I've been scratching my head over this one. I have a list of data that I
want to selectively edit prior to sorting. The data is in two forms:
ABDC 111 */4 letters, 3 spaces, 3 digits
ABCD 22 */4 letters, 3 spaces, 2 digits
I wish to add a leading 0 to the digits in the lines containing only two
digits, leaving the current 3 digit lines as is:
ABDC 111 */4 letters, 3 spaces, 3 digits
ABCD 022 */4 letters, 3 spaces, 2 digits
I can add a leading zero to the digits in all lines with:
sed 's/ / 0/g' file1 > file2
Is there a way to set the address option for sed to just perform
the editing on those lines matching a pattern:
/ [0-9][0-9]/ or the negation of /[0-9][0-9][0-9]/
If there is another simple solution I've overlooked for this editing
task, drop me a line.
Paul Traceski
