08-15-2007
AWK to extract information
Hi all,
I am working on a shell script to extract information from a file that has output from Oracle sqlplus. The problem is that the output of a single line is spread across multiple lines and i do not know as how to extract the particular filed at ones,which spans multiple lines. Following is what the file looks like from which i am trying to extract information.
DB1 Jack_ Harris_
Anderson Godwin
DB2 Rich Rick
DB3 Rice Paul
DB4 Paul_ Darren_
Keith Gough
As you can see from the file above, the output is skewed. In the first line the second column has name Jack_Anderson, which is divided in to two lines and there is a blank line between row1 and row 2. My question is how can i extract the individual fields. For eg: the AWK $2 on first line should give me Jack_Anderson (but it only gives Jack_) and $NR==2 is a blank line, how can i eliminate this blank line in the search? I am using AWK to extract the required fields, can anyone shed light on this. I am writing this in KORN shell.
Thanks,
Harris
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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)