1#! /bin/sh 2 3# Start Vim on a copy of the tutor file. 4 5# Usage: vimtutor [-g] [xx] 6# Where optional argument -g starts vimtutor in gvim (GUI) instead of vim. 7# and xx is a language code like "es" or "nl". 8# When an argument is given, it tries loading that tutor. 9# When this fails or no argument was given, it tries using 'v:lang' 10# When that also fails, it uses the English version. 11 12# Vim could be called "vim" or "vi". Also check for "vimN", for people who 13# have Vim installed with its version number. 14# We anticipate up to a future Vim 8 version :-). 15seq="vim vim8 vim75 vim74 vim73 vim72 vim71 vim70 vim7 vim6 vi" 16if test "$1" = "-g"; then 17 # Try to use the GUI version of Vim if possible, it will fall back 18 # on Vim if Gvim is not installed. 19 seq="gvim gvim8 gvim75 gvim74 gvim73 gvim72 gvim71 gvim70 gvim7 gvim6 $seq" 20 shift 21fi 22 23xx=$1 24export xx 25 26# We need a temp file for the copy. First try using a standard command. 27tmp="${TMPDIR-/tmp}" 28TUTORCOPY=`mktemp $tmp/tutorXXXXXX || tempfile -p tutor || echo none` 29 30# If the standard commands failed then create a directory to put the copy in. 31# That is a secure way to make a temp file. 32if test "$TUTORCOPY" = none; then 33 tmpdir=$tmp/vimtutor$$ 34 OLD_UMASK=`umask` 35 umask 077 36 getout=no 37 mkdir $tmpdir || getout=yes 38 umask $OLD_UMASK 39 if test $getout = yes; then 40 echo "Could not create directory for tutor copy, exiting." 41 exit 1 42 fi 43 TUTORCOPY=$tmpdir/tutorcopy 44 touch $TUTORCOPY 45 TODELETE=$tmpdir 46else 47 TODELETE=$TUTORCOPY 48fi 49 50export TUTORCOPY 51 52# remove the copy of the tutor on exit 53trap "rm -rf $TODELETE" 0 1 2 3 9 11 13 15 54 55for i in $seq; do 56 testvim=`which $i 2>/dev/null` 57 if test -f "$testvim"; then 58 VIM=$i 59 break 60 fi 61done 62 63# When no Vim version was found fall back to "vim", you'll get an error message 64# below. 65if test -z "$VIM"; then 66 VIM=vim 67fi 68 69# Use Vim to copy the tutor, it knows the value of $VIMRUNTIME 70# The script tutor.vim tells Vim which file to copy 71$VIM -f -u NONE -c 'so $VIMRUNTIME/tutor/tutor.vim' 72 73# Start vim without any .vimrc, set 'nocompatible' 74$VIM -f -u NONE -c "set nocp" $TUTORCOPY 75