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Task/Text-processing-2/AWK/text-processing-2-1.awk
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Task/Text-processing-2/AWK/text-processing-2-1.awk
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bash$ awk '/[eE]/' readings.txt
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bash$
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Task/Text-processing-2/AWK/text-processing-2-2.awk
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Task/Text-processing-2/AWK/text-processing-2-2.awk
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bash$ awk 'NF != 49' readings.txt
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bash$
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Task/Text-processing-2/AWK/text-processing-2-3.awk
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Task/Text-processing-2/AWK/text-processing-2-3.awk
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bash$ awk '!(/^[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]([ \t]+[-]?[0-9]+\.[0-9]+[\t ]+[-]?[0-9]+)+$/ && NF==49)' readings.txt
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bash$
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Task/Text-processing-2/AWK/text-processing-2-4.awk
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Task/Text-processing-2/AWK/text-processing-2-4.awk
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bash$ awk --re-interval '!(/^[0-9]{4}-[0-9]{2}-[0-9]{2}([ \t]+[-]?[0-9]+\.[0-9]+[\t ]+[-]?[0-9]+){24}+$/ )' readings.txt
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bash$
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Task/Text-processing-2/AWK/text-processing-2-5.awk
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Task/Text-processing-2/AWK/text-processing-2-5.awk
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bash$ awk '++count[$1]==2{print $1}' readings.txt
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1990-03-25
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1991-03-31
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1992-03-29
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1993-03-28
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1995-03-26
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bash$
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Task/Text-processing-2/AWK/text-processing-2-6.awk
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Task/Text-processing-2/AWK/text-processing-2-6.awk
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bash$ awk '{rec++;ok=1; for(i=0;i<24;i++){if($(2*i+3)<1){ok=0}}; recordok += ok} END {print "Total records",rec,"OK records", recordok, "or", recordok/rec*100,"%"}' readings.txt
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Total records 5471 OK records 5017 or 91.7017 %
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bash$
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