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Top Forums Shell Programming and Scripting script to find filenames with latest version and for all seq. numbers in a day Post 302393159 by Karpak on Monday 8th of February 2010 04:08:48 AM
Old 02-08-2010
Try this.

Code:
#!/usr/bin/ksh
pseq=""
pver=""
phub=""
pfed=""
pdat=""
cat a.txt | grep `date  '+_%d%m%Y_'` | sort -t'_' +2 +3 +4 > out.txt
while IFS="_" read hub feed tdate seq ver ; do
  if [[ "$seq" != "$pseq" ]]
  then
     if [[ "$pseq" == "" ]]
     then
        pseq=$seq
        pver=$ver
        phub=$hub
        pdat=$tdate
        pfed=$feed
     else
        echo "${hub}_${feed}_${tdate}_${pseq}_${pver}"
        pseq=$seq
        pver=$ver
        phub=$hub
        pdat=$tdate
        pfed=$feed
     fi
  else
    if [[ "$pver" < "$ver" ]]
    then
      pver=$ver
    fi
  fi
done < out.txt > out
echo "${phub}_${pfed}_${pdat}_${pseq}_${pver}" >> out
rm -f out.txt


Last edited by Karpak; 02-08-2010 at 05:15 AM..
 

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SEQ(1)									FSF								    SEQ(1)

NAME
seq - print a sequence of numbers SYNOPSIS
seq [OPTION]... LAST seq [OPTION]... FIRST LAST seq [OPTION]... FIRST INCREMENT LAST DESCRIPTION
Print numbers from FIRST to LAST, in steps of INCREMENT. -f, --format=FORMAT use printf style floating-point FORMAT (default: %g) -s, --separator=STRING use STRING to separate numbers (default: ) -w, --equal-width equalize width by padding with leading zeroes --help display this help and exit --version output version information and exit If FIRST or INCREMENT is omitted, it defaults to 1. FIRST, INCREMENT, and LAST are interpreted as floating point values. INCREMENT should be positive if FIRST is smaller than LAST, and negative otherwise. When given, the FORMAT argument must contain exactly one of the printf- style, floating point output formats %e, %f, %g AUTHOR
Written by Ulrich Drepper. REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>. COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU- LAR PURPOSE. SEE ALSO
The full documentation for seq is maintained as a Texinfo manual. If the info and seq programs are properly installed at your site, the command info seq should give you access to the complete manual. seq (coreutils) 4.5.3 February 2003 SEQ(1)
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