10 lines
464 B
Bash
10 lines
464 B
Bash
multiply() {
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# There is never anything between the parentheses after the function name
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# Arguments are obtained using the positional parameters $1, and $2
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# The return is given as a parameter to the return command
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return `expr "$1" \* "$2"` # The backslash is required to suppress interpolation
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}
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# Call the function
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multiply 3 4 # The function is invoked in statement context
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echo $? # The dollarhook special variable gives the return value
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