Returns the least significant eight bits of the return code of stat. Only available if exited? is true.
fork { } #=> 26572 Process.wait #=> 26572 $?.exited? #=> true $?.exitstatus #=> 0 fork { exit 99 } #=> 26573 Process.wait #=> 26573 $?.exited? #=> true $?.exitstatus #=> 99
Updates the digest using a given string and returns self.
The update() method and the left-shift operator are overridden by each implementation subclass. (One should be an alias for the other)
Return true if the PRNG has been seeded with enough data, false otherwise.
<!NOTATION …>
<!NOTATION …>
Expire memoized instance variables that can incorrectly generate, replace or miss files due changes in certain attributes used to compute them.
True if the gems in the system satisfy dependency.
Downloads uri to path if necessary. If no path is given, it just passes the data.
Raises a MissingTagError or NotExpectedTagError if the element is not properly formatted.
Raises NotAvailableValueError if element content is nil