On Saturday, April 27, 2002, at 03:20 , Shaun wrote:
>> $ perl /usr/lib/cgi-bin/agbot/agbot.cgi
>
>> and it works just fine.. Huh? I don't get it..
> That's because the shebang line is ignored when you prefix the script with
> the perl command.
you are correct - but I prefer to assert it the other way around,
when the perl interpretor is invoked with a file - it reads and
executes the perl way - hence #<foo> is parsed as comment and is
irrelevant.
when a 'script' is invoked - hence it is executable - it is passed
to the interpreter listed in the 'sheBang' - coming as we all know
from 'sharp bang' for the 'pound bang' - "#!" that precedes the
interpretor on line one - on some systems one could invoke 'the
default interpretor' - which was 'configurable' by putting
":"
on line one.
which 'auto runs' the file as
<interpretor> <file_invoking_interpretor>
the fun of course is to Zone Out and do:
sh foo.pl
and watch /bin/sh freak at the perl code
or
perl foo.sh
and watch the perl compiler errors...
ciao
drieux
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