I have two text files. The first file1.txt  has content:AppleOrangeBananawhile the second file file2.txt has content:mondaytuesdaywednesdayI want to combine them into one file and its output is:Apple       File1.txtOrange      File1.txtBanana      File1.txtmonday      File2.txttuesday     File2.txtwednesday   File2.txt
merge file text with file name
cat