shithub: kwa

ref: cd1bcaf273f968c44f70c78eb1ff8729086badbb
dir: /test/t.set0/

View raw version 
{$0 = $1; print; print NF, $0; print $2}
{$(0) = $1; print; print NF, $0; print $2}
{ i = 1; $(i) = $i+1; print }