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Full Discussion: script recursion
Top Forums Shell Programming and Scripting script recursion Post 302496189 by superpointer on Saturday 12th of February 2011 05:28:30 PM
Old 02-12-2011
Question script recursion
Can someone please explain me why the following script calls it self recursively:

Code:
#!/bin/bash
echo Called
$0

while this not:

Code:
#!/bin/bash
echo Called
$($0)

Thanks
 

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LEARN ABOUT DEBIAN

pfunc

PFUNC(1p)						User Contributed Perl Documentation						 PFUNC(1p)

NAME

       pfunc - grep for perl functions

SYNOPSIS

	   pfunc subroutine FILES...

DESCRIPTION

       pfunc searches the named FILES for all calls to the given subroutine.  It will report back the file and line number each call is found on
       along with what sort of call it is

	   function	       foo()
	   class method        Class->foo()
	   object method       $obj->foo()

EXAMPLE

	   $ pfunc isa /usr/share/perl/5.6.1/*.pm
	   Called as function in /usr/share/perl/5.6.1/CGI.pm at line 316
	   Called as function in /usr/share/perl/5.6.1/CGI.pm at line 327
	   Called as function in /usr/share/perl/5.6.1/CGI.pm at line 397
	   Called as function in /usr/share/perl/5.6.1/CGI.pm at line 494
	   Called as function in /usr/share/perl/5.6.1/CGI.pm at line 495
	   Called as object method in /usr/share/perl/5.6.1/CPAN.pm at line 4957
	   Called as function in /usr/share/perl/5.6.1/Dumpvalue.pm at line 191
	   Called as function in /usr/share/perl/5.6.1/Dumpvalue.pm at line 218
	   Called as function in /usr/share/perl/5.6.1/Dumpvalue.pm at line 248
	   Called as function in /usr/share/perl/5.6.1/Dumpvalue.pm at line 251
	   Called as function in /usr/share/perl/5.6.1/Dumpvalue.pm at line 254
	   Called as object method in /usr/share/perl/5.6.1/Shell.pm at line 28
	   Called as object method in /usr/share/perl/5.6.1/base.pm at line 12

NOTES

       Its not fast, but its accurate.

AUTHOR

       Michael G Schwern <schwern@pobox.com>

SEE ALSO

       Module::Info

perl v5.10.1							    2010-10-03								 PFUNC(1p)
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