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Editorial Team
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Asked: 2026-05-21T17:14:28+00:00

I have a file called a.txt. with values like 1 2 3 … I

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I have a file called a.txt. with values like

1
2
3
...

I want to overwrite this file but 

echo "$var" >> a.txt
echo "$var1" >> a.txt
echo "$var2" >> a.txt
...

just appends. Using > is not useful as well. How can i overwrite with using >> operator in shell script?

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1 Answer

  1. Editorial Team

    You may want to use > for the first redirection and >> for subsequent redirections:

    echo "$var" > a.txt
echo "$var1" >> a.txt
echo "$var2" >> a.txt
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