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Use FFMPEG to cut and concatenate MP4 files. TIL note about ffmpeg. Use when working with ffmpeg and the user mentions cut cat mp4 or related topics.
Codex 또는 Claude로 설치 이 Prompt를 복사해 Codex, Claude 또는 다른 어시스턴트에 붙여 넣으면 Skill 페이지를 검토하고 설치를 진행할 수 있습니다.
SOC 직업 분류 기준
Back up a data directory to a remote host automatically whenever it changes, using inotify + rsync as a systemd user service. TIL note about linux. Use when working with linux and the user mentions event-driven backup, inotify rsync, watch-and-sync, or scheduled/continuous backups.
Show CPU temperature in the tmux status bar via the Dracula theme, with dynamic color based on the value, on Linux (desktops, servers, SBCs). Update-safe — uses /sys/class/thermal/ sysfs and does not patch the dracula plugin. Use when working with tmux on any Linux box and the user mentions adding a CPU temp segment to the tmux status line.
Show CPU temperature in the tmux status bar via the Dracula theme, with dynamic color based on the value (cold/normal/warm/hot), in an update-safe way. macOS (Apple Silicon) version using smctemp. Use when working with tmux, dracula/tmux, or the user mentions adding a CPU temp segment to the tmux status line on a Mac.
Install the Pi coding agent. TIL note about ai. Use when working with ai and the user mentions pi coding agent or related topics.
Resize video file using ffmpeg. TIL note about ffmpeg. Use when working with ffmpeg and the user mentions resize video or related topics.
Configure Ghostty to pass opt as alt. TIL note about ghostty. Use when working with ghostty and the user mentions config alt or related topics.
| name | ffmpeg-cut-cat-mp4 |
| description | Use FFMPEG to cut and concatenate MP4 files. TIL note about ffmpeg. Use when working with ffmpeg and the user mentions cut cat mp4 or related topics. |
Cut out a portion of a video (starting at 40m 14s, 2m duration) and save it in another file:
ffmpeg -i input_video.mp4 -ss 00:10:14 -t 00:02:00 output_video.mp4
Concatenate several input MP4 files into one (from SO):
$ cat mylist.txt
file '/path/to/file1'
file '/path/to/file2'
file '/path/to/file3'
$ ffmpeg -f concat -safe 0 -i mylist.txt -c copy output.mp4