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Full Discussion: comparing of two files
Top Forums Shell Programming and Scripting comparing of two files Post 302283854 by rwuerth on Wednesday 4th of February 2009 08:17:12 AM
Old 02-04-2009
This may do it.

Code:
if (( $(comm -23 cmp1 cmp2 | wc -l) > 0 ))
then
  #cmp1 has something not in cmp2, so act on that
 else 
  #cmp1 does not have anything not already in cmp2
  #so act on that
fi

you can put a tee in the pipeline between the comm and
wc command if you want to save the differences to a file
name of your choice for use in processing in the body of
the 'if' statement.
 

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deleg_method(n) 					       Interpreter utilities						   deleg_method(n)

__________________________________________________________________________________________________________________________________________________

NAME
deleg_method - Creation of comm delegates (snit methods) SYNOPSIS
package require Tcl 8.3 package require snit ?1.1? package require interp::delegate::method ?0.2? ::interp::delegate::method ?-async? name arguments comm id _________________________________________________________________ DESCRIPTION
This package provides a single command for use within snit type definition (i.e. actually a snit::macro) for the convenient creation of methods which delegate the actual work to a remote location via a "channel" created by the package comm. API
::interp::delegate::method ?-async? name arguments comm id This commands creates a method which is named by name. All invokations of this method will delegate the actual work to the remote location identified by the comm channel comm and the endpoint id. The name of the remote method invoked by the delegator is identical to the name of the method itself. Normally the generated method marshalls the arguments, and returns the result from the remote method as its own result. If however the option -async was specified then the generated method will not wait for a result and return immediately. BUGS, IDEAS, FEEDBACK This document, and the package it describes, will undoubtedly contain bugs and other problems. Please report such in the category interp of the Tcllib SF Trackers [http://sourceforge.net/tracker/?group_id=12883]. Please also report any ideas for enhancements you may have for either package and/or documentation. KEYWORDS
comm, delegation, interpreter, method, snit CATEGORY
Programming tools COPYRIGHT
Copyright (c) 2006 Andreas Kupries <andreas_kupries@users.sourceforge.net> interp 0.2 deleg_method(n)
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