Thanks, I knew it had to be something simple like that!!
Ed
On Fri, 19 Aug 2011, Malcolm J. Currie wrote:
>> $ maths exp="sqrt(ia*ia - ib*ib)" ia=s8a20110719_00014_0003_nep.sdf
>
> I always omit spaces in TRANSFORM expressions on the command line to avoid
> parsing issues,
>
> maths exp="sqrt(ia*ia-ib*ib)"
>
> Otherwise you need to escape the quotes because of the spaces
>
> maths exp='"sqrt(ia*ia - ib*ib)"'
>
> as the double quotes need to be passed literally to the application.
>
> Malcolm
>
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