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Full Discussion: How to parse..
Top Forums Shell Programming and Scripting How to parse.. Post 35816 by Jimbo on Wednesday 7th of May 2003 03:52:20 PM
Old 05-07-2003
Code:
tnsping PROD | awk '/Attempting/ {
gsub("[()=]"," ")
$0=toupper($0)
for (i=1;i<=NF;i++)
   if ($i=="PORT")
       {print $(i+1)
        exit}
}' | read port

echo "port=$port"

Above script simplifies the parsing task by first cleaning up the line, then scans the line for PORT and prints the word after. Port number can be more than 4 digits.

I think the line of interest is always just one line, correct? You show one sample as being on two lines. If so, just change the first line to:

tnsping PROD | awk '{

and it will parse each line until PORT is found.
Jimbo
 

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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)
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