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When might it be necessary or advisable to write a shell script instead of a shell function?
Wiki User
∙ 14y ago
A shell function will do nothing unless it is explicitly called by other code, typically in a shell script. A shell script is a runnable, executable process, which can call other shell scripts and/or functions.
The question might be worded backwards - it is necessary to write shell functions for shell scripts when certain logical functionality is required to be performed multiple times. Consider a shell function equivalent to a program subroutine - they operate the same way.
Wiki User
∙ 14y ago
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