Module libmacchina::extra

This module provides additional functionalities

Functions

count_lines	Returns the number of newlines in a buffer
is_int	This function checks if the given String is a valid integer, returning an error message if the check fails.
list_dir_entries	Returns the entries of a given Path.
path_extension	Returns
pop_newline	This function pops \n from the end of a given String if it is found.
ucfirst	Uppercase the first letter of a String or &str.
which	Search all directories in PATH for a program e.g. ps, grep, etc.