zhongjiajie commented on pull request #6782:
URL: https://github.com/apache/dolphinscheduler/pull/6782#issuecomment-971144661
It seem function do not work in my env. I use ]
*OS: mac
* Bash: GNU bash, version 5.1.8(1)-release (x86_64-apple-darwin19.6.0)
```shell
function charEscape(){
inputParam=$1
echo ${inputParam}
if [[ $1 =~ '@' ]]; then
tmp=$(echo inputParam | sed "s/@/\\\\@/g")
inputParam=${tmp}
fi
echo "$inputParam"
}
input="abc@123"
input=$(charEscape ${input})
echo ${input}
```
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