Update README.md

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onceupon 2017-01-05 15:45:36 +08:00 committed by GitHub
parent 51ed9e01c9
commit 7204588af5

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@ -718,7 +718,7 @@ if [[$age >21]]
```bash
if [ -e $DF ]
then
echo -e “file exists!|”
echo -e "file exists!"
fi
```