12-12-2007
Hi Zelp,
These are numbers. And basically in a while loop, I do not declare awk. Most of the time, I only do echo which in the end I could not use printf.
Sample code:-
#!/bin/bash
cat a.txt|while read LINE
do
char=`echo "${LINE}"| awk '{print $2}'`
#echo $char
i=`grep -n "^$char" b.txt|awk '{print $2}'`
j=`grep -n "^$char" b.txt|awk '{print $3}'`
k=`grep -n $char$ c.txt|awk '{print $1}'`
echo $i
echo $j
echo $k
q=`echo (($j)/($i+$j))|bc `
echo $q
#awk '{
#q=$j/($i+$j)}
#END{
#printf("q is %d", $q);
#}'
done
I have error in echo where it doesnt allow me to perform computation. I am thinking to use AWK whihc is put easier but I could not because it invovles multiple files to read and compare.
Please advise what is the best solution for this. Thanks!
-Jason
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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)