Joe Chung
Monmouth U. Homepage

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Conditional command chaining is often used in scripts. Are the following code blocks equivalent?

Code block 1:

if [ ! -d /tmp/winders-in-use ]; then
   /home/vmwin1/bin/vmwinoff            # vmwinoff is a shell script
fi

Code block 2:

[ ! -d /tmp/winders-in-use ] || /home/vmwin1/bin/vmwinoff

<poll Are the above code blocks equivalent? (1)>

• Yes
• No

</poll>

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