runCommand -package:wai-app-static -package:io-streams -package:github-release -package:options -package:xmonad-contrib -package:quickcheck-state-machine -package:pandoc-plot
Runs a command using the shell.
Run an external command on the specified DotRepr
. Remember to
on the Handle
for the output
function if necessary.
If the command was unsuccessful, then a GraphvizException
For performance reasons, a temporary file is used to store the
generated Dot code. As such, this is only suitable for local commands.
Run command against the database and return its result
runCommand1 foo = runCommand [foo =: 1]
Called before a command is about to run. The first argument is the
step index and the second is a string representing the command about
to be run.
Default to True
. Should you run command line actions, set to
to skip actions whose output streams and exit code are
not used. Useful for profiling the non-command portion of the build