Assuming there are no extraneous characters on each line following the filename, and assuming every line in the file has a filename: sed -i 's/$/.jpg/' <your file> -----Original Message----- From: Community support for Fedora users <users@xxxxxxxxxxxxxxxxxxxxxxx></users@xxxxxxxxxxxxxxxxxxxxxxx> Sent: Jul 28, 2023 8:32 AM To: Community support for Fedora users <users@xxxxxxxxxxxxxxxxxxxxxxx></users@xxxxxxxxxxxxxxxxxxxxxxx> Cc: olivares33561 <olivares33561@xxxxxxxxxxxxxx></olivares33561@xxxxxxxxxxxxxx> Subject: OT: sed or awk command to add a file extension Dear fellow Fedora users I have a file with entries \input{file1}\input{file2}...\input{fileN} How can I add extension\input{file1.eps}\input{file2.eps}.\input{file3.eps} In case I need to add *jpg or *.png extension. I believe awk or sed would do the job. Thanks in advance Best Regards, Antonio Sent from ProtonMail (), encrypted email based in Switzerland. Sent with Proton Mail (https://proton.me/ (https://protonmail.ch)) secure email. _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue