1071d4279SBram Moolenaar#! /bin/sh 2071d4279SBram Moolenaar 3071d4279SBram Moolenaar# Start Vim on a copy of the tutor file. 4071d4279SBram Moolenaar 5071d4279SBram Moolenaar# Usage: vimtutor [xx], where xx is a language code like "es" or "nl". 6071d4279SBram Moolenaar# When an argument is given, it tries loading that tutor. 7071d4279SBram Moolenaar# When this fails or no argument was given, it tries using 'v:lang' 8071d4279SBram Moolenaar# When that also fails, it uses the English version. 9071d4279SBram Moolenaar 10071d4279SBram Moolenaarxx=$1 11071d4279SBram Moolenaarexport xx 12071d4279SBram Moolenaar 13071d4279SBram Moolenaar# We need a temp file for the copy. First try using a standard command. 14071d4279SBram Moolenaartmp="${TMPDIR-/tmp}" 15071d4279SBram MoolenaarTUTORCOPY=`mktemp $tmp/tutorXXXXXX || tempfile -p tutor || echo none` 16071d4279SBram Moolenaar 17071d4279SBram Moolenaar# If the standard commands failed then create a directory to put the copy in. 18071d4279SBram Moolenaar# That is a secure way to make a temp file. 19071d4279SBram Moolenaarif test "$TUTORCOPY" = none; then 20071d4279SBram Moolenaar tmpdir=$tmp/vimtutor$$ 21071d4279SBram Moolenaar OLD_UMASK=`umask` 22071d4279SBram Moolenaar umask 077 23071d4279SBram Moolenaar getout=no 24071d4279SBram Moolenaar mkdir $tmpdir || getout=yes 25071d4279SBram Moolenaar umask $OLD_UMASK 26071d4279SBram Moolenaar if test $getout = yes; then 27071d4279SBram Moolenaar echo "Could not create directory for tutor copy, exiting." 28071d4279SBram Moolenaar exit 1 29071d4279SBram Moolenaar fi 30071d4279SBram Moolenaar TUTORCOPY=$tmpdir/tutorcopy 31071d4279SBram Moolenaar touch $TUTORCOPY 32071d4279SBram Moolenaar TODELETE=$tmpdir 33071d4279SBram Moolenaarelse 34071d4279SBram Moolenaar TODELETE=$TUTORCOPY 35071d4279SBram Moolenaarfi 36071d4279SBram Moolenaar 37071d4279SBram Moolenaarexport TUTORCOPY 38071d4279SBram Moolenaar 39071d4279SBram Moolenaar# remove the copy of the tutor on exit 40071d4279SBram Moolenaartrap "rm -rf $TODELETE" 0 1 2 3 9 11 13 15 41071d4279SBram Moolenaar 42*1315349fSBram Moolenaar# Vim could be called "vim" or "vi". Also check for "vimN", for people who 43*1315349fSBram Moolenaar# have Vim installed with its version number. 44*1315349fSBram Moolenaar# We anticipate up to a future Vim 8 version :-). 45*1315349fSBram Moolenaarseq="vim vim8 vim75 vim74 vim73 vim72 vim71 vim70 vim7 vim6 vi" 46*1315349fSBram Moolenaarfor i in $seq; do 47*1315349fSBram Moolenaar testvim=`which $i 2>/dev/null` 48071d4279SBram Moolenaar if test -f "$testvim"; then 49*1315349fSBram Moolenaar VIM=$i 50*1315349fSBram Moolenaar break 51071d4279SBram Moolenaar fi 52*1315349fSBram Moolenaardone 53*1315349fSBram Moolenaar 54*1315349fSBram Moolenaar# When no Vim version was found fall back to "vim", you'll get an error message 55*1315349fSBram Moolenaar# below. 56*1315349fSBram Moolenaarif test -z "$VIM"; then 57*1315349fSBram Moolenaar VIM=vim 58071d4279SBram Moolenaarfi 59071d4279SBram Moolenaar 60071d4279SBram Moolenaar# Use Vim to copy the tutor, it knows the value of $VIMRUNTIME 61071d4279SBram Moolenaar# The script tutor.vim tells Vim which file to copy 62071d4279SBram Moolenaar$VIM -u NONE -c 'so $VIMRUNTIME/tutor/tutor.vim' 63071d4279SBram Moolenaar 64071d4279SBram Moolenaar# Start vim without any .vimrc, set 'nocompatible' 65071d4279SBram Moolenaar$VIM -u NONE -c "set nocp" $TUTORCOPY 66