bash $X++ sintax

[Neil Watson]

I just discovered that 
let "X++" 
works also but, I don't think that is portable.  What about the perl
operator .= ?

-- 
Neil Watson             | Gentoo Linux
System Administrator    | Uptime  14:22:14 up  8:14,  2 users,  load average: 0.00, 0.00, 0.00
http://watson-wilson.ca | 2.6.11.4 AMD Athlon(tm) MP 2000+ x 2
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