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Merged
merged 4 commits into from
Aug 26, 2025
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less-than-more-than: add page #17774

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c4d5dc0
Create read-write.md
Managor Aug 22, 2025
75ceb98
Merge branch 'main' into read-write
Managor Aug 22, 2025
252d701
Rename read-write.md to less-than-more-than.md
Managor Aug 22, 2025
13e7cd3
Update less-than-more-than.md
Managor Aug 22, 2025
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16 changes: 16 additions & 0 deletions pages/common/less-than-more-than.md
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# <>

> Open a file descriptor for read and write.
> More information: <https://www.gnu.org/software/bash/manual/bash.html#Opening-File-Descriptors-for-Reading-and-Writing>.

- Open a file in a file descriptor for read an write:

`exec {{3}}<>{{path/to/file}}`

- Open a file descriptor to a remote connection:

`exec {{3}}<>/dev/{{tcp}}/{{remote_host}}/{{port_number}}`

- Close a file descriptor:

`exec {{3}}<>-`