Profile of FindBin.pm

Filename	/usr/share/perl/5.10/FindBin.pm
Statements	Executed 41 statements in 1.20ms

Subroutines
Calls	P	F	Exclusive Time	Inclusive Time	Subroutine
1	1	1	90µs	260µs	FindBin::::initFindBin::init
1	1	1	36µs	132µs	FindBin::::BEGIN@95FindBin::BEGIN@95
1	1	1	24µs	128µs	FindBin::::BEGIN@99FindBin::BEGIN@99
2	2	1	19µs	19µs	FindBin::::CORE:ftfileFindBin::CORE:ftfile (opcode)
1	1	1	17µs	68µs	FindBin::::BEGIN@98FindBin::BEGIN@98
1	1	1	14µs	14µs	FindBin::::BEGIN@100FindBin::BEGIN@100
1	1	1	13µs	13µs	FindBin::::CORE:readlinkFindBin::CORE:readlink (opcode)
1	1	1	9µs	269µs	FindBin::::BEGIN@205FindBin::BEGIN@205
1	1	1	4µs	4µs	FindBin::::CORE:matchFindBin::CORE:match (opcode)
0	0	0	0s	0s	FindBin::::cwd2FindBin::cwd2

Call graph for these subroutines as a Graphviz dot language file.

Line	State ments	Time on line	Calls	Time in subs	Code
1					# FindBin.pm
2					#
3					# Copyright (c) 1995 Graham Barr & Nick Ing-Simmons. All rights reserved.
4					# This program is free software; you can redistribute it and/or modify it
5					# under the same terms as Perl itself.
6
7					=head1 NAME
8
- -
94					package FindBin;
95	3	97µs	2	228µs	# spent 132µs (36+96) within FindBin::BEGIN@95 which was called: # once (36µs+96µs) by C4::Auth_with_cas::BEGIN@28 at line 95 use Carp; # spent 132µs making 1 call to FindBin::BEGIN@95 # spent 96µs making 1 call to Exporter::import
96	1	18µs			require 5.000;
97	1	1µs			require Exporter;
98	3	51µs	2	120µs	# spent 68µs (17+52) within FindBin::BEGIN@98 which was called: # once (17µs+52µs) by C4::Auth_with_cas::BEGIN@28 at line 98 use Cwd qw(getcwd cwd abs_path); # spent 68µs making 1 call to FindBin::BEGIN@98 # spent 52µs making 1 call to Exporter::import
99	3	54µs	2	233µs	# spent 128µs (24+105) within FindBin::BEGIN@99 which was called: # once (24µs+105µs) by C4::Auth_with_cas::BEGIN@28 at line 99 use File::Basename; # spent 128µs making 1 call to FindBin::BEGIN@99 # spent 104µs making 1 call to Exporter::import
100	3	755µs	1	14µs	# spent 14µs within FindBin::BEGIN@100 which was called: # once (14µs+0s) by C4::Auth_with_cas::BEGIN@28 at line 100 use File::Spec; # spent 14µs making 1 call to FindBin::BEGIN@100
101
102	1	2µs			@EXPORT_OK = qw($Bin $Script $RealBin $RealScript $Dir $RealDir);
103	1	4µs			%EXPORT_TAGS = (ALL => [qw($Bin $Script $RealBin $RealScript $Dir $RealDir)]);
104	1	10µs			@ISA = qw(Exporter);
105
106	1	400ns			$VERSION = "1.50";
107
108
109					# needed for VMS-specific filename translation
110	1	1µs			if( $^O eq 'VMS' ) {
111					require VMS::Filespec;
112					VMS::Filespec->import;
113					}
114
115					sub cwd2 {
116					my $cwd = getcwd();
117					# getcwd might fail if it hasn't access to the current directory.
118					# try harder.
119					defined $cwd or $cwd = cwd();
120					$cwd;
121					}
122
123					sub init
124					# spent 260µs (90+170) within FindBin::init which was called: # once (90µs+170µs) by FindBin::BEGIN@205 at line 205 {
125	3	6µs			*Dir = \$Bin;
126					*RealDir = \$RealBin;
127
128	2	4µs			if($0 eq '-e' \|\| $0 eq '-')
129					{
130					# perl invoked with -e or script is on C<STDIN>
131					$Script = $RealScript = $0;
132					$Bin = $RealBin = cwd2();
133					$Bin = VMS::Filespec::unixify($Bin) if $^O eq 'VMS';
134					}
135					else
136					{
137					my $script = $0;
138
139	8	82µs			if ($^O eq 'VMS')
140					{
