#!/bin/sh

# unln makes a copy of a file and then unlinks the file and replaces it
# with the copy.  this is primarily useful with symlinks... and in
# combination with the lndir command.

r=0
for i in $*; do
	j=`mktemp -q -- "${i}.unln.XXXXXX"`
	if [ $? -ne 0 ]; then
		echo "$0: unable to mktemp ${i}.unln.XXXXXX, skipping" 1>&2
		r=1
	else
		cp -p -- "$i" "$j" && rm -- "$i" && mv -- "$j" "$i"
	fi
done

exit $r