'\" te .\" Copyright (c) 1982-2007 AT&T Knowledge Ventures .\" To view license terms, see http://www.opensource.org/licenses/cpl1.0.txt .\" Portions Copyright (c) 2009, Sun Microsystems, Inc. All Rights Reserved. .TH REV 1 "Aug 11, 2009" .SH NAME rev \- reverse the characters or lines of one or more files .SH SYNOPSIS .LP .nf \fB/usr/bin/rev\fR [\fB-l\fR] [\fIfile\fR...] .fi .SS "ksh93" .LP .nf rev [-\fBl\fR] [\fIfile\fR...] .fi .SH DESCRIPTION .sp .LP \fBrev\fR copies one or more files to standard output, reversing the order of characters on every line of the file, or reversing the order of lines of the file if \fB-l\fR is specified .SH OPTIONS .sp .LP The following options are supported: .sp .ne 2 .na \fB\fB-l\fR\fR .ad .br .na \fB\fB--line\fR\fR .ad .RS 10n Reverse the order of the lines of the file, instead of characters. .RE .SH OPERANDS .sp .LP The following operands are supported: .sp .ne 2 .na \fB\fIfile\fR\fR .ad .RS 8n Specifies the name of the file to use as input. .sp If \fIfile\fR is not specified, or if \fIfile\fR is a \fB-\fR, \fBrev\fR copies from standard input starting at the current offset. .RE .SH EXIT STATUS .sp .LP The following exit values are returned: .sp .ne 2 .na \fB\fB0\fR\fR .ad .RS 6n All files copied successfully. .RE .sp .ne 2 .na \fB\fB>0\fR\fR .ad .RS 6n One or more files did not copy. .RE .SH ATTRIBUTES .sp .LP See \fBattributes\fR(5) for descriptions of the following attributes: .sp .sp .TS box; c | c l | l . ATTRIBUTE TYPE ATTRIBUTE VALUE _ CSI Enabled _ Interface Stability Committed .TE .SH SEE ALSO .sp .LP \fBcat\fR(1), \fBksh93\fR(1), \fBtail\fR(1), \fBattributes\fR(5)