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awk appending values inside a for loop

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# 1  
Old 01-23-2017
awk appending values inside a for loop
Hi

i have a 2 files say test1 and test2 with the following data.

Code:
cat file
test
test1

i want to append the output from a awk one liner to both the files.

Code:
for i in cat file;do awk '/[groups/{a=1;print;next} /^[/{a=0}a && /=/{$0=$0",mango"}7' $i; done > $i

whats happening is its printing the output properly. but not appending the way it showing in print output.

Kindly help.
# 2  
Old 01-23-2017
Your code could not possibly have run - it is full of syntax and logic errors and simple mistakes.

But, what you are trying to do will not work. You cannot read from and write to the same file at the same time.

I do not understand what output you want, either.
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