#!/bin/sh

# Pushes the current directory into a 'memory slot' indexed by a tag
# See also 'pop'

mylist="/home/noel/bin/popdirlist.txt"

if [ -z "$1" ]; then
    echo "  Syntax: push n (where n is a tag)"
    exit 1
fi

if [ -f $mylist ]; then
    grep -v "^$1" $mylist > $mylist.tmp
fi

echo "$1 `pwd`" >> $mylist.tmp
sort $mylist.tmp > $mylist
rm $mylist.tmp