20 lines
481 B
Text
20 lines
481 B
Text
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# Rename a file only if it is different from a previously existing
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# file of the same name. This is useful for keeping make from doing
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# too much work if the contents of a file haven't changed.
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# This is an MPW translation of the standard GNU sh script move-if-change.
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Set exit 0
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If "`exists -f "{2}"`"
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Compare "{1}" "{2}" >dev:null
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If {status} != 0
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Rename -y "{1}" "{2}"
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Else
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Echo "{2}" is unchanged
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Delete -i -y "{1}"
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End
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Else
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Rename -y "{1}" "{2}"
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End
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