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Hello, there!

I am running an executable awk script with 'source.awk input_file' and found that when I need to print FILENAME, or ENVIRON["AWKPATH"] or even FNR nothing happens [except for an...

No, RudiC: no error messages, and the script does execute well for other instructions.
It is only when attempting to print those variables that I notice something is amiss.
The source.awk has the...

Yes, Scrutinizer, I am aware that the .awk extension is optional; but it should not prevent awk from printing those variables, I think...
As for the shebang, I am using '#!/usr/local/bin/awk -f'...

Hello, there!

I am running an executable awk script with 'source.awk input_file' and found that when I need to print FILENAME, or ENVIRON["AWKPATH"] or even FNR nothing happens [except for an...

That's exactly what I was looking for.
Thanks a bunch!

Hello, there!
I am trying to pass an awk variable into a shell command ['date'] in order to collect the result into an awk variable; in Bash it does work, as in:

v='2'; date -d "now + $v weeks"
...