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Re: What has happened to arg?

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2013年6月5日 Geoff Leyland <geoff_leyland@fastmail.fm>:
> arg doesn't seem to be available to the command-line.
> Page 8 of PiL(2nd ed I'm afraid) says "A *script* can retrieve its arguments...".
In that case there is a quick answer to the FAQ:
 Can a program tell whether it is being run from the command line
 or from a script?
if (arg==nil) print
 "Running from the command line, unless you are trying to fool me."

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