From ef294b92e27547a1188cf216c2217586f596c822 Mon Sep 17 00:00:00 2001 From: Abigail Date: Sun, 24 Jan 2021 02:46:19 +0100 Subject: Ruby solution for week 2, part 1 --- challenge-002/abigail/ruby/ch-1.rb | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 challenge-002/abigail/ruby/ch-1.rb (limited to 'challenge-002/abigail/ruby') diff --git a/challenge-002/abigail/ruby/ch-1.rb b/challenge-002/abigail/ruby/ch-1.rb new file mode 100644 index 0000000000..0ef00293d6 --- /dev/null +++ b/challenge-002/abigail/ruby/ch-1.rb @@ -0,0 +1,13 @@ +#!/usr/bin/ruby + +# +# See ../README.md +# + +# +# Run as: ruby ch-1.rb < input-file +# + +ARGF . each_line do |_| + puts _ . to_i +end -- cgit From 73adfbabd45d6dcced17f410e123349a2b7150a5 Mon Sep 17 00:00:00 2001 From: Abigail Date: Mon, 25 Jan 2021 17:44:14 +0100 Subject: Ruby solution for week 2, part 2 --- challenge-002/abigail/ruby/ch-2.rb | 50 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 challenge-002/abigail/ruby/ch-2.rb (limited to 'challenge-002/abigail/ruby') diff --git a/challenge-002/abigail/ruby/ch-2.rb b/challenge-002/abigail/ruby/ch-2.rb new file mode 100644 index 0000000000..95efc096a7 --- /dev/null +++ b/challenge-002/abigail/ruby/ch-2.rb @@ -0,0 +1,50 @@ +#!/usr/bin/ruby + +# +# See ../README.md +# + +# +# Run as: ruby ch-2.rb {-f | -t} < input-file +# + +require 'optparse' + +BASE = 35 + +# +# Parse and validate options +# +params = ARGV . getopts ('ft') +do_from_base = params ["f"] ? 1 : 0 +do_to_base = params ["t"] ? 1 : 0 +if do_from_base + do_to_base != 1 + STDERR . puts "Program requires exactly one of '-f' or '-t'" + exit 1 +end + + +def to_base (number) + out = "" + while number > 0 do + rest = number % BASE + if rest < 10 + then char = rest . to_s + else char = (65 + rest - 10) . chr + end + out = char + out + number = (number / BASE) . to_i + end + return out +end + +def from_base (number) + return number . to_i (35) +end + +ARGF . each_line do |_| + if do_from_base == 1 + then puts from_base (_) + else puts to_base (_ . to_i) + end +end -- cgit