In one of my column, I have data which may or may not be separted with coma always. Now I need to validate the length of these text within the coma (if available) and if the length is more than 30 characters, I need to insert a coma either at 30 characters if its a white space or at last occurence of whitespace within 30 characters.
For example if my column value is "FOR ASSY, FFFFHDAD CONVOORS - STRUCTURE ABC DGER GSHH"
FOR ASSY is fine as this is well within 30.
For next set FFFFHDAD CONVOORS - STRUCTURE ABC DGER GSHH where the characted length is 43, I have to check if there is whitespace at 30 characters if so replace it with coma else look at the previous whitespce from 30 characters and replace it with coma.
Essantially I should have coma before every 30 characters or less. If the coma already exists in the data retain as it is.
Can some one help me with awk scripts for the same
Sample Data
Thanks
Moderator's Comments:
When spacing is important and multiple adjacent spaces are present in your data, CODE tags are crucial for readers to be able to understand the format of your input. The forum rules require use of CODE tags when showing sample input, sample output, and code segments to make it easier to read and understand what you're trying to do.
Last edited by Don Cragun; 07-03-2014 at 04:30 PM..
Reason: Add CODE and ICODE tags.
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