Ruby | Array pack() function

Ruby | Array pack() function

Last Updated : 06 Dec, 2019

Array#pack() : pack() is a Array class method which returns the contents of arr into a binary sequence according to the directives in aTemplateString

Syntax: Array.pack() Parameter: Array Return: the contents of arr into a binary sequence according to the directives in aTemplateString

Example #1 :

# Ruby code for pack() method

# declaring array
a = [18, 22, 33, nil, 5, 6]

# declaring array
b = [1, 4, 1, 1, 88, 9]

# declaring array
c = [2, 3, 1, 8]

# pack method example
puts "pack() method form : #{a.pack("ccc")}\n\n"

puts "pack() method form : #{b.pack("efe")}\n\n"

Output :

pack() method form : !

pack() method form :

Example #2 :

# Ruby code for pack() method

# declaring array
a = ["abc", "nil", "dog"]

# declaring array
b = ["cow", nil, "dog"]

# declaring array
c = ["maths"]

# pack method example
puts "pack() method form : #{a.pack("A3A3A3")}\n\n"

puts "pack() method form : #{b.pack("a3a3a3")}\n\n"

Output :

pack() method form : abcnildog

pack() method form : cowdog

Ruby | Array pack() function

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