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Merged
trans merged 2 commits into from
Dec 27, 2014
Merged

ask: add support for default answer. #2

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f696f0b
ask: add support for default answer.
weakish Dec 23, 2014
430b74d
Default answer defaults to nil.
weakish Dec 24, 2014
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2 changes: 1 addition & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -69,7 +69,7 @@ line options parser code.
In addition to #cli, CLI.K provides the #ask method. This is a very simple
command line query method.

ans = ask "Are you nice? [Y/N]"
ans = ask "Are you nice? [Y/n]"

Other Ruby libraries have their own take on the #ask method, and this very
simple implementation can just as soon be overridden. No biggy. But it's nice
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12 changes: 8 additions & 4 deletions lib/clik/ask.rb
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Expand Up @@ -6,7 +6,7 @@ module Kernel
# via the console. A prompt will be sent to $stdout,
# if given, and the input taken from $stdin...
#
# ask "Are you happy? [Yn]"
# ask "Are you happy? [Yn]", "Y"
#
# On the command line one would see...
#
Expand All @@ -19,11 +19,15 @@ module Kernel
# The ask method would return "Y".
#
# Returns [String]
def ask(prompt=nil)
def ask(prompt=nil, default_answer=nil)
$stdout << "#{prompt}"
$stdout.flush
$stdin.gets.chomp!
ans = $stdin.gets.chomp!
if ans == ''
default_answer
else
ans
end
end

end