# awk

* match first string but not second string:

`awk '/string1/ && !/string2/' file`

* use variable in search pattern:

```
avar="testy" ps auxf | awk "/$mini/"' && /domain-name/ && !/grep/ {print $4}'` && netstat -plunt | awk "/$pid/
```

* use bash var in pattern:

`awk  -v pattern="$1" '$0 ~ pattern'`