POSIX compliance is exactly the heart of this. Just because dash *claims* to
comply
with the standard doesn't necessarily mean that it *actually* does.
Specifically, as quoted in bug #92189, section 2.6.4 of IEEE 1003.1 states
If the shell variable x contains a value that forms a valid int
Public bug reported:
Binary package hint: dash
On feisty, dash is installed with a symlink to /bin/sh. This breaks POSIX
1003.1 compliant scripts as
demonstrated below:
[EMAIL PROTECTED] dash
$ x=3
$ echo $(( x + 4 ))
dash: arith: syntax error: " x + 4 "
$ echo $(( $x + 4 ))
7
As stated in th
