated runtime files. Bram Moolenaar <bram@vim.org> parents: 1126 diff changeset	98 mal dumps without line number information and without a particu‐
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	99 lar column layout. Additional whitespace and line breaks are al‐
33496 33cbd544dc46 patch 9.0.1998: xxd: cannot reverse a bit dump Christian Brabandt <cb@256bit.org> parents: 33444 diff changeset	100 lowed anywhere. Use the combination -r -b to read a bits dump
33cbd544dc46 patch 9.0.1998: xxd: cannot reverse a bit dump Christian Brabandt <cb@256bit.org> parents: 33444 diff changeset	101 instead of a hex dump.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	102
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	103 -R when
56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	104 In output the hex-value and the value are both colored with the
56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	105 same color depending on the hex-value. Mostly helping to differ‐
56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	106 entiate printable and non-printable characters. when is never,
33444 0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	107 always, or auto. When the $NO_COLOR environment variable is
0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	108 set, colorization will be disabled.
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	109
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	110 -seek offset
218 0d6554dfc71e updated for version 7.0061 vimboss parents: 36 diff changeset	111 When used after -r: revert with <offset> added to file positions
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	112 found in hex dump.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	113
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	114 -s [+][-]seek
13571 362b27e3f702 patch 8.0.1658: capitalize argument not available in long form Christian Brabandt <cb@256bit.org> parents: 6918 diff changeset	115 Start at <seek> bytes abs. (or rel.) infile offset. + indicates
33444 0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	116 that the seek is relative to the current stdin file position
1126 c5c164b4c95c updated for version 7.1a vimboss parents: 810 diff changeset	117 (meaningless when not reading from stdin). - indicates that the
33444 0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	118 seek should be that many characters from the end of the input
1126 c5c164b4c95c updated for version 7.1a vimboss parents: 810 diff changeset	119 (or if combined with +: before the current stdin file position).
c5c164b4c95c updated for version 7.1a vimboss parents: 810 diff changeset	120 Without -s option, xxd starts at the current file position.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	121
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	122 -u Use upper-case hex letters. Default is lower-case.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	123
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	124 -v \| -version
13571 362b27e3f702 patch 8.0.1658: capitalize argument not available in long form Christian Brabandt <cb@256bit.org> parents: 6918 diff changeset	125 Show version string.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	126
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	127 CAVEATS
33444 0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	128 xxd -r has some built-in magic while evaluating line number informa‐
0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	129 tion. If the output file is seekable, then the line numbers at the
0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	130 start of each hex dump line may be out of order, lines may be missing,
0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	131 or overlapping. In these cases xxd will lseek(2) to the next position.
0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	132 If the output file is not seekable, only gaps are allowed, which will
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	133 be filled by null-bytes.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	134
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	135 xxd -r never generates parse errors. Garbage is silently skipped.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	136
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	137 When editing hex dumps, please note that xxd -r skips everything on the
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	138 input line after reading enough columns of hexadecimal data (see option
33444 0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	139 -c). This also means that changes to the printable ASCII (or EBCDIC)
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	140 columns are always ignored. Reverting a plain (or PostScript) style hex
33444 0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	141 dump with xxd -r -p does not depend on the correct number of columns.
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	142 Here, anything that looks like a pair of hex digits is interpreted.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	143
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	144 Note the difference between
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	145 % xxd -i file
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	146 and
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	147 % xxd -i < file
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	148
33444 0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	149 xxd -s +seek may be different from xxd -s seek, as lseek(2) is used to
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	150 "rewind" input. A '+' makes a difference if the input source is stdin,
33444 0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	151 and if stdin's file position is not at the start of the file by the
0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	152 time xxd is started and given its input. The following examples may
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	153 help to clarify (or further confuse!):
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	154
33444 0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	155 Rewind stdin before reading; needed because the `cat' has already read
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	156 to the end of stdin.
810 9f345c48220b updated for version 7.0c vimboss parents: 218 diff changeset	157 % sh -c "cat > plain_copy; xxd -s 0 > hex_copy" < file
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	158
33444 0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	159 Hex dump from file position 0x480 (=1024+128) onwards. The `+' sign
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	160 means "relative to the current position", thus the `128' adds to the 1k
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	161 where dd left off.
33444 0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	162 % sh -c "dd of=plain_snippet bs=1k count=1; xxd -s +128 > hex_snippet"
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	163 < file
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	164
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	165 Hex dump from file position 0x100 (=1024-768) onwards.
810 9f345c48220b updated for version 7.0c vimboss parents: 218 diff changeset	166 % sh -c "dd of=plain_snippet bs=1k count=1; xxd -s +-768 > hex_snippet"
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	167 < file
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	168
33444 0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	169 However, this is a rare situation and the use of `+' is rarely needed.
