05-06-2013
Quote:
Originally Posted by
hanson44
Well, each tool has it's strengths and weaknesses. And look, if you don't let
rev do it's job, the thing it was expressly designed for, it will get lonely. We wouldn't want that to happen, would we?
Some systems don't include the rev utility. All UNIX and Linux systems provide awk. The OP never said what OS was being used.
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LEARN ABOUT OPENSOLARIS
rev
rev(1) User Commands rev(1)
NAME
rev - reverse the characters or lines of one or more files
SYNOPSIS
/usr/bin/rev [-l] [file ...]
DESCRIPTION
rev copies one or more files to standard output, reversing the order of characters on every line of the file.
OPTIONS
The following options are supported:
-l Reverse the order of the lines of the file, instead of characters.
--line
OPERANDS
The following operands are supported:
file Specifies the name of the file to use as input.
If file is not specified, or if file is a -, rev copies from standard input starting at the current offset.
EXIT STATUS
The following exit values are returned:
0 All files copied successfully.
>0 One or more files did not copy.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
|CSI |Enabled |
+-----------------------------+-----------------------------+
|Interface Stability |Committed |
+-----------------------------+-----------------------------+
SEE ALSO
cat(1), ksh93(1)tail(1), attributes(5)
SunOS 5.11 27 Jan 2009 rev(1)