change in line

Applications UNIX Desktop Questions & Answers
1

i have a line that has ",,", i need to change it to "," ; But i have it more than one time in the same line , sub(",,",",",$0) just sub the first one in the line?

---------- Post updated at 08:15 AM ---------- Previous update was at 08:15 AM ----------

using AWK please

2 

using sub changes 1st instance:

#  echo "hello,,world,,how, are,,you" | nawk '{sub(",,",",",$0);print}'
hello,world,,how, are,,you

using gsub changes all instances:

#  echo "hello,,world,,how, are,,you" | nawk '{gsub(",,",",",$0);print}'
hello,world,how, are,you

HTH

3

thanks a lot , i will try it