On 16-06-14 13:01, Peter Otten wrote:
> Antoon Pardon wrote:
>
>> I am looking for an interface that takes a string as argument. The
>> string is to be treated as if it is a command line and transformed into
>> an argv list.
>>
>> "ls file" -> ['ls', 'file']
>> "ls *.py" -> ['ls', 'file1.py', 'file2.py', ...]
>> "ls '*.py'" -> ['ls', '*.py']
>>
>> Does something like this already exist? I looked around but seem to find
>> only things only partially do things like this, like shlex.split.
> You might combine shlex and glob:
>
> def parse_and_expand(s):
> parts = shlex.split(s)
> expanded = []
> for part in parts:
> matches = glob.glob(part)
> if matches:
> expanded.extend(sorted(matches))
> else:
> expanded.append(part)
> return expanded
No that doesn't work because of this:
>>> shlex.split("ls *.py")
['ls', '*.py']
>>> shlex.split("ls '*.py'")
['ls', '*.py']
>>>
After the split you have no idea wether the glob pattern you see was quoted
or not.
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