9 lines
127 B
Awk
9 lines
127 B
Awk
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/^([0-9]+(\.[0-9]*)?|\.[0-9]+)([Ee][-+]?[0-9]+)?$/ {
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print $0 " is a literal number."
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next
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}
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{
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print $0 " is not valid."
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}
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