mirror of https://github.com/CrimsonTome/tldr.git
tac: refresh page (#8057)
* 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` referencehtop
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# tac
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# tac
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> Print and concatenate files in reverse (last line first).
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> Display and concatenate files with lines in reversed order.
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> See also: `cat`.
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> More information: <https://www.gnu.org/software/coreutils/tac>.
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> More information: <https://www.gnu.org/software/coreutils/tac>.
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- Print the contents of *file1* reversed to the standard output:
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- Concatenate specific files in reversed order:
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`tac {{file1}}`
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`tac {{path/to/file1 path/to/file2 ...}}`
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- Print the contents of the standard input reversed to the standard output:
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- Display `stdin` in reversed order:
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`{{command}} | tac`
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`{{cat path/to/file}} | tac`
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- Concatenate several files reversed into the target file:
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- Use a specific [s]eparator:
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`tac {{file1}} {{file2}} > {{target_file}}`
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`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.
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> See also: `cat`.
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> More information: <https://www.gnu.org/software/coreutils/tac>.
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- 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 ...}}`
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