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Re: Good placement of bash export functions


From: Greg Wooledge
Subject: Re: Good placement of bash export functions
Date: Tue, 11 Oct 2022 16:52:46 -0400

On Tue, Oct 11, 2022 at 05:51:57PM +0000, uzibalqa wrote:
> I have a number of bash script files that perform a specific tasks. After 
> defining the appropriate set of functions, I included an additional utility 
> function that allows one to export the function names.

Why are you exporting the functions at all?  Do you run a complicated
find command, with -exec bash -c '....' which uses one of the functions?

You call these "script files".  A script is normally a command implemented
in bash.  It's got a shebang (#!/bin/bash or equivalent), and it lives in
a directory in your $PATH, and you run it as a command, by typing its
name in a shell.

When it runs, it does so as a separate child process.  Therefore,
exporting a function has no effect on the calling shell.

> What would be easier to use, an export function in every file, or having a 
> separate file containing all the necessary export functions for the entire 
> package?

... "package"?

What are you trying to do here?

How do you actually run these "script files"?

What's the intent behind exporting the functions?



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