Commit c40d2e52 authored by Marc Gouw's avatar Marc Gouw

Merge branch 'master' of git.embl.de:dinkel/linuxcommandline

parents 18cebe54 fa8a33a8
......@@ -16,6 +16,7 @@ All other graphics © Frank Thommen, EMBL Heidelberg, 2012
Special thanks go to contributors / helping hands (alphabetical order):
* Renato Alves
* Christian Arnold
* Jean-Karim Hériché
* Nicolai Karcher
......
......@@ -845,6 +845,12 @@ echoing each command before executing it. This option can be :index:`set` and :
during runtime with ``set -x`` / ``set +x`` (sh/bash) and ``set echo`` / ``unset echo``
(csh/tcsh).
It can also be helpful to ``set -e`` / ``set +e``, which will cause the script to exit
immediately, if any of the commands within it fails (returns non-zero exit status)
during execution. This can save you waiting to the end of execution when some
intermediate step has failed, and also help to identify at exactly which step your
workflow is breaking.
Command Substitution
--------------------
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