github.com/benhoyt/goawk@v1.8.1/testdata/gawk/fldchg.awk (about)

     1  {
     2  #	print "0:", $0
     3  	gsub("aa", "+")
     4  	print "1:", $0
     5  	$3 = "<" $3 ">"
     6  	print "2:", $0
     7  	print "2a:" "%" $1 "%" $2 "%" $3 "%" $4 "%" $5
     8  }