How do I ask "if NOT" in shell?

[M.R.Murphy]

>kirkaas at oahu.cs.ucla.edu (paul kirkaas) writes:
>How can one say "if not" in a shellscript; that is, execute the body of
>the "then" only if the argument of "if" returns a non-zero exit status?

Might be a Good Thing to look up how && and || work, especially with { and }.
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Mike Murphy  Sceard Systems, Inc.  544 South Pacific St. San Marcos, CA  92069
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