Rename all *.sh files to *.pl: git mvs 's/\.sh$/.pl/' *.sh

git-mvs

#!/bin/bash

if [ $# -lt 1 ]; then
    echo usage: "$0 <perl> [<file1> ...]"
    exit 1
fi

sed="$1"
shift

try () {
    if ! "$@" ; then
        echo ERROR!!
        exit 1
    fi
}

for old ; do
    new="`echo -n $old | perl -pe "$sed"`"
    if [ "$old" = "$new" ]; then
        echo "Filename unchanged: $old"
    else
        echo "$old -> $new"
        mkdir -p "`dirname \"$new\"`"
        try git mv "$old" "$new"
    fi
done