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Re: Looping Shell Scripts and System Load

Greg Wooledge <wooledg@eeg.ccf.org> writes:

> On Wed, Jun 24, 2020 at 08:23:18PM +0200, Roger Price wrote:
>> On Wed, 24 Jun 2020, Greg Wooledge wrote:
>> > > MEDIADIR=`pwd`
>> > 
>> > Don't use all caps variable names.
>> Without getting into syntax-religious wars, what is the reasoning behind
>> this recommendation?  Roger
> All-caps names are reserved for environment variables (HOME, PATH),
> and internal shell variables (IFS, PWD, HISTFILE).
Is it described somewhere in docs?
> Avoiding all-caps names allows you to avoid collisions with a variable
> name that might be used for something else.  Most of the time.  This
Well, I think that reasonable prefix ("KJ_" :) ) prevent this :)



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