converting from perl: variable sized unpack
Barry A. Warsaw
barry at digicool.com
Fri Jul 13 23:28:39 EDT 2001
>>>>> "RS" == Roy Smith <roy at panix.com> writes:
RS> What's the best way to translate this perl snippet into
RS> ($f1, $f2, $f3, $f4, $f5, $f6) = split ('\s+', $line);
RS> The obvious translation would be:
RS> [f1, f2, f3, f4, f5, f6] = string.split (line)
RS> but the problem is that line may have fewer than 6 fields on
RS> it. Perl handles this smoothly by leaving the "extra"
RS> variables undefined, whereas python raises a ValueError
RS> exception. What I'd like to do is have the extra field
RS> variables left as null strings.
Python doesn't work this way, but I've been thinking about writing a
PEP to make sequence unpacking less strict.
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