HPUX and comm command Post: 302633937

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Top Forums Shell Programming and Scripting HPUX and comm command Post 302633937 by drl on Wednesday 2nd of May 2012 04:35:18 PM

05-02-2012

Registered User

Hi.

There are many times when I don't want to sort the comm input files. So then I use combine, part of moreutils to be found at: moreutils

Here's a comparison:

Code:

#!/usr/bin/env bash

# @(#) s1       Demonstrate work-alike for comm, not requiring sort.
# http://kitenet.net/~joey/code/moreutils/

# Display context; "version" is local utility.
pe() { for _i;do printf "%s" "$_i";done; printf "\n"; }
pl() { pe;pe "-----" ;pe "$*"; }
db() { ( printf " db, ";for _i;do printf "%s" "$_i";done;printf "\n" ) >&2 ; }
db() { : ; }
pe
version 2>/dev/null && version =o perl comm ./combine
pe " Utility combine is $( wc -l < combine ) lines of perl."

pl " Input data files data[12]:"
head data[12]

pl " Results with comm, unsorted:"
comm -23 data[12]

pl " Results with comm, sorted:"
comm -23 <( sort data1 ) <( sort data2 )

pl " Results with combine, unsorted:"
./combine data1 not data2

exit 0

producing:

Code:

$ ./s1

OS, ker|rel, machine: HP-UX, B.11.11, 9000/712
Distribution        : GenericSysName [HP Release B.11.11] (see /etc/issue)
perl 5.8.0
comm - ( /usr/bin/comm Nov 14 2000 )
./combine - (local: ./combine May 2 21:15 )
 Utility combine is 165 lines of perl.

-----
 Input data files data[12]:
==> data1 <==
2
3
4
1

==> data2 <==
1
2
3

-----
 Results with comm, unsorted:
4
1

-----
 Results with comm, sorted:
4

-----
 Results with combine, unsorted:
4

I don't know if all the moreutils work on HP-UX, but, as you can see, combine does.

Best wishes ... cheers, drl

( edit 1: replace xor with not [same result in this instance] )

Last edited by drl; 05-02-2012 at 05:46 PM..

drl

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LEARN ABOUT MOJAVE

deleg_method

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)