/usr/share/doc/bash/examples/misc/aliasconv.sh is in bash-doc 4.4-5.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | #! /bin/bash
#
# aliasconv.sh - convert csh aliases to bash aliases and functions
#
# usage: aliasconv.sh
#
# Chet Ramey
# chet@po.cwru.edu
#
trap 'rm -f $TMPFILE' 0 1 2 3 6 15
TMPFILE=$(mktemp -t cb.XXXXXX) || exit 1
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:':'\\\\\\\\'':"`\' ;;
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
sh $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
|