awk '{print ; print '""'}' in.txt >inf.txt
What are you expecting?
Remove single quote from the second print.
awk '{print ; print ""}' in.txt > out.txt
awk '{print ; print '""'}' in.txt >inf.txt
What are you expecting?
Remove single quote from the second print.
awk '{print ; print ""}' in.txt > out.txt