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Top Forums Shell Programming and Scripting Count and print all repeating words in a line Post 302462057 by Klashxx on Wednesday 13th of October 2010 06:04:08 AM
Old 10-13-2010
Using perl:
Code:
perl -ne '%h={};$i=0;$r="";map {$h{$_}++} split /\s+/,$_;for (keys %h){if($h{$_}>1){$i++;$r.=$_." "}};print $r.$i."\n" unless ! $i' infile

 

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ypmatch(1)							   User Commands							ypmatch(1)

NAME
ypmatch - print the value of one or more keys from a NIS map SYNOPSIS
ypmatch [-k] [-t] [-d domain] key [key...] mname ypmatch -x DESCRIPTION
ypmatch prints the values associated with one or more keys from the NIS's name services map specified by mname, which may be either a map name or a map nickname. Multiple keys can be specified; all keys will be searched for in the same map. The keys must be the same case and length. No pattern match- ing is available. If a key is not matched, a diagnostic message is produced. OPTIONS
The following options are supported: -k Before printing the value of a key, print the key itself, followed by a colon (:). -t Inhibit map nickname translation. -d domain Specify a domain other than the default domain. -x Display the map nickname table. This lists the nicknames the command knows of, and indicates the map name associated with each nickname. OPERANDS
The following operand is supported: mname The NIS's name services map EXIT STATUS
The following exit values are returned: 0 Successful operation. 1 An error occurred. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWnisu | +-----------------------------+-----------------------------+ SEE ALSO
ypcat(1), ypfiles(4), attributes(5) NOTES
ypmatch will fail with an RPC error message on yp operation if enough file descriptors are not available. The number of file descriptors should be increased if this occurs. SunOS 5.10 22 Aug 1997 ypmatch(1)
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