compilation using matlab and bash scripting

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Mateusz 2012-2-22

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编辑： Mohammad Monfared 2013-10-21

I have a bash script where I invoke the matlab compiler with some arguments, that is mcc ${MCC_ARGUMENTS}. Now I would like to issue this command from matlab, but still inside the bash script. Something like:

MCC_ARGUMENTS="..." # here I set arguments for mcc

matlab -nodisplay -r "mcc ${MCC_ARGUMENTS}, quit"

However this solution doesn't work, it seems MCC_ARGUMENTS is not evaluated.

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回答（1 个）

Jason Ross 2012-2-22

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I think your decorations around MCC_ARGUMENTS are wrong, and you need to escape the quotes since you need them in the actual command. For example,

#!/bin/bash
MCC_ARGUMENTS="-a -b -c"
MATLAB_STRING="matlab -nodisplay -r \"mcc $MCC_ARGUMENTS, quit\""
echo $MATLAB_STRING

You can take out the "echo" to execute the command.

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Jason Ross 2012-2-23

hmmm. Nothing pops out there. If you echo out MCC_ARGUMENTS, does it look right?

Seems something in the expansion process is eating a quote.

Jason Ross 2012-2-23

FWIW when I've run into this kind of thing the only way I've been able to figure out where quotes are being eaten is to gradually "reveal" the line or break it up into smaller segments, then put it all together at once, like

ARG1 = stuff

ARG2 = "more stuff"

then at the end you do

MY_BIG_COMMAND = ARG1 ARG2 ARG3

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