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22 lines
510 B
Plaintext
22 lines
510 B
Plaintext
---
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syntax: markdown
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tags: [tldr, common]
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source: https://github.com/tldr-pages/tldr.git
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---
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# <>
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> Open a file descriptor for read and write.
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> More information: <https://www.gnu.org/software/bash/manual/bash.html#Opening-File-Descriptors-for-Reading-and-Writing>.
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- Open a file in a file descriptor for read and write:
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`exec {{3}}<>{{path/to/file}}`
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- Open a file descriptor to a remote connection:
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`exec {{3}}<>/dev/{{tcp}}/{{remote_host}}/{{port_number}}`
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- Close a file descriptor:
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`exec {{3}}<>-`
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