Multiple arguments to be formatted


puts args = ['Syntax Error', 'test.rb', 20]  # An array of arguments
"%s: in '%s' line %d" % args    # => "Syntax Error: in 'test.rb' line 20"

1.	Display a Message
2.	Insert some output from a shell command
3.	Put two or more variables together with the + method:
4.	format a string with puts
5.	format based string interpolation
6.	Get the command line parameter
7.	Comparing Floating-Point Numbers
8.	Simple Arithmetic
9.	use parentheses
10.	Array on righthand side for multiple args
11.	%d for decimal integers
12.	hexadecimal integers
13.	uppercase hexadecimal integers
14.	octal integers string format
15.	full-length floating-point numbers
16.	force exponential notation
17.	exponential with uppercase E
18.	six significant digits
19.	Use %f or %e depending on magnitude
20.	Field width
21.	Float number Precision
22.	Field and precision combined

Multiple arguments to be formatted : puts « Language Basics « Ruby