POSIX-Compliant Way to Scope Variables to a Function in a Shell Script

POSIX-Compliant Way to Scope Variables to a Function in a Shell Script

function shell variables scope posix

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Differences between declare, typeset and local variable in Bash

bash shell variables scope declare

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Declaring global variable inside a function

bash shell scope

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Bash signal capture not detecting variables changed after declaration of 'trap' block

bash shell scope bash-trap

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Bash shell variables lost when script sourced from within a function

bash function shell scope

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Inheriting aliases inside UNIX /usr/bin/script

unix shell environment-variables scope

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In POSIX sh, how to preserve variables set in a 'while read' loop when the input is continuous (event watcher)?

shell scope event-handling posix subshell

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Parent and Child Shell Script Problem

shell variables scope

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