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Revert "Prevent redirecting internal processes to file descriptors above 2"

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FDs are inherited, and redirecting those is harmless, and forbidding
that is worse than allowing all.

Fixes #7769.

This reverts commit 11a373f121.
This commit is contained in:
Fabian Homborg
2021-03-03 22:23:43 +01:00
parent 791b42f065
commit c96a07dc96
5 changed files with 17 additions and 60 deletions
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doc_src/index.rst
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@@ -269,8 +269,6 @@ Any arbitrary file descriptor can used in a redirection by prefixing the redirec
For example, ``echo hello 2> output.stderr`` writes the standard error (file descriptor 2) to ``output.stderr``.
It is an error to redirect a builtin, function, or block to a file descriptor above 2. However this is supported for external commands.
.. [#] Previous versions of fish also allowed specifying this as ``^DESTINATION``, but that made another character special so it was deprecated and will be removed in the future. See :ref:`feature flags<featureflags>`.
.. _pipes: