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#! /bin/bash
#
# aliasconv.bash - convert csh aliases to bash aliases and functions
#
# usage: aliasconv.bash
#
# Chet Ramey
# chet@po.cwru.edu
#
trap 'rm -f /tmp/cb$$.?' 0 1 2 3 6 15
T=$'\t'
cat << \EOF >/tmp/cb$$.1
mkalias ()
{
if [ "x$2" = "x" ]; then
echo alias ${1}="''"
elif echo "$2" | egrep -s '(\!|#)' >/dev/null 2>&1; then
comm=$(echo $2 | sed 's/\!\*/"$\@"/g
s/\!:\([1-9]\)/"$\1"/g
s/#/\#/g')
echo $1 \(\) "{" command "$comm" "; }"
else
echo alias ${1}=\'$(echo "${2}" | sed "s:':'\\\\'':")\'
fi
}
EOF
# the first thing we want to do is to protect single quotes in the alias,
# since they whole thing is going to be surrounded by single quotes when
# passed to mkalias
sed -e "s:':\\'\\\'\\':" -e "s/^\([a-zA-Z0-9_-]*\)$T\(.*\)$/mkalias \1 '\2'/" >>/tmp/cb$$.1
$BASH /tmp/cb$$.1 | sed -e 's/\$cwd/\$PWD/g' \
-e 's/\$term/\$TERM/g' \
-e 's/\$home/\$HOME/g' \
-e 's/\$user/\$USER/g' \
-e 's/\$prompt/\$PS1/g'
exit 0
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