(ba)sh function to generate a patch between $dir and $dir.orig subdirectories found in current directory

.bashrc

# (ba)sh function to generate a patch between $dir and $dir.orig subdirectories found in current directory
2diff() {
  orig=`find . -maxdepth 1 -type d -and \( -name '*.org' -or -name '*.orig' \) -printf '%P'`
  base=`echo $orig | sed 's/\.\(org\|orig\)$//'`
  LANG=C diff -urN $orig $base
}