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Reset different and multiple .txt file content to 0

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# 1  
Old 07-04-2012
Reset different and multiple .txt file content to 0
I need help. I have to create a cron job that will reset the value of different and multiple .txt file to 0.

Example:

Actual
Code:
172_21.txt = 25
192_101.txt = 10
192_168.txt = 5
10_10.txt = 3

After the cron job
Code:
172_21.txt = 0
192_101.txt = 0
192_168.txt = 0
10_10.txt = 0

The cron job will be run every 12:00 Mid Night.

Thanks for the help.
Last edited by Franklin52; 07-05-2012 at 08:29 AM.. Reason: Please use code tags for data and code samples, thank you
# 2  
Old 07-04-2012
If all lines of text are exactly xxx = xxx, i.e. two spaces and three set of characters:
Code:
for file in file1.txt file2.txt lastfile.txt
do
    awk '{ print $1, $2, "0" }' $file > tmp.tmp
    mv tmp.tmp $file
done

# 3  
Old 07-04-2012
Quote:
Originally Posted by jim mcnamara
If all lines of text are exactly xxx = xxx, i.e. two spaces and three set of characters:
Code:
for file in file1.txt file2.txt lastfile.txt
do
    awk '{ print $1, $2, "0" }' $file > tmp.tmp
    mv tmp.tmp $file
done

Thanks jim for the response. I tried the command you gave but it only append the 0 to the xxx. It doesn't overwrite the xxx with 0.
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