The pipes module

(Unix only). This module contains support functions to create “conversion pipelines”. You can create a pipeline consisting of a number of external utilities, and use it on one or more files.

 
Example: Using the pipes module
# File: pipes-example-1.py

import pipes

t = pipes.Template()

# create a pipeline
t.append("sort", "--")
t.append("uniq", "--")

# filter some text
t.copy("samples/sample.txt", "")

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