0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	170 The author prefers to monitor the effect of xxd with strace(1) or
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	171 truss(1), whenever -s is used.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	172
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	173 EXAMPLES
810 9f345c48220b updated for version 7.0c vimboss parents: 218 diff changeset	174 Print everything but the first three lines (hex 0x30 bytes) of file.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	175 % xxd -s 0x30 file
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	176
810 9f345c48220b updated for version 7.0c vimboss parents: 218 diff changeset	177 Print 3 lines (hex 0x30 bytes) from the end of file.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	178 % xxd -s -0x30 file
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	179
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	180 Print 120 bytes as a continuous hex dump with 20 octets per line.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	181 % xxd -l 120 -ps -c 20 xxd.1
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	182 2e54482058584420312022417567757374203139
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	183 39362220224d616e75616c207061676520666f72
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	184 20787864220a2e5c220a2e5c222032317374204d
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	185 617920313939360a2e5c22204d616e2070616765
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	186 20617574686f723a0a2e5c2220202020546f6e79
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	187 204e7567656e74203c746f6e79407363746e7567
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	188
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	189 Hex dump the first 120 bytes of this man page with 12 octets per line.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	190 % xxd -l 120 -c 12 xxd.1
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	191 0000000: 2e54 4820 5858 4420 3120 2241 .TH XXD 1 "A
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	192 000000c: 7567 7573 7420 3139 3936 2220 ugust 1996"
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	193 0000018: 224d 616e 7561 6c20 7061 6765 "Manual page
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	194 0000024: 2066 6f72 2078 7864 220a 2e5c for xxd"..\
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	195 0000030: 220a 2e5c 2220 3231 7374 204d "..\" 21st M
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	196 000003c: 6179 2031 3939 360a 2e5c 2220 ay 1996..\"
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	197 0000048: 4d61 6e20 7061 6765 2061 7574 Man page aut
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	198 0000054: 686f 723a 0a2e 5c22 2020 2020 hor:..\"
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	199 0000060: 546f 6e79 204e 7567 656e 7420 Tony Nugent
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	200 000006c: 3c74 6f6e 7940 7363 746e 7567 <tony@sctnug
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	201
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	202 Display just the date from the file xxd.1
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	203 % xxd -s 0x36 -l 13 -c 13 xxd.1
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	204 0000036: 3231 7374 204d 6179 2031 3939 36 21st May 1996
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	205
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	206 Copy input_file to output_file and prepend 100 bytes of value 0x00.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	207 % xxd input_file \| xxd -r -s 100 > output_file
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	208
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	209 Patch the date in the file xxd.1
810 9f345c48220b updated for version 7.0c vimboss parents: 218 diff changeset	210 % echo "0000037: 3574 68" \| xxd -r - xxd.1
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	211 % xxd -s 0x36 -l 13 -c 13 xxd.1
125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	212 0000036: 3235 7468 204d 6179 2031 3939 36 25th May 1996
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	213
33444 0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	214 Create a 65537 byte file with all bytes 0x00, except for the last one
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	215 which is 'A' (hex 0x41).
810 9f345c48220b updated for version 7.0c vimboss parents: 218 diff changeset	216 % echo "010000: 41" \| xxd -r > file
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	217
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	218 Hex dump this file with autoskip.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	219 % xxd -a -c 12 file
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	220 0000000: 0000 0000 0000 0000 0000 0000 ............
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	221 *
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	222 000fffc: 0000 0000 40 ....A
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	223
29352 912224cab37f Update runtime files Bram Moolenaar <Bram@vim.org> parents: 27118 diff changeset	224 Create a 1 byte file containing a single 'A' character. The number af‐
33444 0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	225 ter '-r -s' adds to the line numbers found in the file; in effect, the
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	226 leading bytes are suppressed.
810 9f345c48220b updated for version 7.0c vimboss parents: 218 diff changeset	227 % echo "010000: 41" \| xxd -r -s -0x10000 > file
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	228
33444 0a2c50b59f30 runtime(doc): update xxd manpage and mention $NO_COLOR env Christian Brabandt <cb@256bit.org> parents: 33376 diff changeset	229 Use xxd as a filter within an editor such as vim(1) to hex dump a re‐
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	230 gion marked between `a' and `z'.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	231 :'a,'z!xxd
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	232
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	233 Use xxd as a filter within an editor such as vim(1) to recover a binary
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	234 hex dump marked between `a' and `z'.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	235 :'a,'z!xxd -r
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	236
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	237 Use xxd as a filter within an editor such as vim(1) to recover one line
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	238 of a hex dump. Move the cursor over the line and type:
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	239 !!xxd -r
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	240
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	241 Read single characters from a serial line
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	242 % xxd -c1 < /dev/term/b &
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	243 % stty < /dev/term/b -echo -opost -isig -icanon min 1
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	244 % echo -n foo > /dev/term/b
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	245
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	246 RETURN VALUES
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	247 The following error values are returned:
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	248
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	249 0 no errors encountered.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	250
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	251 -1 operation not supported (xxd -r -i still impossible).
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	252
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	253 1 error while parsing options.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	254
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	255 2 problems with input file.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	256
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	257 3 problems with output file.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	258
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	259 4,5 desired seek position is unreachable.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	260
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	261 SEE ALSO
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	262 uuencode(1), uudecode(1), patch(1)
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	263
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	264 WARNINGS
33376 56d291e65044 runtime(doc): regenerate xxd manpage Christian Brabandt <cb@256bit.org> parents: 29352 diff changeset	265 The tool's weirdness matches its creator's brain. Use entirely at your
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	266 own risk. Copy files. Trace it. Become a wizard.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	267
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	268 VERSION
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	269 This manual page documents xxd version 1.7
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	270
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	271 AUTHOR
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	272 (c) 1990-1997 by Juergen Weigert
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	273 <jnweiger@informatik.uni-erlangen.de>
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	274
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	275 Distribute freely and credit me,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	276 make money and share with me,
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	277 lose money and don't ask me.
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	278
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	279 Manual page started by Tony Nugent
3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	280 <tony@sctnugen.ppp.gu.edu.au> <T.Nugent@sct.gu.edu.au>
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	281 Small changes by Bram Moolenaar. Edited by Juergen Weigert.
7 3fc0f57ecb91 updated for version 7.0001 vimboss parents: diff changeset	282
36 125e80798a85 updated for version 7.0021 vimboss parents: 7 diff changeset	283 Manual page for xxd August 1996 XXD(1)

Mercurial > vim

annotate runtime/doc/xxd.man @ 33496:33cbd544dc46 v9.0.1998