Re: [PLUG] Silly rsh question...

[Guillermo Moyna <g.moyna@usip.edu>]

> | > Now, if I do the same through rsh, I get nothing:
> | >
> | > rsh somemachine echo '$var'
> |
> | That's because rsh is stripping the quotes when it passes them
> | across (arguably a bug,
>
> the quotes are stripped by your local shell, not rsh.
> no bug.
>
> | Try rsh host echo \'$var\'
>
> no. you are then escaping the single quotes, and the local
> shell[1] will try interpolating $var. you need to protect
> against both the local and remote shell, something like:
>
>     rsh host echo \'\$foo\'
>     rsh host echo \\\$foo
>     rsh host echo \''$foo'\'
>     ...
>
> [1] I'm using csh, other shells may have slightly different quoting 
> rules.

Actually, this:

rsh host echo \'$var'

works fine. I now how to figure out how to make this string in a perl 
script so that it can pass it to a system call. Thanks!

Guillermo

+==================-------------- --- -- -  -    -     -
Guillermo Moyna, PhD
Assistant Professor of Chemistry
Department of Chemistry & Biochemistry
University of the Sciences in Philadelphia
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