Arithmetic/Integer: Difference between revisions
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(The ash shell does not have arithmetic expansion) |
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{{works with|Bourne shell}} |
{{works with|Bourne shell}} |
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<lang |
<lang sh>#!/bin/sh |
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read a; read b; |
read a; read b; |
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echo "a+b = " `expr $a + $b` |
echo "a+b = " `expr $a + $b` |
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With SUSv3 parameter expansions: |
With SUSv3 parameter expansions: |
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{{works with|Bourne Again SHell|3.2}} |
{{works with|Bourne Again SHell|3.2}} |
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{{works with|Korn SHell|5.2.14}} |
{{works with|Korn SHell|5.2.14}} |
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