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* More general descriptions and better title * Don't use `print` word * More specific verb in first sample description: - `display` -> `concatenate` * Add `-b`/`-r`/`-s` examples * Duplicate `tac` to `linux/` * Highlight first option chars * Add `See also` reference
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Emily Grace Seville
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May 13, 2022
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# tac | ||
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> Print and concatenate files in reverse (last line first). | ||
> Display and concatenate files with lines in reversed order. | ||
> See also: `cat`. | ||
> More information: <https://www.gnu.org/software/coreutils/tac>. | ||
- Print the contents of *file1* reversed to the standard output: | ||
- Concatenate specific files in reversed order: | ||
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`tac {{file1}}` | ||
`tac {{path/to/file1 path/to/file2 ...}}` | ||
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- Print the contents of the standard input reversed to the standard output: | ||
- Display `stdin` in reversed order: | ||
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`{{command}} | tac` | ||
`{{cat path/to/file}} | tac` | ||
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- Concatenate several files reversed into the target file: | ||
- Use a specific [s]eparator: | ||
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`tac {{file1}} {{file2}} > {{target_file}}` | ||
`tac -s {{separator}} {{path/to/file1 path/to/file2 ...}}` | ||
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- Use a specific [r]egex as a [s]eparator: | ||
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`tac -r -s {{separator}} {{path/to/file1 path/to/file2 ...}}` | ||
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- Use a separator [b]efore each file: | ||
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`tac -b {{path/to/file1 path/to/file2 ...}}` |
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# tac | ||
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> Display and concatenate files with lines in reversed order. | ||
> See also: `cat`. | ||
> More information: <https://www.gnu.org/software/coreutils/tac>. | ||
- Concatenate specific files in reversed order: | ||
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`tac {{path/to/file1 path/to/file2 ...}}` | ||
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- Display `stdin` in reversed order: | ||
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`{{cat path/to/file}} | tac` | ||
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- Use a specific separator: | ||
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`tac --separator {{,}} {{path/to/file1 path/to/file2 ...}}` | ||
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- Use a specific regex as a separator: | ||
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`tac --regex --separator {{[,;]}} {{path/to/file1 path/to/file2 ...}}` | ||
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- Use a separator before each file: | ||
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`tac --before {{path/to/file1 path/to/file2 ...}}` |