illumos-port-bash/examples/misc/aliasconv.bash

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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 $TMPFILE' 0 1 2 3 6 15
TMPFILE=$(mktemp -t cb.XXXXXX) || exit 1
T=$'\t'
cat << \EOF >$TMPFILE
mkalias ()
{
case $2 in
'') echo alias ${1}="''" ;;
*[#\!]*)
comm=$(echo $2 | sed 's/\!\*/"$\@"/g
s/\!:\([1-9]\)/"$\1"/g
s/#/\#/g')
echo $1 \(\) "{" command "$comm" "; }"
;;
*) echo alias ${1}=\'$(echo "${2}" | sed "s:':'\\\\'':g")\' ;;
esac
}
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\(.*\)$/mkalias \1 '\2'/" >>$TMPFILE
$BASH $TMPFILE | 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