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1 #! /bin/sh
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2
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3 # Start Vim on a copy of the tutor file.
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4
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5 # Usage: vimtutor [xx], where xx is a language code like "es" or "nl".
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6 # When an argument is given, it tries loading that tutor.
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7 # When this fails or no argument was given, it tries using 'v:lang'
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8 # When that also fails, it uses the English version.
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9
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10 xx=$1
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11 export xx
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12
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13 # We need a temp file for the copy. First try using a standard command.
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14 tmp="${TMPDIR-/tmp}"
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15 TUTORCOPY=`mktemp $tmp/tutorXXXXXX || tempfile -p tutor || echo none`
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16
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17 # If the standard commands failed then create a directory to put the copy in.
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18 # That is a secure way to make a temp file.
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19 if test "$TUTORCOPY" = none; then
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20 tmpdir=$tmp/vimtutor$$
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21 OLD_UMASK=`umask`
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22 umask 077
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23 getout=no
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24 mkdir $tmpdir || getout=yes
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25 umask $OLD_UMASK
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26 if test $getout = yes; then
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27 echo "Could not create directory for tutor copy, exiting."
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28 exit 1
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29 fi
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30 TUTORCOPY=$tmpdir/tutorcopy
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31 touch $TUTORCOPY
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32 TODELETE=$tmpdir
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33 else
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34 TODELETE=$TUTORCOPY
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35 fi
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36
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37 export TUTORCOPY
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38
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39 # remove the copy of the tutor on exit
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40 trap "rm -rf $TODELETE" 0 1 2 3 9 11 13 15
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41
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42 # Vim could be called "vim" or "vi". Also check for "vim6", for people who
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43 # have Vim 5.x installed as "vim" and Vim 6.0 as "vim6".
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44 testvim=`which vim6 2>/dev/null`
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45 if test -f "$testvim"; then
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46 VIM=vim6
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47 else
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48 testvim=`which vim`
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49 if test -f "$testvim"; then
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50 VIM=vim
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51 else
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52 VIM=vi
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53 fi
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54 fi
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55
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56 # Use Vim to copy the tutor, it knows the value of $VIMRUNTIME
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57 # The script tutor.vim tells Vim which file to copy
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58 $VIM -u NONE -c 'so $VIMRUNTIME/tutor/tutor.vim'
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59
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60 # Start vim without any .vimrc, set 'nocompatible'
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61 $VIM -u NONE -c "set nocp" $TUTORCOPY
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