Method: LogicTools#each_input

Defined in:
lib/logic_tools/logicinput.rb

#each_input ⇒ Object

Gets an iterator over the input expression

(obtained either through options or a through file).



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# File 'lib/logic_tools/logicinput.rb', line 19

def each_input
    # No block? Return an enumerator
    return enum_for(:each_input) unless block_given?
    # A block? Interrate with it
    # Process the arguments
    if ($*.empty?) then
        # No arguments, shows the help and end.
        help_short
        exit(1)
    end
    if $*[0] == "-f" or $*[0] == "--file" then
        # Work from a file, iterate on each line
        exprs = File.read($*[1])
        exprs.gsub!(/\r\n?/, "\n")
        exprs.each_line do |line|
            yield(line)
        end
    elsif $*[0] == "-h" or $*[0] == "--help" then
        help_short
    else
        # Work directly on the arguments as an expression
        yield($*.join)
    end
end