regular expression and awk

nickg · #1 (**permalink**) 08-16-2007

I can print a line with an expression using this:

awk '/regex/'

I can print the line immediately before an expression using this:

awk '/regex/{print x};{x=$0}'

How do I print the line immediately before and then the line with the expression?

vgersh99 · #2 (**permalink**) 08-16-2007

unless I'm missing something....

Code:

awk '/regex/{print x ORS $0};{x=$0}'
OR
awk '/regex/{print x; print $0};{x=$0}'

nickg · #3 (**permalink**) 08-16-2007

Worked like a charm!!

Thanks.

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