05-10-2009
error "awk: (FILENAME=- FNR=23) fatal: division by zero attempted"
Hi ,
I have file :
Quote:
16 0
27 0
26 0
44 0
28 0
23 0
187 0
14 1
98 1
41 0
47 0
61 0
78 2
40 0
105 1
175 1
175 0
67 0
118 0
30 0
149 1
210 1
0 0
0 0
112 0
after i run this command :
Quote:
cat file | awk '{print $3" ,"100*($3/($3+$4))" ,"}'
there are error
Quote:
16 ,100 ,
27 ,100 ,
26 ,100 ,
44 ,100 ,
28 ,100 ,
23 ,100 ,
187 ,100 ,
14 ,93.3333 ,
98 ,98.9899 ,
41 ,100 ,
47 ,100 ,
61 ,100 ,
78 ,97.5 ,
40 ,100 ,
105 ,99.0566 ,
175 ,99.4318 ,
175 ,100 ,
67 ,100 ,
118 ,100 ,
30 ,100 ,
149 ,99.3333 ,
210 ,99.5261 ,
awk: (FILENAME=- FNR=23) fatal: division by zero attempted
can we print blank line if output error ??
thanks.. ^^
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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)