&& and || together

[ -f unixfile ] && rm unixfile || print “unixfile was not found, or is not a regular file” — to be tested

Finally, multiple commands can be executed based on the result of command1 by incorporating braces and semi-colons:

command1 &

If the exit status of command1 is true (zero), commands 2, 3, and 4 will be performed.

See other post(s) on exit status

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