01-23-2017
As I said before, there is no such thing as a field not having a value. If there are no characters in a field, the value of that field is an empty string. And, yes, test 2 explicitly fails if the CLINSIG field is an empty string. And since an empty string does not contain | and an empty string is not the same as the string VUS, tests 1, 3, 4, and 5 also fail leaving test 6 to set the Classification field to VUS.
Now that you have a clearer specification for your script, can you write the awk script to perform those tests and produce your desired output? Try to write it and let us see what you come up with. If you get stuck, we'll try to help you fix your problems.
This User Gave Thanks to Don Cragun For This Post:
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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)