spaces2tabs.sh

#!/bin/bash

SEARCH_FOLDER="."

for f in $(find $SEARCH_FOLDER -name '*.c' -or -name '*.h' -or -name '*.cpp' -or -name '*.hpp' -or -name 'Makefile');
do
    echo $f;
    unexpand -t 4 "$f" > "$f.out"
    mv "$f.out" "$f"
done