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awk: add print every nth line example (#2008)
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@ -21,3 +21,7 @@
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- Sum the values in the first column and pretty-print the values and then the total:
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`awk '{s+=$1; print $1} END {print "--------"; print s}' {{filename}}`
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- Print every third line starting from the first line:
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`awk 'NR%3==1' {{filename}}`
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