Shell Programming and Scripting

cat fruits
red:apples
yellow:banana

 cat fruits | awk '{
  if ( $1 == "red" ) {
                    color=red
           } else {
                    color=yellow
           }; split($0,a,":"); print "color of fruit found is", color } END { print "End of colour report"}'

color of fruit found is
color of fruit found is
End of colour report!

awk '
BEGIN {
        FS=":"
        }

        { # default for all lines
                color="yellow"
        }

$1 == "red" {
        color=$1
        }

        { # all lines
        fruit=$2
        print "fruit:",fruit,"color:",color
        split($0,a,":")
        print "1:",a[1]
        }

END {
        print "End of colour report, #",NR
       }
' fruits