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Process substitution

In computing, process substitution is a form of inter-process communication that allows the input or output of a command to be made available as a file path. The command is substituted in-line, where a file name would normally occur, by the command shell. This allows programs that normally only accept file paths to directly read from or write to another…

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History

KornShellBell LabsRcVersion 10 UnixZ Shell
7 related topics

Examples

UnixDiffNamed pipeFIFOTee
7 related topics

Limitations

SeekableMmap'apbleRandom accessRegular fileExit status
5 related topics

Mechanism

System callFile descriptor
2 related topics

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Overview

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Examples

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Mechanism

Limitations

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Map overview Semantic statistics

Process substitution

Nodes31
Edges30
Triples49
Avg. degree1.94
Density0.064516
Components1

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Process substitution

Top relations

related to Further reading · 16
Process substitution → Advanced Bash-Scripting Guide, Aug, Bash Process Substitution, Bash Reference Manual, Cooper, December, Frazier, Free Software Foundation, Linux Journal, May, Mendel, Mitch, Oct, Retrieved, The GNU Project, The Linux Documentation Project
related to history · 10
Process substitution → Bash, Bell Labs, Korn Shell, KornShell, Process, Shell, The, Unix, Version, Zsh
related to Advantages · 6
Process substitution → Parallelism, Performance, Reading, Simplicity, The, This
related to Limitations · 6
Process substitution → Additionally, Bash, Except, KornShell, Programs, Zsh
related to Mechanism · 5
Process substitution → On, The, To, Under, Unix-like
related to Examples · 4
Process substitution → KornShell, Process, The, The Unix
is a · 1
Process substitution → form of inter-process communication that allows the input or output of a command to be made available as a file path

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Important terminology

command file process substitution pipe temporary output shell dev syntax kornshell files anonymous input substituted normally fd using named read

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Process substitutionis aform of inter-process communication that allows the input or output of a command to be made available as a file path0.90text
Zsh'scmd1instance ofAll other aspects remain the same.The variants using temporary files0.80text
Process substitutionrelated to AdvantagesThe0.60section
Process substitutionrelated to AdvantagesSimplicity0.60section
Process substitutionrelated to AdvantagesPerformance0.60section
Process substitutionrelated to AdvantagesReading0.60section
Process substitutionrelated to AdvantagesThis0.60section
Process substitutionrelated to AdvantagesParallelism0.60section
Process substitutionrelated to ExamplesThe0.60section
Process substitutionrelated to ExamplesKornShell0.60section
Process substitutionrelated to ExamplesThe Unix0.60section
Process substitutionrelated to ExamplesProcess0.60section

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