I am trying to extract the values of Student Id information from the file which 1000 of lines of information as below
Output should be
I am struggling to do this. As this is my first exp. in doing Shell script.
I did an grep -o ',0-9.0-9,' filename
i was able to get the following output
But was not able to remove the , in start and end of each line. Can anyone help me to do this.
Thanks in Advance.