Improving bash startup speed

Jarod Cline
Sun Jan 14 21:04:00 GMT 2007


I have a (non cygwin) application that calls several bash scripts in
response to user input, but it really has problems with performance.
Sometimes it takes over 10 seconds for the (simple 3-4 lines) scripts
to complete, which is a really long time for the user to wait in an
interactive situation.

I have tried setting $BASH_ENV to point to a script that just sets the
path, so that I could avoid the big login scripts and this gave me
some speedup. The order and timing of execution depends on user input
so I can not just put all the scripts in one big script.

Some part of the problem may be an inherent slowness of the
CreateProcess call, but I would still like to know if there are any
settings I can tweak to make bash startup faster.



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