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If there are spaces instead of commas, just remove the -F, from the statement, and replace "," with " " in the third line.

awk '
NF == 2 {x=$1; print; next}
NF == 1 {print x" "$1}
' infile >...

Assuming the number of columns is consistent throughout, and in this case is 1 or 2, an awk script might look like:

awk -F, '
NF == 2 {x=$1; print; next}
NF == 1 {print x","$1}
' infile >...

Thanks Jim, that makes sense using grep, but I should have been more clear, it needs to be awk because there is more to my script, but I removed it to simplify my post here. I use awk here because I...

I've created an awk script that handles a varying number of search strings handed to it as command line parameters ($1 $2 etc). There may be 1, or 2 or 3 or more. A simplified version of the script...

Thanks Jim,
Your first option worked fine, and made it easier for me to convert the info into an array in awk (with the split function) which was my goal.

Hello,
Does getopts have some way of handling the use of an option that requires a parameter more than once on the command line.
e.g. mycmd -a john -a jane
I came up with a solution using...