Availability: Unix.
The pipes module defines a class to abstract the concept of a pipeline -- a sequence of convertors from one file to another.
Because the module uses /bin/sh command lines, a POSIX or compatible shell for os.system() and os.popen() is required.
The pipes module defines the following class:
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Example:
>>> import pipes >>> t=pipes.Template() >>> t.append('tr a-z A-Z', '--') >>> f=t.open('/tmp/1', 'w') >>> f.write('hello world') >>> f.close() >>> open('/tmp/1').read() 'HELLO WORLD'
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