how you change xxxx_A to xxxx_B in awk

nails December 7, 2010 at 09:43:40

This changes every "A" to "B": echo "xxxxx_A"| awk ' { gsub("A","B", $0) print $0 } ' and this regular expression changes only the "A" that ends the string: echo "xxxxx_A"| awk ' { gsub("A$","B", $0) print $0 } '

lojan December 8, 2010 at 07:27:24

thank for the replay,but when i try like this it give me error #!/bin/awk -f count=gsub("A$","B", $0) print count this right. if it wrong how i write a in this format thank you

lojan December 8, 2010 at 07:30:46

awk: ./Demo4:4: print count awk: ./Demo4:4: ^ syntax error this is the error i getting

lojan December 8, 2010 at 07:36:23

thank you. i find out what is wrong #!/bin/awk -f { gsub ("A$","B", $0) print $0 }