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Full Discussion: gzcat into awk and then change FILENAME and process new FILENAME
Top Forums Shell Programming and Scripting gzcat into awk and then change FILENAME and process new FILENAME Post 302207874 by timj123 on Saturday 21st of June 2008 10:50:32 AM
Old 06-21-2008
gzcat into awk and then change FILENAME and process new FILENAME
I am trying to write a script that prompts users for date and time, then process the gzip file into awk. During the ksh part of the script another file is created and needs to be processed with a different set of pattern matches then I need to combine the two in the end. I'm stuck at the part where I have to change the FILENAME and FS part. Can anyone shed some light on this for me please.

Thanks

Code:
#!/bin/ksh
tput clear

dir=/my/dir/here/
ifile=/tmp/ifile
ofile=/tmp/ofile

echo "Enter the date and hour to run this script on [YYMMDDHH]: \c"
read file


/usr/bin/gzcat $file | /usr/xpg4/bin/awk '

BEGIN {
print "headers go here"
}


NR == 3 { print $2,$3"  --  "$4,$5 ; print "" ; next }

/^dise / {
        dipce = substr($2,4,1) * 1000 ; next
           }
/^LC/ {
        lec = substr($0,3,3) + dipce
        f++
        s = ""
        for ( i in arr ) { delete arr[i] }
        }
	   f {
		run some more stuff until gzcat is finished
              }

###Here I want to change FILENAME to "'"$ifile"'" ###

#Run some more awk code here while reading in "'"$ifile"'"




END {
Print some stuff from both processed file
}

 

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LEARN ABOUT LINUX

igawk

IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME

       igawk - gawk with include files

SYNOPSIS

       igawk [ all gawk options ] -f program-file [ -- ] file ...
       igawk [ all gawk options ] [ -- ] program-text file ...

DESCRIPTION

       Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1).

       AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like

	      @include getopt.awk

       in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path.

OPTIONS

       See gawk(1) for a full description of the AWK language and the options that gawk supports.

EXAMPLES

       cat << EOF > test.awk
       @include getopt.awk

       BEGIN {
	    while (getopt(ARGC, ARGV, "am:q") != -1)
		 ...
       }
       EOF

       igawk -f test.awk

SEE ALSO

       gawk(1)

       Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995.

AUTHOR

       Arnold Robbins (arnold@skeeve.com).

Free Software Foundation					    Nov 3 1999								  IGAWK(1)
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