exec command and error checking

[Марк Коренберг <socketpair@xxxxxxxxx>]

$ dpkg -l | fgrep dash
ii  dash                                   0.5.7-2ubuntu2
                POSIX-compliant shell

$ exec 9<no_such_file && echo TEST
dash: 1: cannot open no_such_file: No such file

$ exec 9<no_such_file || echo TEST
dash: 2: cannot open no_such_file: No such file

So, I cannot test this operation without using $?

in BASH this works as expected (even in sh mode)

-- 
Segmentation fault
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