Mercurial > vim

comparison runtime/doc/eval.txt @ 9:4102fb4ea781 v7.0002

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
updated for version 7.0002
author vimboss
date Sun, 20 Jun 2004 12:51:53 +0000
parents 3fc0f57ecb91
children 4e2284e71352
comparison
equal deleted inserted replaced
8:7edf9b6e4c36 9:4102fb4ea781
1 *eval.txt* For Vim version 7.0aa. Last change: 2004 May 18 1 *eval.txt* For Vim version 7.0aa. Last change: 2004 Jun 20
2 2
3 3
4 VIM REFERENCE MANUAL by Bram Moolenaar 4 VIM REFERENCE MANUAL by Bram Moolenaar
5 5
6 6
513 513
514 let s:counter = 0 514 let s:counter = 0
515 command Tick let s:counter = s:counter + 1 | echo s:counter 515 command Tick let s:counter = s:counter + 1 | echo s:counter
516 516
517 When calling a function and invoking a user-defined command, the context for 517 When calling a function and invoking a user-defined command, the context for
518 script varialbes is set to the script where the function or command was 518 script variables is set to the script where the function or command was
519 defined. 519 defined.
520 520
521 The script variables are also available when a function is defined inside a 521 The script variables are also available when a function is defined inside a
522 function that is defined in a script. Example: > 522 function that is defined in a script. Example: >
523 523
970 browsing is not possible, an empty string is returned. 970 browsing is not possible, an empty string is returned.
971 971
972 bufexists({expr}) *bufexists()* 972 bufexists({expr}) *bufexists()*
973 The result is a Number, which is non-zero if a buffer called 973 The result is a Number, which is non-zero if a buffer called
974 {expr} exists. 974 {expr} exists.
975 If the {expr} argument is a number, buffer numbers are used.
975 If the {expr} argument is a string it must match a buffer name 976 If the {expr} argument is a string it must match a buffer name
976 exactly. 977 exactly. The name can be:
977 If the {expr} argument is a number buffer numbers are used. 978 - Relative to the current directory.
979 - A full path.
980 - The name of a buffer with 'filetype' set to "nofile".
981 - A URL name.
978 Unlisted buffers will be found. 982 Unlisted buffers will be found.
979 Note that help files are listed by their short name in the 983 Note that help files are listed by their short name in the
980 output of |:buffers|, but bufexists() requires using their 984 output of |:buffers|, but bufexists() requires using their
981 long name to be able to find them. 985 long name to be able to find them.
982 Use "bufexists(0)" to test for the existence of an alternate 986 Use "bufexists(0)" to test for the existence of an alternate
985 Obsolete name: buffer_exists(). 989 Obsolete name: buffer_exists().
986 990
987 buflisted({expr}) *buflisted()* 991 buflisted({expr}) *buflisted()*
988 The result is a Number, which is non-zero if a buffer called 992 The result is a Number, which is non-zero if a buffer called
989 {expr} exists and is listed (has the 'buflisted' option set). 993 {expr} exists and is listed (has the 'buflisted' option set).
990 The {expr} argument is used like with bufexists(). 994 The {expr} argument is used like with |bufexists()|.
991 995
992 bufloaded({expr}) *bufloaded()* 996 bufloaded({expr}) *bufloaded()*
993 The result is a Number, which is non-zero if a buffer called 997 The result is a Number, which is non-zero if a buffer called
994 {expr} exists and is loaded (shown in a window or hidden). 998 {expr} exists and is loaded (shown in a window or hidden).
995 The {expr} argument is used like with bufexists(). 999 The {expr} argument is used like with |bufexists()|.
996 1000
997 bufname({expr}) *bufname()* 1001 bufname({expr}) *bufname()*
998 The result is the name of a buffer, as it is displayed by the 1002 The result is the name of a buffer, as it is displayed by the
999 ":ls" command. 1003 ":ls" command.
1000 If {expr} is a Number, that buffer number's name is given. 1004 If {expr} is a Number, that buffer number's name is given.
1231 1235
1232 executable({expr}) *executable()* 1236 executable({expr}) *executable()*
1233 This function checks if an executable with the name {expr} 1237 This function checks if an executable with the name {expr}
1234 exists. {expr} must be the name of the program without any 1238 exists. {expr} must be the name of the program without any
1235 arguments. executable() uses the normal $PATH. 1239 arguments. executable() uses the normal $PATH.
