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IO Redirection #26

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nixpulvis opened this issue Oct 16, 2018 · 3 comments
Open
7 tasks

IO Redirection #26

nixpulvis opened this issue Oct 16, 2018 · 3 comments
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L1: enhancement New feature or request M: process Module: Process exec/fork and IO T: io Topic: Input and output related issues T: semantics Topic: Program evaluation issues or features
Milestone
POSIX

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@nixpulvis
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nixpulvis commented Oct 16, 2018 •
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Support the standard POSIX redirection syntax

Input

  • [n]< - 2.7.1 Redirecting Input

Output

  • [n]>, [n]>| - 2.7.2 Redirecting Output
  • [n]>> - 2.7.3 Appending Redirected Output
  • [n]<<word, [n]<<word- - 2.7.4 Here-Document
  • [n]<& - 2.7.5 Duplicating an Input File Descriptor
  • [n]>& - 2.7.6 Duplicating an Output File Descriptor

Input / Output

  • [n]<> - 2.7.7 Open File Descriptors for Reading and Writing
@nixpulvis nixpulvis added L1: enhancement New feature or request T: grammar Topic: Formal or informal grammar, realtes to lexing / parsing T: semantics Topic: Program evaluation issues or features T: io Topic: Input and output related issues labels Oct 16, 2018
@nixpulvis nixpulvis added this to the POSIX milestone Oct 16, 2018
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nixpulvis commented Oct 16, 2018 •
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Waiting on #22, and #4.

@nixpulvis nixpulvis mentioned this issue Oct 16, 2018
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@nixpulvis
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Possibly needed pipe, pipe2 or something like dup(2).

@nixpulvis nixpulvis added M: process Module: Process exec/fork and IO and removed T: grammar Topic: Formal or informal grammar, realtes to lexing / parsing labels Aug 13, 2021
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Current implementation doesn't cleanup properly, so a command like echo 1 > foo.txt will leave further commands writing to foo.txt.

@nixpulvis nixpulvis mentioned this issue Feb 16, 2022
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L1: enhancement New feature or request M: process Module: Process exec/fork and IO T: io Topic: Input and output related issues T: semantics Topic: Program evaluation issues or features
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