Thank you for your answer. Comments follow.
> This will attempt to spawn a copy of notepad for every line in
> the file foobar in background and then returns the command's status.
> In other words gawk will not wait for the notepad command to
> complete before moving to the next line in foobar
Hi,
I have a gawk program that parses a file and spawns (as needed) an external
(non-gawk) program through the 'system(...)' built-in function. If the
external program remains active after gawk's termination, the file that was
used as the input to gawk remains locked and can not be modified.
Here
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