bash: esc space not recognised in cat script ?

[David selby]

Hello again, more thorny bash escaped space problems ...
in $_tox is a file called "this is a test" ....
Below is the portion of code that is causing problems ....
for _scantox in $_tox/* ; do
_scantox=${_scantox// /\\ }
echo $_scantox

cat "$_scantox" | xmessage -fn 9x15 -center -buttons OK,Print,Delete 
-default OK -bg red
-file -
case $? in
       102) cat $_scantox | fmt -w 60 - | lpr;;
       103) rm $_scantox;;
       esac

The output is ... PS script called remind2

[EMAIL PROTECTED]:/usr/local/myfiles/dave/debian/sh files$ ./remind2
/mnt/archive/remind/.tox/this\ is\ a\ test
cat: /mnt/archive/remind/.tox/this\ is\ a\ test: No such file or directory
[EMAIL PROTECTED]:/usr/local/myfiles/dave/debian/sh files$
[EMAIL PROTECTED]:/usr/local/myfiles/dave/debian/sh files$ ls 
/mnt/archive/remind/.tox/this\ is\ a\ test
/mnt/archive/remind/.tox/this is a test
[EMAIL PROTECTED]:/usr/local/myfiles/dave/debian/sh files$
[EMAIL PROTECTED]:/usr/local/myfiles/dave/debian/sh files$

the first echo shows the correct path+formatted file name, complete with 
escape chars
the cat $_scantox throws a wobbly, no such file.

If I cat from the command line, all is OK

[EMAIL PROTECTED]:/usr/local/myfiles/dave/debian/sh files$
[EMAIL PROTECTED]:/usr/local/myfiles/dave/debian/sh files$ cat 
/mnt/archive/remind/.tox/this\ is\ a\ test
yep sure is
[EMAIL PROTECTED]:/usr/local/myfiles/dave/debian/sh files$

so what am I missing ? I just know it is going to be blindingly obvious 
! I have tried quoting and not quoting cat "$_scantox"

Dave

PS I know I can give xmessage a file directly, using cat to simplify 
de-bugging, xmessage gives same fault.





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