Hi http://tldp.org/LDP/abs/html/parameter-substitution.html В Пн, 12/09/2016 в 12:22 -0700, Mike Wright пишет: > Hi all, > > This one's not in my unix nutshell book :/ > > Extracting the sound from some music videos (mp4's) into mp3's: > > for f in "$(ls *.mp4)"; do > ffmpeg -i "$f" -c:a libmp3lame "${f%.mp4}.mp3"; > done > > I'm not familiar with this notation: ${f%.mp4}, where $f is the name > of > an mp4, e.g. "my favorite video.mp4". Can somebody explain this to > me? > > TIA, > Mike Wright > -- > users mailing list > users@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe or change subscription options: > https://lists.fedoraproject.org/admin/lists/users@lists.fedoraproject > .org > Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct > Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines > Have a question? Ask away: http://ask.fedoraproject.org -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://lists.fedoraproject.org/admin/lists/users@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
