[thirdparty/bash.git] / examples / misc / aliasconv.sh

#! /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
Commit	Line	Data
ccc6cda3 JA	1	#! /bin/bash
ccc6cda3 JA	2	#
b72432fd	3	# aliasconv.sh - convert csh aliases to bash aliases and functions
ccc6cda3	4	#
b72432fd	5	# usage: aliasconv.sh
ccc6cda3 JA	6	#
	7	# Chet Ramey
	8	# chet@po.cwru.edu
	9	#
0001803f CR	10	trap 'rm -f $TMPFILE' 0 1 2 3 6 15
0001803f CR	11	TMPFILE=$(mktemp -t cb.XXXXXX) \|\| exit 1
ccc6cda3 JA	12	T=' '
ccc6cda3 JA	13
0001803f	14	cat << \EOF >$TMPFILE
ccc6cda3 JA	15	mkalias ()
ccc6cda3 JA	16	{
b80f6443 JA	17	case $2 in
	18	'') echo alias ${1}="''" ;;
	19	[#\!])
ccc6cda3 JA	20	comm=`echo $2 \| sed 's/\\!\*/"$\@"/g
	21	s/\\!:\([1-9]\)/"$\1"/g
	22	s/#/\#/g'`
	23	echo $1 \(\) "{" command "$comm" "; }"
b80f6443 JA	24	;;
	25	*) echo alias ${1}=\'`echo "${2}" \| sed "s:':'\\\\\\\\'':"`\' ;;
	26	esac
ccc6cda3 JA	27	}
	28	EOF
	29
b72432fd JA	30	# the first thing we want to do is to protect single quotes in the alias,
	31	# since they whole thing is going to be surrounded by single quotes when
	32	# passed to mkalias
	33
0001803f	34	sed -e "s:':\\'\\\'\\':" -e "s/^\([a-zA-Z0-9_-]\)$T\(.\)$/mkalias \1 '\2'/" >>$TMPFILE
ccc6cda3	35
0001803f	36	sh $TMPFILE \| sed -e 's/\$cwd/\$PWD/g' \
ccc6cda3 JA	37	-e 's/\$term/\$TERM/g' \
	38	-e 's/\$home/\$HOME/g' \
	39	-e 's/\$user/\$USER/g' \
	40	-e 's/\$prompt/\$PS1/g'
	41
	42	exit 0