1 '\" te
   2 .\" Copyright (c) 1982-2007 AT&T Knowledge Ventures
   3 .\" To view license terms, see http://www.opensource.org/licenses/cpl1.0.txt
   4 .\" Portions Copyright (c) 2009, Sun Microsystems, Inc. All Rights Reserved.
   5 .TH REV 1 "Aug 11, 2009"
   6 .SH NAME
   7 rev \- reverse the characters or lines of one or more files
   8 .SH SYNOPSIS
   9 .LP
  10 .nf
  11 \fB/usr/bin/rev\fR [\fB-l\fR] [\fIfile\fR...]
  12 .fi
  13 
  14 .SS "ksh93"
  15 .LP
  16 .nf
  17 rev [-\fBl\fR] [\fIfile\fR...]
  18 .fi
  19 
  20 .SH DESCRIPTION
  21 .sp
  22 .LP
  23 \fBrev\fR copies one or more files to standard output, reversing the order of
  24 characters on every line of the file, or reversing the order of lines of the
  25 file if \fB-l\fR is specified
  26 .SH OPTIONS
  27 .sp
  28 .LP
  29 The following options are supported:
  30 .sp
  31 .ne 2
  32 .na
  33 \fB\fB-l\fR\fR
  34 .ad
  35 .br
  36 .na
  37 \fB\fB--line\fR\fR
  38 .ad
  39 .RS 10n
  40 Reverse the order of the lines of the file, instead of characters.
  41 .RE
  42 
  43 .SH OPERANDS
  44 .sp
  45 .LP
  46 The following operands are supported:
  47 .sp
  48 .ne 2
  49 .na
  50 \fB\fIfile\fR\fR
  51 .ad
  52 .RS 8n
  53 Specifies the name of the file to use as input.
  54 .sp
  55 If \fIfile\fR is not specified, or if \fIfile\fR is a \fB-\fR, \fBrev\fR copies
  56 from standard input starting at the current offset.
  57 .RE
  58 
  59 .SH EXIT STATUS
  60 .sp
  61 .LP
  62 The following exit values are returned:
  63 .sp
  64 .ne 2
  65 .na
  66 \fB\fB0\fR\fR
  67 .ad
  68 .RS 6n
  69 All files copied successfully.
  70 .RE
  71 
  72 .sp
  73 .ne 2
  74 .na
  75 \fB\fB>0\fR\fR
  76 .ad
  77 .RS 6n
  78 One or more files did not copy.
  79 .RE
  80 
  81 .SH ATTRIBUTES
  82 .sp
  83 .LP
  84 See \fBattributes\fR(5) for descriptions of the following attributes:
  85 .sp
  86 
  87 .sp
  88 .TS
  89 box;
  90 c | c
  91 l | l .
  92 ATTRIBUTE TYPE  ATTRIBUTE VALUE
  93 _
  94 CSI     Enabled
  95 _
  96 Interface Stability     Committed
  97 .TE
  98 
  99 .SH SEE ALSO
 100 .sp
 101 .LP
 102 \fBcat\fR(1), \fBksh93\fR(1), \fBtail\fR(1), \fBattributes\fR(5)

   1 .\" Copyright (c) 1982-2007 AT&T Knowledge Ventures
   2 .\" To view license terms, see http://www.opensource.org/licenses/cpl1.0.txt
   3 .\" Portions Copyright (c) 2009, Sun Microsystems, Inc. All Rights Reserved.
   4 .\" Copyright 2021 OmniOS Community Edition (OmniOSce) Association.
   5 .Dd Feb 9, 2021
   6 .Dt REV 1
   7 .Os
   8 .Sh NAME
   9 .Nm rev
  10 .Nd reverse the characters or lines of one or more files
  11 .Sh SYNOPSIS
  12 .Nm
  13 .Op Fl l
  14 .Oo Ar file Oc Ns ...
  15 .Sh DESCRIPTION
  16 .Sh OPTIONS
  17 .Nm
  18 copies one or more files to standard output, reversing the order of




  19 characters on every line of the file, or reversing the order of lines of the
  20 file if
  21 .Fl l
  22 is specified.

  23 The following options are supported:
  24 .Bl -tag -width Ar
  25 .It Fl l Ns \&, Fl \-line








  26 Reverse the order of the lines of the file, instead of characters.
  27 .El
  28 .Sh OPERANDS



  29 The following operands are supported:
  30 .Bl -tag -width Ar
  31 .It Ar file




  32 Specifies the name of the file to use as input.
  33 .Pp
  34 If
  35 .Ar file
  36 is not specified or is \(mi,
  37 .Nm
  38 copies from standard input starting at the current offset.
  39 .El
  40 .Sh EXIT STATUS
  41 The following exit values are returned:
  42 .Bl -tag -width Ds
  43 .It Sy 0




  44 All files copied successfully.
  45 .It Sy >0







  46 One or more files did not copy.
  47 .El
  48 .Sh INTERFACE STABILITY
  49 .Sy Committed .
  50 .Sh SEE ALSO
  51 .Xr cat 1 ,
  52 .Xr ksh93 1 ,
  53 .Xr tail 1 ,
  54 .Xr attributes 5