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Function definition: Difference between revisions
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Note that in the Unix shell, function definitions do not include any argument specifications within the parentheses. Instead arguments to functions are obtained using the positional parameters.
{{works with|Bourne Shell}}
<lang
# There is never anything between the parentheses after the function name
# Arguments are obtained using the positional parameters $1, and $2
# The return is given as a parameter to the return command
return `expr "$1" \* "$2"` # The backslash is required to suppress interpolation
}
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