On 5/30/05, m ike <[EMAIL PROTECTED]> wrote:
> this
>
> convert -draw "line 10,10,20,20" text.jpg out.jpg
>
> draws a line on the image from 10,10 to 20,20
>
> so does this:
>
> g="line 10,10,20,20"
> convert -draw "$g" text.jpg out.jpg
>
> but this chokes:
>
> g='-draw "line 10,10,20,20"'
> echo $g
> convert $g text.jpg out.jpg
>
> appearantly convert is seeing "line 10,10,20,20" as two
> arguments, divided at the space.
quote the argument, weakly
echo "$g"
For lots of information see "A Guide to Unix Shell Quoting"
< http://www.mpi-sb.mpg.de/~uwe/lehre/unixffb/quoting-guide.html >
For complete information overload, Google with keywords
unix shell quoting
carl
--
carl lowenstein marine physical lab u.c. san diego
[EMAIL PROTECTED]
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