Package nawk

"The one true awk" descended from UNIX V7

http://www.cs.princeton.edu/~bwk/btl.mirror/index.html

This is the version of awk described in "The AWK Programming Language", by Al
Aho, Brian Kernighan, and Peter Weinberger. (Addison-Wesley, 1988, ISBN
0-201-07981-X).

General Commands (Section 1)
nawk
Nawk scans each input file for lines that match any of a set of patterns specified literally in prog or in one or more files specified as -f progfile. With each...