I think this is very good info .. I have tried on Windows and Unix as well . - I found like , this line does not matter on windows . Windows need .pl extension but Unix/Linux does not .
- Unix required this interpreter line when we are executing as , e.g ./test.pl or ./test. If the line is not given then inside script running on Unix , then need to execute it using perl interpreter externally . Thank you All . -Sunita -----Original Message----- From: alanhag...@gmail.com [mailto:alanhag...@gmail.com] On Behalf Of Alan Haggai Alavi Sent: Tuesday, January 04, 2011 11:16 AM To: Sunita Rani Pradhan Cc: beginners@perl.org Subject: Re: 1st line of perl script Hi Sunita, > Perl script works without the first line ( perl Interpreter > : #! /usr/bin/perl) . What is the real use of this line ? This line does > not through any error on Windows where , this path does not exist . It is a shebang line which is only useful in Unix-like operating systems. In such systems, the shebang line should start in the first column of the first line. When such a script with its executable bit set is run by itself, the operating systems checks for the shebang line to see which interpreter should be used for executing the script. However, in Windows (and other non-Unix-like operating systems), the shebang is usually considered a comment and skipped. Instead of the shebang line, such systems depend on file extension associations or explicit invocation of the script using the interpreter. For more details, see: http://en.wikipedia.org/wiki/Shebang_(Unix) Regards, Alan Haggai Alavi. -- The difference makes the difference -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/
