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Full Discussion: Grab unique record from different files on a condition
Top Forums Shell Programming and Scripting Grab unique record from different files on a condition Post 302596909 by Shell_Life on Wednesday 8th of February 2012 02:29:28 PM
Old 02-08-2012
Here is a solution using shell scripts:
Code:
#!/bin/ksh
typeset -i mFromA mToA mFromB mToB
mF1='1.txt'
mF2='2.txt'
mPrevTag=''
#### sort is used to reduce the number of "grep"
sort ${mF1} | while read mTagA mFromA mToA; do
  if [[ "${mTagA}" != "${mPrevTag}" ]]; then
    grep "${mTagA}" ${mF2} > ${mF2}.tmp
  fi
  mFound="N"
  while read mTagB mFromB mToB; do
    if [[ ${mToA} -ge ${mFromB} && ${mFromA} -le ${mToB} ]]; then
      mFound="Y"
      break
    fi
  done < ${mF2}.tmp
  if [[ "${mFound}" = "N" ]]; then
    echo ${mTagA} ${mFromA} ${mToA} ${mF1}
  fi
  mPrevTag=${mTagA}
done

 

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LEARN ABOUT MINIX

zgrep

ZGREP(1)                                                      General Commands Manual                                                     ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep  options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

                                                                                                                                          ZGREP(1)
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