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Grep variables with space within it

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Grep variables with space within it
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onceupon
2017-10-26 16:20:59 +08:00
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@ -39,6 +39,13 @@ grep -o -P '(?<=w1).*(?=w2)'
grep -v bbo filename
```
##### Grep variables with space within it (e.g. bbo="some strings")
```bash
grep "$boo" filename
```
#remember to quote the variable!
##### Grep only one/first match (e.g. bbo)
```bash