13,420
edits
Changes
→Using the awk Utility
*You can use a regular expression, enclosed within slashes, as a pattern.
*The '''~ ''' operator tests whether a field or variable matches a regular expression *The '''!~ ''' operator tests for no match.
*You can perform both numeric and string comparisons using relational operators
*You can combine any of the patterns using the Boolean operators '''|| ''' (OR) and '''&& ''' (AND)
