OSX Dependency walker

It is not as nice as Windows “depends” but does the job:

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#!/usr/bin/env ruby
 
paths = [ARGV[0]]
libs = { ARGV[0] => 1 }
 
while paths.size > 0 do
    path = paths.pop
    lines = `otool -L '#{path}'`.split("\n")[2..-1]
    new_libs = lines.collect do |line|
    line =~ /\s+(.*)\s+\(.*\)\s*/
    $1
    end
    new_libs.each do |lib|
        if libs[lib] then
            libs[lib] += 1
        else
            libs[lib] = 1
            paths < < lib
        end
    end
end
 
puts libs.keys.sort.join("\n")

Credit for finding this at idevappsgoes to Armindo