10 lines
304 B
Bash
10 lines
304 B
Bash
#!/bin/sh
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multiply 3 4 # This will not work
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echo $? # A bogus value was returned because multiply definition has not yet been run.
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multiply() {
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return `expr $1 \* $2` # The backslash is required to suppress interpolation
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}
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multiply 3 4 # Ok. It works now.
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echo $? # This gives 12
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