ubuntu:bash:tac
Differences
This shows you the differences between two versions of the page.
| ubuntu:bash:tac [2019/11/29 11:52] – created peter | ubuntu:bash:tac [2019/12/07 01:48] (current) – removed peter | ||
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| - | ====== Ubuntu - 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. | ||
ubuntu/bash/tac.1575028376.txt.gz · Last modified: 2020/07/15 09:30 (external edit)