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rubyinttype-conversionoctal

Converting int to escaped octal character

Given an integer - say, x=20, I'd like to convert this into a string containing its escaped octal character. I.e. ...

x=20

# y = ... Some magic

p y # => "\024"

The closest I've managed to get is by using:

x.to_s(8) # => "24"

However, I'm completely stumpted on how to convert this string into an escaped octal character! Any ideas, internet?

Solution

  • Just use Kernel#sprintf to format the number.

    Like this

    x = 20
y = sprintf('\%03o', x)

puts y

    output

    \024

    Update

    Maybe I misunderstood you. If you just want a character with the given code point then just use Integer#chr.

    Like this

    x = 20
y = x.chr

p y

    output

    "\x14"