1 REV(1) User Commands REV(1) 2 3 NAME 4 rev - reverse the characters or lines of one or more files 5 6 SYNOPSIS 7 rev [-l] [file]... 8 9 DESCRIPTION 10 OPTIONS 11 rev copies one or more files to standard output, reversing the order of 12 characters on every line of the file, or reversing the order of lines of 13 the file if -l is specified. The following options are supported: 14 15 -l, --line Reverse the order of the lines of the file, instead of 16 characters. 17 18 OPERANDS 19 The following operands are supported: 20 21 file Specifies the name of the file to use as input. 22 23 If file is not specified or is -, rev copies from standard 24 input starting at the current offset. 25 26 EXIT STATUS 27 The following exit values are returned: 28 29 0 All files copied successfully. 30 31 >0 One or more files did not copy. 32 33 INTERFACE STABILITY 34 Committed. 35 36 SEE ALSO 37 cat(1), ksh93(1), tail(1), attributes(5) 38 39 illumos February 9, 2021 illumos