awk gsub example
2011年12月27日—Theawkfunctionsplit(s,a,sep)splitsastringsintoanawkarrayausingthedelimitersep.settime=12:34:56sethr=`echo$time|awk' ...,Sincegsub()returnsthenumberofsubstitutionsperformedandallofyourinputlinescontainedaspacecharacter;changingeachs...
String Functions (The GNU Awk User's Guide)
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Thegsub()functionreturnsthenumberofsubstitutionsmade.Ifthevariabletosearchandalter(target)isomitted,thentheentireinputrecord($0) ...
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