141					($Bin,$Script) = VMS::Filespec::rmsexpand($0) =~ /(.[\]>\/]+)(.)/s;
142					# C<use disk:[dev]/lib> isn't going to work, so unixify first
143					($Bin = VMS::Filespec::unixify($Bin)) =~ s/\/\z//;
144					($RealBin,$RealScript) = ($Bin,$Script);
145					}
146					else
147					{
148					my $dosish = ($^O eq 'MSWin32' or $^O eq 'os2');
149			2	17µs	unless(($script =~ m#/# \|\| ($dosish && $script =~ m#\\#)) # spent 14µs making 1 call to FindBin::CORE:ftfile # spent 4µs making 1 call to FindBin::CORE:match
150					&& -f $script)
151					{
152					my $dir;
153					foreach $dir (File::Spec->path)
154					{
155					my $scr = File::Spec->catfile($dir, $script);
156
157					# $script can been found via PATH but perl could have
158					# been invoked as 'perl file'. Do a dumb check to see
159					# if $script is a perl program, if not then keep $script = $0
160					#
161					# well we actually only check that it is an ASCII file
162					# we know its executable so it is probably a script
163					# of some sort.
164					if(-f $scr && -r _ && ($dosish \|\| -x _) && -s _ && -T _)
165					{
166					$script = $scr;
167					last;
168					}
169					}
170					}
171
172			1	5µs	croak("Cannot find current script '$0'") unless(-f $script); # spent 5µs making 1 call to FindBin::CORE:ftfile
173
174					# Ensure $script contains the complete path in case we C<chdir>
175
176			1	25µs	$script = File::Spec->catfile(cwd2(), $script) # spent 25µs making 1 call to File::Spec::Unix::file_name_is_absolute
177					unless File::Spec->file_name_is_absolute($script);
178
179			1	55µs	($Script,$Bin) = fileparse($script); # spent 55µs making 1 call to File::Basename::fileparse
180
181					# Resolve $script if it is a link
182					while(1)
183					{
184	3	24µs	1	13µs	my $linktext = readlink($script); # spent 13µs making 1 call to FindBin::CORE:readlink
185
186			1	19µs	($RealScript,$RealBin) = fileparse($script); # spent 19µs making 1 call to File::Basename::fileparse
187					last unless defined $linktext;
188
189					$script = (File::Spec->file_name_is_absolute($linktext))
190					? $linktext
191					: File::Spec->catfile($RealBin, $linktext);
192					}
193
194					# Get absolute paths to directories
195	3	37µs			if ($Bin) {
196					my $BinOld = $Bin;
197			1	30µs	$Bin = abs_path($Bin); # spent 30µs making 1 call to Cwd::abs_path
198					defined $Bin or $Bin = File::Spec->canonpath($BinOld);
199					}
200			1	7µs	$RealBin = abs_path($RealBin) if($RealBin); # spent 7µs making 1 call to Cwd::abs_path
201					}
202					}
203					}
204
205	1	45µs	2	528µs	# spent 269µs (9+260) within FindBin::BEGIN@205 which was called: # once (9µs+260µs) by C4::Auth_with_cas::BEGIN@28 at line 205 BEGIN { init } # spent 269µs making 1 call to FindBin::BEGIN@205 # spent 260µs making 1 call to FindBin::init
206
207	1	2µs			*again = \&init;
208
209	1	9µs			1; # Keep require happy

					# spent 19µs within FindBin::CORE:ftfile which was called 2 times, avg 9µs/call: # once (14µs+0s) by FindBin::init at line 149 # once (5µs+0s) by FindBin::init at line 172 sub FindBin::CORE:ftfile; # opcode
					# spent 4µs within FindBin::CORE:match which was called: # once (4µs+0s) by FindBin::init at line 149 sub FindBin::CORE:match; # opcode
					# spent 13µs within FindBin::CORE:readlink which was called: # once (13µs+0s) by FindBin::init at line 184 sub FindBin::CORE:readlink; # opcode