Re: Quotes inserted into command

[Andreas Schwab]

"Matt Kane" <mkane@choicestream.com> writes:

> Hello,
>
> I've got a script that does the following:
> JAVA=/usr/bin/java
> JAVA_W_CLASSPATH="$JAVA -cp \"$classpath\" "
> $JAVA_W_CLASSPATH com.choicestream.foo
> echo $JAVA_W_CLASSPATH
>
> I've noticed that on different versions of bash, it behaves differently.
> Bash 3.0 will execute:
> /usr/bin/java -cp "/path/to/classes" com.choicestream.foo
> And display the same.
>
> But Bash 3.1 and 3.2 put single quotes around the double quotes when
> executing.
> /usr/bin/java -cp '"/path/to/classes"' com.choicestream.foo
> But it will display:
> /usr/bin/java -cp "/path/to/classes" com.choicestream.foo

There is no difference between the versions, the executed command is
always the same.  If you want the quotes to be reinterpreted you need to
use eval.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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