[prog] Returning a string from a function, in bash

[Riccarda Cassini]

Almut Behrens wrote:
> 
> You can always empirically find out what a certain program is doing
> (systemcall-wise) using 'strace'. If you run your script like this
> 
> strace -f -o trace.out ./script.sh

Very neat. Looks like a tool I'm going to be using on a regular basis
in the future :-)  Seems very handy for finding out which particular
config file, library or whatever is read, when there's more than one
around...

Thanks Almut,

Riccarda



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