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.\" ========================================================================
.\"
.IX Title "File::Compare 3"
.TH File::Compare 3 "2012-09-11" "perl v5.12.5" "Perl Programmers Reference Guide"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
File::Compare \- Compare files or filehandles
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&        use File::Compare;
\&
\&        if (compare("file1","file2") == 0) {
\&            print "They\*(Aqre equal\en";
\&        }
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
The File::Compare::compare function compares the contents of two
sources, each of which can be a file or a file handle.  It is exported
from File::Compare by default.
.PP
File::Compare::cmp is a synonym for File::Compare::compare.  It is
exported from File::Compare only by request.
.PP
File::Compare::compare_text does a line by line comparison of the two
files. It stops as soon as a difference is detected. \fIcompare_text()\fR
accepts an optional third argument: This must be a \s-1CODE\s0 reference to
a line comparison function, which returns 0 when both lines are considered
equal. For example:
.PP
.Vb 1
\&    compare_text($file1, $file2)
.Ve
.PP
is basically equivalent to
.PP
.Vb 1
\&    compare_text($file1, $file2, sub {$_[0] ne $_[1]} )
.Ve
.SH "RETURN"
.IX Header "RETURN"
File::Compare::compare and its sibling functions return 0 if the files
are equal, 1 if the files are unequal, or \-1 if an error was encountered.
.SH "AUTHOR"
.IX Header "AUTHOR"
File::Compare was written by Nick Ing-Simmons.
Its original documentation was written by Chip Salzenberg.


.\" Oracle has added the ARC stability level to this manual page
.SH ATTRIBUTES
See
.BR attributes (5)
for descriptions of the following attributes:
.sp
.TS
box;
cbp-1 | cbp-1
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE 
=
Availability	runtime/perl-512
=
Stability	Uncommitted
.TE 
.PP

.SH NOTES

.\" Oracle has added source availability information to this manual page
This software was built from source available at https://java.net/projects/solaris-userland.  The original community source was downloaded from  http://www.cpan.org/src/5.0/perl-5.12.5.tar.bz2

Further information about this software can be found on the open source community website at http://www.perl.org/.