varname.sh calc.sh und constant.sh
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27
teil10/calc.sh
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27
teil10/calc.sh
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# calc.sh
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a=5
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b=10
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# Summenbildung falsch
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summe=a+b
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echo "Summe falsch: ${summe}"
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# Summenbildung korrekt
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let c=a+b
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echo "Summe: ${c}"
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let d=b-a
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echo "Differenz: ${d}"
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e=$(expr ${a} \* ${b})
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echo "Multiplikation: ${e}"
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let f=b/a
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echo "Division: ${f}"
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6
teil10/constant.sh
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6
teil10/constant.sh
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# constant.sh
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readonly const=1
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const=2
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5
teil10/varname.sh
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5
teil10/varname.sh
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var='var'
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VAR='VAR'
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echo ${VAR}
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echo ${var}
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