Unexpand the "svn:id" SVN property ($Id$)

svn-unexpand_id.sh

#!/bin/bash

# Unexpand the "svn:id" SVN property ($Id$)
#
# Anywhere the expanded "$Id$" string (eg. "$Id: Foobar.php 42 1970-01-01 00:00:00Z jdoe$")
# is found, it is replaced by "$Id".
# Usefull to quickly compare code file-by-file

DIR="$1"

grep \
    --recursive \
    --files-with-matches \
    --binary-files=without-match \
    '$Id:' "$DIR" \
| xargs \
    sed \
        --regexp-extended \
        --in-place \
        's/\$Id: .*\$/\$Id\$/'

Found this script in a 5 years old file of mine and figured I would share it.