The timestamp on the source files is updated by sed, when it strips the whitespace. The stamp file is then updated with touch. The advantage of using Make is th

The timestamp on the source files is updated by sed, when it strips the whitespace. The stamp file is then updated with touch. The advantage of using Make is that only modified files will be fed to sed and, consequently, only they will be caught by the rsync command, that I use to push the code out to the server(s).