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Contents
module Spruz
module GO
module_function
# Parses the argument array _args_, according to the pattern _s_, to
# retrieve the single character command line options from it. If _s_ is
# 'xy:' an option '-x' without an option argument is searched, and an
# option '-y foo' with an option argument ('foo').
#
# An option hash is returned with all found options set to true or the
# found option argument.
def go(s, args = ARGV)
b,v = s.scan(/(.)(:?)/).inject([{},{}]) { |t,(o,a)|
a = a == ':'
t[a ? 1 : 0][o] = a ? nil : false
t
}
while a = args.shift
a !~ /\A-(.+)/ and args.unshift a and break
p = $1
until p == ''
o = p.slice!(0, 1)
if v.key?(o)
v[o] = if p == '' then args.shift or break 1 else p end
break
elsif b.key?(o)
b[o] = true
else
args.unshift a
break 1
end
end and break
end
b.merge(v)
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems