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#!/bin/sh
# Script for using ViM as a PAGER.
# Based on Bram's less.sh.
# Version 1.1
file="$@"
if [ -z "$file" ]; then file="-"; fi
if uname -s | grep -iq cygwin; then
cygwin=1
elif uname -s | grep -iq Linux; then
linux=1
else
bsd=1
fi
less_vim() {
vim -R \
-c 'let no_plugin_maps = 1' \
-c 'set scrolloff=999' \
-c 'runtime! macros/less.vim' \
-c 'set foldlevel=999' \
-c 'set mouse=a' \
"$@"
}
do_ps() {
if [ $bsd ]; then
ps -u `id -u` -o pid,comm=
else
ps fuxw
fi
}
pproc() {
if [ $linux ]; then
ps -p $1 -o comm=
elif [ $cygwin ]; then
ps -p $1 | sed -e 's/^I/ /' | grep -v PID
else
ps -p $1 -o comm= | grep -v PID
fi
}
ppid() {
if [ $linux ]; then
ps -p $1 -o ppid=
elif [ $cygwin ]; then
ps -p $1 | sed -e 's/^I/ /' | grep -v PID | awk '{print $2}'
else
ps -p $1 -o ppid= | grep -v PID
fi
}
# Check if called from man, perldoc or pydoc
if do_ps | grep -q '\(py\(thon\|doc\)\|man\|perl\(doc\)\?\([0-9.]*\)\?\)\>'; then
proc=$$
while next_parent=`ppid $proc` && [ $next_parent != 1 ]; do
if pproc $next_parent | grep -q 'man\>'; then
cat $file | sed -e 's/\[[^m]*m//g; s/.//g' | less_vim -c 'set ft=man' -; exit
elif pproc $next_parent | grep -q 'py\(thon\|doc\)\>'; then
cat $file | sed -e 's/\[[^m]*m//g; s/.//g' | less_vim -c 'set ft=man' -; exit
elif pproc $next_parent | grep -q 'perl\(doc\)\?\([0-9.]*\)\?\>'; then
cat $file | sed -e 's/.//g' | less_vim -c 'set ft=man' -; exit
fi
proc=$next_parent
done
fi
cat $file | sed -e 's/\[[^m]*m//g; s/.//g' | less_vim -; exit
#less_vim "$file"
# CONTRIBUTORS:
#
# Rafael Kitover
# Antonio Ospite
# Jean-Marie Gaillourdet
# Perry Hargrave
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