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Full Discussion: Find out match characters on all lines
Top Forums Shell Programming and Scripting Find out match characters on all lines Post 302705293 by cwzkevin on Monday 24th of September 2012 01:36:06 PM
Old 09-24-2012
Quote:
Originally Posted by RudiC
22 lines of 3,278,824 chars to be compared char by char!? Wouldn't it be much easier if we could transpose that matrix (yet I don't know how, right now, from the top of my head) ?
Yes, transpose it and use awk with NF=22, NR=3278824 is the direction of solution in my mind. Actually, pamu's solution is done by transpose it with awk and also count it by awk!!! GREAT!
Last edited by cwzkevin; 09-24-2012 at 05:39 PM..
 

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LEARN ABOUT SUNOS

pnmflip

pnmflip(1)                                                    General Commands Manual                                                   pnmflip(1)

NAME

       pnmflip - perform one or more flip operations on a portable anymap

SYNOPSIS

       pnmflip [-leftright|-lr] [-topbottom|-tb] [-transpose|-xy] [-rotate90|-r90|-ccw ] [-rotate270|-r270|-cw ] [-rotate180|-r180] [pnmfile]

DESCRIPTION

       Reads a portable anymap as input.  Performs one or more flip operations, in the order specified, and writes out a portable anymap.

OPTIONS

       The flip operations available are: left for right (-leftright or -lr); top for bottom (-topbottom or -tb); and transposition (-transpose or
       -xy).  In addition, some canned concatenations are available: -rotate90 or -ccw is equivalent to -transpose -topbottom; -rotate270  or  -cw
       is equivalent to -transpose -leftright; and -rotate180 is equivalent to -leftright -topbottom.

       All flags can be abbreviated to their shortest unique prefix.

SEE ALSO

       pnmrotate(1), pnm(5)

AUTHOR

       Copyright (C) 1989 by Jef Poskanzer.

                                                                   25 July 1989                                                         pnmflip(1)
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