common/nl: update page; linux/nl: add page (#12163)

* common/nl: update page; linux/nl: add page

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Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>
Co-authored-by: Juri Dispan <juri.dispan@posteo.net>
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Vitor Henrique 2024-02-09 10:52:51 -03:00 committed by GitHub
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# nl
> A utility for numbering lines, either from a file, or from `stdin`.
> More information: <https://www.gnu.org/software/coreutils/nl>.
> Number lines from a file or from `stdin`.
> More information: <https://manned.org/nl.1p>.
- Number non-blank lines in a file:
`nl {{path/to/file}}`
- Read from `stdout`:
- Read from `stdin`:
`cat {{path/to/file}} | nl {{options}} -`
`{{command}} | nl -`
- Number only the lines with printable text:
- Number [a]ll [b]ody lines including blank lines or do [n]ot number body lines:
`nl -t {{path/to/file}}`
`nl -b {{a|n}} {{path/to/file}}`
- Number all lines including blank lines:
`nl -b a {{path/to/file}}`
- Number only the body lines that match a basic regular expression (BRE) pattern:
- Number only the [b]ody lines that match a basic regular expression (BRE) [p]attern:
`nl -b p'FooBar[0-9]' {{path/to/file}}`
- Use a specific [i]ncrement for line numbering:
`nl -i {{increment}} {{path/to/file}}`
- Specify the line numbering format to [r]ight or [l]eft justified, keeping leading [z]eros or [n]ot:
`nl -n {{rz|ln|rn}}`
- Specify the line numbering's [w]idth (6 by default):
`nl -w {{col_width}} {{path/to/file}}`
- Use a specific string to [s]eparate the line numbers from the lines (TAB by default):
`nl -s {{separator}} {{path/to/file}}`

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# nl
> Number lines from a file or from `stdin`.
> More information: <https://manned.org/nl.1p>.
- Number non-blank lines in a file:
`nl {{path/to/file}}`
- Read from `stdin`:
`{{command}} | nl -`
- Number [a]ll [b]ody lines including blank lines or do not [n]umber [b]ody lines:
`nl --body-numbering {{a|n}} {{path/to/file}}`
- Number only the [b]ody lines that match a basic regular expression (BRE) [p]attern:
`nl --body-numbering p'FooBar[0-9]' {{path/to/file}}`
- Use a specific [i]ncrement for line numbering:
`nl --line-increment {{increment}} {{path/to/file}}`
- Specify the line numbering format to [r]ight or [l]eft justified, keeping leading [z]eros or [n]ot:
`nl --number-format {{rz|ln|rn}}`
- Specify the line numbering's width (6 by default):
`nl --number-width {{col_width}} {{path/to/file}}`
- Use a specific string to separate the line numbers from the lines (TAB by default):
`nl --number-separator {{separator}} {{path/to/file}}`