bash_src

• for_loop, bash codes which use a FOR loop to execute a command on a sequence of arguments.
• hello, a bash code which uses the echo() function to output "Hello, world!".
• here_document, bash codes which create and use "here documents", little helper text files that can be created on the fly.
• ps_to_png, a bash code which converts a PostScript file to PNG format.
• sort_test, a bash code which uses the UNIX sort() function.
• staff, a bash code which searches a directory file.