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fixed example for Variable command

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bonnie 2022-05-08 23:33:28 +08:00
parent 7d40456576
commit bab726081b
1 changed files with 5 additions and 3 deletions
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README.md
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@ -188,9 +188,11 @@ echo ${var[@]#0}
```bash
{var//a/,}
```
##### Grep lines with strings from a file (e.g. lines with 'stringA or 'stringB' or 'stringC')
```bash
#with grep
test="god the father"
test="stringA stringB stringC"
grep ${test// /\\\|} file.txt
# turning the space into 'or' (\|) in grep
```