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Cannot resolve $variable in awk

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# 1  
Old 06-24-2013
Cannot resolve $variable in awk

My script
for i in `cat n`;do
export k=`echo "CSN: "$i` //combining CSN: and value from n
echo "$k"
awk ''{print "CSN: "$0;}'{_=29}_&&_--' file1|tail -1 >> file2

In the above script i cannot able to resolve $k in awk command
file n contains

I am trying to append CSN: 0000 and search it in the file1 and
display the 29th line from the searched pattern

Last edited by Don Cragun; 06-24-2013 at 06:17 PM.. Reason: Remove spinner...
# 2  
Old 06-24-2013
First of all I don't even expect that code you posted to work because I see few syntax errors.

I would suggest you to post few lines from your input files and desired output in code tags.

Also no duplicate post. Follow forum rules.
# 3  
Old 07-01-2013
Buggy Code

As Jedi states there are various bugs, I'm no awk expert but I think the line:
echo "$k"

should read:
echo "$k" > file1

so that the awk(1) command has something in the input file (called file1) to work on...

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