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-rw-r--r--examples/functions/ksh-cd54
1 files changed, 54 insertions, 0 deletions
diff --git a/examples/functions/ksh-cd b/examples/functions/ksh-cd
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+#
+# Chet Ramey <chet.ramey@case.edu>
+#
+# Copyright 2001 Chester Ramey
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# TThis program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+#
+# ksh-like `cd': cd [-LP] [dir [change]]
+#
+cd()
+{
+ OPTIND=1
+ while getopts "LP" opt
+ do
+ case $opt in
+ L|P) CDOPTS="$CDOPTS -$opt" ;;
+ *) echo "$FUNCNAME: usage: $FUNCNAME [-LP] [dir] [change]" >&2
+ return 2;;
+ esac
+ done
+
+ shift $(( $OPTIND - 1 ))
+
+ case $# in
+ 0) builtin cd $CDOPTS "$HOME" ;;
+ 1) builtin cd $CDOPTS "$@" ;;
+ 2) old="$1" new="$2"
+ case "$PWD" in
+ *$old*) ;;
+ *) echo "${0##*/}: $FUNCNAME: bad substitution" >&2 ; return 1 ;;
+ esac
+
+ dir=${PWD//$old/$new}
+
+ builtin cd $CDOPTS "$dir" && echo "$PWD"
+
+ ;;
+ *) echo "${0##*/}: $FUNCNAME: usage: $FUNCNAME [-LP] [dir] [change]" >&2
+ return 2 ;;
+ esac
+}