Josh Paetzel 6e545fce9a Fix a syntax error in a little-used function.
Replace expr with $(())
Replace grep > /dev/null with grep -q
Replace "$?" = "0" with $? -eq 0 in tests
Consolidate export statements with variable assignment
Replace tests for ! -z with -n

Approved by:	kib (mentor)
2011-03-27 16:57:54 +00:00
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