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32 lines
859 B
Plaintext
32 lines
859 B
Plaintext
---
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syntax: markdown
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tags: [tldr, linux]
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source: https://github.com/tldr-pages/tldr.git
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---
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# look
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> Display lines beginning with a prefix in a file.
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> Note: the lines in the file must be sorted.
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> See also: `grep`, `sort`.
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> More information: <https://manned.org/look>.
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- Search for lines beginning with a specific prefix in a specific file:
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`look {{prefix}} {{path/to/file}}`
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- Case-insensitively search only on blank and alphanumeric characters:
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`look {{[-f|--ignore-case]}} {{[-d|--alphanum]}} {{prefix}} {{path/to/file}}`
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- Specify a string termination character (space by default):
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`look {{[-t|--terminate]}} {{,}}`
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- Search in `/usr/share/dict/words` (`--ignore-case` and `--alphanum` are assumed):
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`look {{prefix}}`
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- Search in `/usr/share/dict/web2` (`--ignore-case` and `--alphanum` are assumed):
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`look {{[-a|--alternative]}} {{prefix}}`
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