Scripts and Utilities -- Awk lecture links

Directory: /home/cs494/notes/Awk

This file: http://www.cs.utk.edu/~plank/plank/classes/cs494/494/notes/Awk/links.html

The lecture notes: http://www.cs.utk.edu/~plank/plank/classes/cs494/494/notes/Awk/lecture.html

setup

Simple pattern-action statements

awkgrep input
awkgrep < input

awk '{ print $1, $NF }' input

cat awkgrep2
awkgrep2 input

Printf

awkrev input

Type casting

echo "4 Jim" | awkcast

BEGIN and END

awkwc awkwc
wc awkwc

next and exit

cat -n input
cat -n input | awkpo

awkptR input

Arrays

usopen, masters, kemper, memorial.
awkgolf.

awkgolf kemper
cat masters usopen kemper memorial | awkgolf

File indirection

awk '{print $0 > "f1"}' < input
cat f1

Multiline awk scripts in the Bourne shell

shwc

awkwc awkwc
shwc awkwc
shwc < awkwc

Bad string processing

awk -f sp.awk input