Wanted best way to validate delimited file records Post: 302719703

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Top Forums UNIX for Advanced & Expert Users Wanted best way to validate delimited file records Post 302719703 by Seshendranath on Tuesday 23rd of October 2012 01:42:59 AM

10-23-2012

Registered User

thanxz for reply but i want in ksh
can any one help me out with this plzs.

i am having this following code fr the same but i dont knw hw it works d i tried this but it show error in last line

Code:

awk '
  NR==FNR{                                 # When the first file is being read (only then are FNR and NR equal)
    W[$2]=$3                               # create an (associative) array element for the column widths with the second
                                           # field as the index using the Field separator (see below)
    next                                   # Proceed to the next record
  }
  {
    for(i in W)                            # for every line in the second file, for every column in array W
      if(length($i)>W[i]){                 # if the length of the corresponding field is more than the max column width then
        print > "file.bad"                 # print that record of the second file to "file.bad"
        next                               # Proceed to the next record
      }
  }
  1                                        # If there are no fields with more characters than the max column width then print the record..
' FS='[^0-9]*' colwidthfile FS=\| file     # Set FS to any sequence of non-digits for the first file. Set it to "|" for the second file.

can can one help in this!!!

Last edited by Franklin52; 10-23-2012 at 06:32 AM.. Reason: Please use code tags for data and code samples

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dpkg-awk

DPKG-AWK(1)						      General Commands Manual						       DPKG-AWK(1)

NAME

       dpkg-awk - Utility to read a dpkg style db file

SYNOPSIS

       dpkg-awk [(-f|--file) filename] [(-d|--debug) ##] [(-s|--sort) list] [(-rs|--rec_sep) ??] '<fieldname>:<regex>' ... -- <out_fieldname> ..

DESCRIPTION

       dpkg-awk  Parses  a  dpkg status file (or other similarly formatted file) and outputs the resulting records.  It can use regex on the field
       values to limit the returned records, it can also be told which fields to output, and it can sort the matched fields.

OPTIONS

       -f filename
       --file filename
	      The file to parse.  The default is /var/lib/dpkg/status.

       -d [#]
       --debug [#]
	      Each time this is specified, it increased the debug level.

       -s field(s)
       --sort field(s)
	      A space or comma separated list of fields to sort on.

       -n field(s)
       --numeric field(s)
	      A space or comma separated list of fields that should be interpreted as numeric in value.

       -rs ??
       --rec_sep ??
	      Output this string at the end of each output paragraph.

       -h
       --help Display some help.

       fieldname
	      The fields from the file, that are matched with the regex given.	The fieldnames are case insensitive.

       out_fieldname
	      The fields from the file, that are output for each record.  If the first field listed begins with ^, then the list  of  fields  that
	      follows will NOT be output.

BUGS

       Be  warned  that  the author has only a shallow understanding of the dpkg packaging system, so there are probably tons of bugs in this pro-
       gram.

       This program comes with no warranties.  If running this program causes fire and brimstone to rain down upon the earth, you will be on  your
       own.

       This program accesses the dpkg database directly in places, querying for data that cannot be gotten via dpkg.

AUTHOR

       Adam Heath <doogie@debian.org>

DEBIAN
								 Debian Utilities						       DPKG-AWK(1)