[OT] Evaluate strings in bash
Matias Surdi
matiassurdi at gmail.com
Thu Aug 21 10:44:47 UTC 2008
Oliver Fromme escribió:
> Matias Surdi wrote:
> > Oliver Fromme escribió:
> > > Matias Surdi wrote:
> > > > Oliver Fromme escribió:
> > > > > Matias Surdi wrote:
> > > > > > # echo $BINMAKE
> > > > > > `if [ -x /usr/obj/usr/src/make.i386/make ]; then echo
> > > > > > /usr/obj/usr/src/make.i386/make; else echo make; fi` -m /usr/src/share/mk
> > > > > >
> > > > > > I'd like to have a second variable like:
> > > > > > [code]
> > > > > > # echo $newvariable
> > > > > > make -m /usr/src/share/mk
> > > > >
> > > > > # newvariable=`eval echo $BINMAKE`
> > > >
> > > > I've already tried that, but doesn't work.
> > >
> > > It does work. Maybe you forgot the "echo" part?
> >
> > Maybe I've not explained it very well, look here:
> > http://www.linuxquestions.org/questions/linux-general-1/bash-strings-evaluation-664094/
>
> You have explained it well enough, I think, and the
> solution I explained above works fine. If it doesn't
> work for you, then you did it wrong. The solution
> written at the URL you mentioned is unnecessarily
> complicated.
>
> $ echo $BINMAKE
> `if [ -x /usr/obj/usr/src/make.i386/make ]; then echo /usr/obj/usr/src/make.i386/make; else echo make; fi` -m /usr/src/share/mk
> $ newvariable=`eval echo $BINMAKE`
> $ echo $newvariable
> make -m /usr/src/share/mk
> $
>
> Best regards
> Oliver
>
You are right, this works fine also.I've forgot the "echo".
Thanks for your help.
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