module ImageOptim::Runner::GlobHelpers
Helper methods for glob
Constants
- BRACE_REGEXP
Match inner curly braces in glob Negative lookbehind is not used as is not supported by ruby before 1.9
Public Class Methods
expand_braces(original_glob)
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Expand curly braces in glob as fnmatch in ruby before 2.0 doesn’t support them
# File lib/image_optim/runner/glob_helpers.rb, line 30 def expand_braces(original_glob) expanded = [] unexpanded = [original_glob] while (glob = unexpanded.shift) if (m = BRACE_REGEXP.match(glob)) m[2].split(',', -1).each do |variant| unexpanded << "#{m[1]}#{variant}#{m[3]}" end else expanded << glob end end expanded.uniq end