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FindBin(3) Perl Programmers Reference Guide FindBin(3)
NAME
FindBin - Locate directory of original perl script
SYNOPSIS
use FindBin;
use lib "$FindBin::Bin/../lib";
or
use FindBin qw($Bin);
use lib "$Bin/../lib";
DESCRIPTION
Locates the full path to the script bin directory to allow
the use of paths relative to the bin directory.
This allows a user to setup a directory tree for some
software with directories <root>/bin and <root>/lib and
then the above example will allow the use of modules in
the lib directory without knowing where the software tree
is installed.
If perl is invoked using the -e option or the perl script
is read from "STDIN" then FindBin sets both "$Bin" and
"$RealBin" to the current directory.
EXPORTABLE VARIABLES
$Bin - path to bin directory from where script was invoked
$Script - basename of script from which perl was invoked
$RealBin - $Bin with all links resolved
$RealScript - $Script with all links resolved
KNOWN BUGS
if perl is invoked as
perl filename
and filename does not have executable rights and a program
called filename exists in the users "$ENV{PATH}" which
satisfies both -x and -T then FindBin assumes that it was
invoked via the "$ENV{PATH}".
Workaround is to invoke perl as
perl ./filename
AUTHORS
FindBin is supported as part of the core perl distribu
tion. Please send bug reports to <perlbug@perl.org> using
the perlbug program included with perl.
Graham Barr <gbarr@pobox.com> Nick Ing-Simmons
<nik@tiuk.ti.com>
COPYRIGHT
Copyright (c) 1995 Graham Barr & Nick Ing-Simmons. All
rights reserved. This program is free software; you can
redistribute it and/or modify it under the same terms as
Perl itself.
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