-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Tim wrote: > I think I can work out how to handle a batch of files to add > consistent text, now. But I haven't worked out how I could extract > "256" from a filename like "img_0256.jpg", yet. The filenames are > all the same length, so there's got to be some tool that'll let me > strip characters 7, 8 & 9 out of the name. Here are two ways that could be done. num=`expr "img_0256.jpg" : "img_0\([0-9]*\).jpg"` or num=`echo "img_0256.jpg" | cut -c6-8` Put into a for or while loop and season to taste. :) - -- Todd OpenPGP -> KeyID: 0xBEAF0CE3 | URL: www.pobox.com/~tmz/pgp ====================================================================== Nothing is so simple that it cannot be misunderstood. -- Teague's Paradox -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iQFDBAEBAgAtBQJFC4B2JhhodHRwOi8vd3d3LnBvYm94LmNvbS9+dG16L3BncC90 bXouYXNjAAoJEEMlk4u+rwzjAeYH/iZKaAFcHaNmm8Ta/gK3Fb8QApnfeT1PUI32 zQHryfBOeFAgSbtUYKN3i2vKH/EPaMZ90GrfNwb1uMZNLZiktxoNfAi23ikUGOiL kuZG7xNDOkf4CmgDR7mhtE45LrKpkBBHtdx7hUMyH9uhO1imNS9P0zKNBHR5v7j4 NvqlaG2GqQgy0i8zNTjF+23JnXxXyNwqP/gnttabnH8Ac9k3War8HApjL6xzKE7a QHzNONKxP6FVOOol1IhZystinX3SmNroXofUFDEPlxZDaDOt0J3uSDOA1cugLXlM bDUEH9sbLJaS4C6IW7Asp5YxRy9tAse8WGf779/4g7OvdbMeyTA= =SfVh -----END PGP SIGNATURE-----