bash script loop HowTo - Linux / Unix Q & A from nixCraft

Bash Script: Read One Character At A Time

I need to count one character at a time from input.txt. How do I read one character at a time under Linux / UNIX bash shell script?

in BASH Shell, Linux, UNIX last updated February 4, 2014

Q. How do I use bash for loop with spaces in a file name?

in BASH Shell, Linux last updated December 13, 2008

Q. How do I use bash for loop under Linux operating systems?