module Scripto::MiscCommands
Constants
- BASE_62
Public Instance Methods
md5_file(path)
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Return the md5 checksum for the file at path
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# File lib/scripto/misc_commands.rb, line 19 def md5_file(path) File.open(path) do |f| digest, buf = Digest::MD5.new, '' digest.update(buf) while f.read(4096, buf) digest.hexdigest end end
md5_string(str)
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Return the md5 checksum for str
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# File lib/scripto/misc_commands.rb, line 28 def md5_string(str) Digest::MD5.hexdigest(str.to_s) end
prompt?(question)
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Ask the user a question via stderr, then return true if they enter YES, yes, y, etc.
# File lib/scripto/misc_commands.rb, line 34 def prompt?(question) $stderr.write("#{question} (y/n) ") $stderr.flush $stdin.gets =~ /^y/i end
random_string(len)
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Return a random alphanumeric string of length len
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# File lib/scripto/misc_commands.rb, line 41 def random_string(len) (1..len).map { BASE_62.sample }.join end
root?()
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Return true if the current user is “root”.
# File lib/scripto/misc_commands.rb, line 14 def root? whoami == 'root' end
whoami()
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Who is the current user?
# File lib/scripto/misc_commands.rb, line 9 def whoami @scripto_whoami ||= Etc.getpwuid(Process.uid).name end