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22 lines
216 B
Bash
22 lines
216 B
Bash
#!/usr/bin/env bash
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add() {
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echo $[ $1 + $2 ]
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}
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sub() {
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echo $[ $1 - $2 ]
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}
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mul() {
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echo $[ $1 * $2 ]
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}
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div() {
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if [[ $2 -ne 0 ]]; then
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echo $[ $1 / $2 ]
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else
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echo -1
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fi
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}
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