Add script to strip a prefix from a stream.

CHANGES.rst

@@ -1,3 +1,8 @@
+v3.11.0
+=======
+
+Added ``strip-prefix`` script.
+
 v3.10.0
 =======
 

jaraco/text/strip-prefix.py

@@ -0,0 +1,21 @@
+import sys
+
+import autocommand
+
+from jaraco.text import Stripper
+
+
+def strip_prefix():
+    r"""
+    Strip any common prefix from stdin.
+
+    >>> import io, pytest
+    >>> getfixture('monkeypatch').setattr('sys.stdin', io.StringIO('abcdef\nabc123'))
+    >>> strip_prefix()
+    def
+    123
+    """
+    sys.stdout.writelines(Stripper.strip_prefix(sys.stdin).lines)
+
+
+autocommand.autocommand(__name__)(strip_prefix)