bash:tac
Differences
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| bash:tac [2017/02/07 01:18] – peter | bash:tac [2021/01/26 16:09] (current) – removed peter | ||
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| - | ====== Bash - tac ====== | ||
| - | |||
| - | tac - concatenate or print in reverse (last line first) | ||
| - | |||
| - | <code bash> | ||
| - | tac > f1 | ||
| - | </ | ||
| - | |||
| - | 1 | ||
| - | 2 | ||
| - | Press CTRL+D to stop | ||
| - | |||
| - | |||
| - | <code bash> | ||
| - | tac f1 | ||
| - | < | ||
| - | |||
| - | 1 | ||
| - | 2 | ||
| - | |||
| - | <code bash> | ||
| - | tac vid.avi > vid2.avi ; mv vid2.avi vid.avi | ||
| - | </ | ||
| - | |||
| - | It wont play. | ||
| - | |||
| - | <code bash> | ||
| - | tac vid.avi > vid2.avi ; mv vid2.avi vid.avi | ||
| - | </ | ||
| - | |||
| - | Back to playable. | ||
| - | |||
| - | NOTE: This is like a mini encryption for binary files. | ||
bash/tac.1486430291.txt.gz · Last modified: 2020/07/15 09:30 (external edit)