Short Circuit Logic
<<<< ^^^^^ >>>>
exit 0
exit 1
./ || echo zero or
./ || echo one or
./ && echo zero and
./ && echo one and
./ || echo nonexistent or
./ && echo nonexistent and
test "a" = "a" || echo test \"a\" = \"a\" or
test "a" = "a" && echo test \"a\" = \"a\" and
test "a" = "b" || echo test \"a\" = \"b\" or
test "a" = "b" && echo test \"a\" = \"b\" and
<<<< ^^^^^ >>>>

Copyright (C) 2005 by Steve Litt, you can freely distribute unmodified copies if this copyright notice and disclaimer are intact.  This material originally appeared on Troubleshooters.Com.

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