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.TH DIRCMP 1 "Feb 1, 1995"
.SH NAME
dircmp \- directory comparison
.SH SYNOPSIS
.LP
.nf
\fBdircmp\fR [\fB-ds\fR] [\fB-w\fR \fIn\fR] \fIdir1\fR \fIdir2\fR
.fi

.SH DESCRIPTION
.sp
.LP
The \fBdircmp\fR command examines \fIdir1\fR and \fIdir2\fR and generates
various tabulated information about the contents of the directories. Listings
of files that are unique to each directory are generated for all the options.
If no option is entered, a list is output indicating whether the file names
common to both directories have the same contents.
.SH OPTIONS
.sp
.LP
The following options are supported:
.sp
.ne 2
.na
\fB\fB-d\fR\fR
.ad
.RS 8n
Compares the contents of files with the same name in both directories and
output a list telling what must be changed in the two files to bring them into
agreement. The list format is described in \fBdiff\fR(1).
.RE

.sp
.ne 2
.na
\fB\fB-s\fR\fR
.ad
.RS 8n
Suppresses messages about identical files.
.RE

.sp
.ne 2
.na
\fB\fB-w\fR \fIn\fR\fR
.ad
.RS 8n
Changes the width of the output line to \fIn\fR characters. The default width
is  \fB72\fR.
.RE

.SH OPERANDS
.sp
.LP
The following operands are supported:
.sp
.ne 2
.na
\fB\fIdir1\fR\fR
.ad
.br
.na
\fB\fIdir2\fR\fR
.ad
.RS 8n
A path name of a directory to be compared.
.RE

.SH USAGE
.sp
.LP
See \fBlargefile\fR(5) for the description of the behavior of \fBdircmp\fR when
encountering files greater than or equal to 2 Gbyte ( 2^31 bytes).
.SH ENVIRONMENT VARIABLES
.sp
.LP
See \fBenviron\fR(5) for descriptions of the following environment variables
that affect the execution of \fBdircmp\fR: \fBLC_COLLATE\fR, \fBLC_CTYPE\fR,
\fBLC_MESSAGES\fR, and \fBNLSPATH\fR.
.SH EXIT STATUS
.sp
.LP
The following exit values are returned:
.sp
.ne 2
.na
\fB\fB0\fR\fR
.ad
.RS 6n
Successful completion.
.RE

.sp
.ne 2
.na
\fB\fB>0\fR\fR
.ad
.RS 6n
An error occurred. (Differences in directory contents are not considered
errors.)
.RE

.SH SEE ALSO
.sp
.LP
\fBcmp\fR(1), \fBdiff\fR(1), \fBattributes\fR(5), \fBenviron\fR(5),
\fBlargefile\fR(5)