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Full Discussion: Hello - Have a big issue need help please ASAP
Top Forums Shell Programming and Scripting Hello - Have a big issue need help please ASAP Post 302510613 by mnassiri on Monday 4th of April 2011 12:43:57 PM
Old 04-04-2011
Hello - Have a big issue need help please ASAP
I have been using this simple grep command to extract fields from a file that ALPHANUMERIC field has been set to 16
Code:
grep  -w 'ALPHANUMERIC     *16'  filename

------------------------- sample data file
Code:
SAMP_RICS  "SAMPLE RICS"        5694  NULL        ALPHANUMERIC       60  RMTES_STRING    60
PROB_DESC  "PROBLEM DESC"       5695  NULL        ALPHANUMERIC       32  RMTES_STRING    32
PAIR_CLIP1 "PAIR CLIP1"         5702  NULL        ALPHANUMERIC        9  RMTES_STRING     9
RELDATA1   "RELATED DATA1"      5756  NULL        ALPHANUMERIC       16  RMTES_STRING    16
RELNEWS    "RELATED NEWS"       5757  NULL        ALPHANUMERIC       16  RMTES_STRING    16
RELDATA2   "RELATED DATA2"      5758  NULL        ALPHANUMERIC       21  RMTES_STRING    21

--------------------------------------------

What I need to do is to extract everyline where the ALPHANUMERIC is set t to 28 and higher? betweem 28 & 255 t obe exact
I tried this shell script but it is not working. The grep command fails
because $c is not interperted ..
I tried escape character and it did not work


Anyone can help me with a simple shell command to extract all lines where the ALPHANUMERIC is set to 28 or higher?
Code:
#!/bin/bash

c=28
while [ $c -ge 28 ]  ; [ $c -le 255 ]
do
        grep -w 'ALPHANUMERIC     $c' RDMFieldDictionary
        (( c++ ))
done

~


------------------- Question --??


Anyone can help me with a simple shell command to extract all lines where the ALPHANUMERIC is set to 28 or higher in this file?
Last edited by Franklin52; 04-04-2011 at 02:09 PM.. Reason: Please use code tags
 

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LEARN ABOUT LINUX

zegrep

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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