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|
#! /bin/bash
usage_error () {
cat << EOF
------------------------------------------------------------------
Name: bd
Version: 1.02
------------------------------------------------------------------
Description: Go back to a specified directory up in the hierarchy.
------------------------------------------------------------------
How to use:
Please refer https://github.com/vigneshwaranr/bd
EOF
}
newpwd() {
oldpwd=$1
case "$2" in
-s)
pattern=$3
NEWPWD=$(echo $oldpwd | sed 's|\(.*/'$pattern'[^/]*/\).*|\1|')
;;
-si)
pattern=$3
NEWPWD=$(echo $oldpwd | perl -pe 's|(.*/'$pattern'[^/]*/).*|$1|i')
;;
*)
pattern=$2
NEWPWD=$(echo $oldpwd | sed 's|\(.*/'$pattern'/\).*|\1|')
esac
}
if [ $# -eq 0 ]
then
usage_error
elif [ "${@: -1}" = -v ]
then
usage_error
else
oldpwd=$(pwd)
newpwd "$oldpwd" "$@"
if [ "$NEWPWD" = "$oldpwd" ]
then
echo "No such occurrence."
else
echo $NEWPWD
cd "$NEWPWD"
fi
unset NEWPWD
fi
|
