[Linux] Put backslash \ to the filename that contains space

Let say you have folder like below:

myFolder
 |_ text file one.txt
 |_ text file two.txt
 |_ text file three.txt

Type the command like below:

ls myFolder/* | sed 's/ /\\ /g'

Output:

myFolder/text\ file\ one.txt
myFolder/text\ file\ two.txt
myFolder/text\ file\ three.txt