Enforced immutability: Difference between revisions
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The Unix shell does not support constants, but variables can be marked as readonly for the same effect. |
The Unix shell does not support constants, but variables can be marked as readonly for the same effect. |
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{{works with|Bourne Shell}} |
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<lang sh>PIE=APPLE |
<lang sh>PIE=APPLE |
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readonly PIE</lang> |
readonly PIE</lang> |
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==={{header|C Shell}}=== |
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<lang csh>set -r PIE = APPLE</lang> |
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=={{header|XPL0}}== |
=={{header|XPL0}}== |
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