str_here_var()
Reads standard input into the named variable ($1).
$1 - Name of variable to receive stdin as a string.
str_trim()
Trims whitespaces from start and end of a string ($1).
str_endswith()
Returns success if a string ($1) ends with another string ($2).
str_startswith()
Returns success if a string ($1) start with another string ($2).