1240 On MS-DOS and MS-Windows the ".exe", ".bat", etc. must be
1241 included. It only checks if the file exists and is not a
1242 directory, not if it's really executable.
1236 The result is a Number: 1243 The result is a Number:
1237 1 exists 1244 1 exists
1238 0 does not exist 1245 0 does not exist
1239 -1 not implemented on this system 1246 -1 not implemented on this system
1240 1247
1908 line("'" . marker) line number of mark marker 1915 line("'" . marker) line number of mark marker
1909 < *last-position-jump* 1916 < *last-position-jump*
1910 This autocommand jumps to the last known position in a file 1917 This autocommand jumps to the last known position in a file
1911 just after opening it, if the '" mark is set: > 1918 just after opening it, if the '" mark is set: >
1912 :au BufReadPost * if line("'\"") > 0 && line("'\"") <= line("$") | exe "normal g'\"" | endif 1919 :au BufReadPost * if line("'\"") > 0 && line("'\"") <= line("$") | exe "normal g'\"" | endif
1913 < 1920
1914 line2byte({lnum}) *line2byte()* 1921 line2byte({lnum}) *line2byte()*
1915 Return the byte count from the start of the buffer for line 1922 Return the byte count from the start of the buffer for line
1916 {lnum}. This includes the end-of-line character, depending on 1923 {lnum}. This includes the end-of-line character, depending on
1917 the 'fileformat' option for the current buffer. The first 1924 the 'fileformat' option for the current buffer. The first
1918 line returns 1. 1925 line returns 1.
2744 footer Compiled with GUI footer support. |gui-footer| 2751 footer Compiled with GUI footer support. |gui-footer|
2745 fork Compiled to use fork()/exec() instead of system(). 2752 fork Compiled to use fork()/exec() instead of system().
2746 gettext Compiled with message translation |multi-lang| 2753 gettext Compiled with message translation |multi-lang|
2747 gui Compiled with GUI enabled. 2754 gui Compiled with GUI enabled.
2748 gui_athena Compiled with Athena GUI. 2755 gui_athena Compiled with Athena GUI.
2749 gui_beos Compiled with BeOs GUI. 2756 gui_beos Compiled with BeOS GUI.
2750 gui_gtk Compiled with GTK+ GUI (any version). 2757 gui_gtk Compiled with GTK+ GUI (any version).
2751 gui_gtk2 Compiled with GTK+ 2 GUI (gui_gtk is also defined). 2758 gui_gtk2 Compiled with GTK+ 2 GUI (gui_gtk is also defined).
2752 gui_mac Compiled with Macintosh GUI. 2759 gui_mac Compiled with Macintosh GUI.
2753 gui_motif Compiled with Motif GUI. 2760 gui_motif Compiled with Motif GUI.
2754 gui_photon Compiled with Photon GUI. 2761 gui_photon Compiled with Photon GUI.
2799 ruby Compiled with Ruby interface |ruby|. 2806 ruby Compiled with Ruby interface |ruby|.
2800 scrollbind Compiled with 'scrollbind' support. 2807 scrollbind Compiled with 'scrollbind' support.
2801 showcmd Compiled with 'showcmd' support. 2808 showcmd Compiled with 'showcmd' support.
2802 signs Compiled with |:sign| support. 2809 signs Compiled with |:sign| support.
2803 smartindent Compiled with 'smartindent' support. 2810 smartindent Compiled with 'smartindent' support.
2804 sniff Compiled with SniFF interface support. 2811 sniff Compiled with SNiFF interface support.
2805 statusline Compiled with support for 'statusline', 'rulerformat' 2812 statusline Compiled with support for 'statusline', 'rulerformat'
2806 and special formats of 'titlestring' and 'iconstring'. 2813 and special formats of 'titlestring' and 'iconstring'.
2807 sun_workshop Compiled with support for Sun |workshop|. 2814 sun_workshop Compiled with support for Sun |workshop|.
2808 syntax Compiled with syntax highlighting support. 2815 syntax Compiled with syntax highlighting support.
2809 syntax_items There are active syntax highlighting items for the 2816 syntax_items There are active syntax highlighting items for the