awk substr example
Iflengthisnotpresent,substr()returnsthewholesuffixofstringthatbeginsatcharacternumberstart.Forexample,substr(washington,5)returns ...,HiIhaveatablelikethisIwanttoknowhowmanytimesthestringin2ndcolumnappearsinthefirstcolumnassubstring.Forexamplethe...
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GNUawksupportsasub-stringextractionfunctiontoreturnafixedlengthcharactersequencefromamainstring.Thesyntaxis*substr(string,start[ ...
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