Re: [Condor-users] changing requirements after a job is submitted

["Dr Ian C. Smith" <i.c.smith@xxxxxxxxxxxxxxx>]

--On 18 April 2005 15:57 +0100 Matt Hope <matthew.hope@xxxxxxxxx> wrote:

> On 4/18/05, Kewley, J (John) <j.kewley@xxxxxxxx> wrote:
> > > > Make damn sure you get it right or you'll be VERY annoyed...
> > >
> > > Maybe this is interesting for you,
> > >
> > > For some reason, you have to write three quotation marks to
> > > edit a string
> > > value if you use Condor for Windows. For example, if you want
> > > to change the
> > > requirements from WINNT50 to WINNT51 you have to write
> > >
> > > Condor_qedit requirements """WINNT51"""
> >
> > Would
> > Condor_qedit requirements '"WINNT51"'
> >
> > not work?
> >
> > In Unix and Linux you'd have to protect your params from the shell, I'd
> > have thought the above would work in that case. If you are doing it from
> > within a .cmd/.bat file then I suspect some other sort of quoting would
> > be neccessary.
>
> The cmd shell's escaping would appear not so well documented as for bash.
>
> I find running most commands from cygwin much easier...
>
> then just remember to escape any " which is not itself being used for
> grouping a string with whiespace into one argument
>
> so
>
> condor_qedit Requirements "OpSys == \"WINNT51\" || OpSys == \"WINNT52\""
> works.
>
> cmd does not remove the surrounding quotes used to perform grouping
> when passing the arguments along
>
> [winXP]
> > echo "foo bar"
> "foo bar"
> Contract this with bash [cygwin]:
>
> $ echo "foo bar"
> foo bar

Not sure if this was clear but I was using Solaris/ksh so the single quotes
worked fine. I guess if there were single quotes in the attribute-value
there would be problems - but I don't think Condor uses single quotes ????

> motto - if you want to use command lines with potentially dangerous
> chracters then
>
> 1) learn your command line shell
> 2) if 1 is unworkable get a new one :)

3) keep a supply of paracetamol handy - particularly if using sed, awk ...

-ian.

> Matt
>
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