On Tue, Dec 27, 2016 at 11:33:21AM +0000, ng0 wrote: Hi, I have some scripts and small applications I'm slowly moving over to guile. One of them features this[0] line at the end which passes results on to xargs rm. I picked a start with just (system*) everything I had before to learn about the behavior and outcome, and improve from this point. I know that "|" will not work, so what else could possibly work (for starters, in the long run I'll generalize and extend what I currently have) to execute this command which deletes every file listed in the previous search? [0]: notmuch search --output=files tag:deleted | xargs -L 1 rm I think you want something like: .... | xargs -I {} rm {} J' -- Avoid eavesdropping. Send strong encrypted email. PGP Public key ID: 1024D/2DE827B3 fingerprint = 8797 A26D 0854 2EAB 0285 A290 8A67 719C 2DE8 27B3 See http://sks-keyservers.net or any PGP keyserver for public key.