What are AWK patterns?
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How do you Explicit File output?
What is the use of string functiong sub(regex,replacement,string)?
How to display even number of records into one file and odd number of records into another file?
What is the use of PRINTF?
What is NF in AWK?
What is the use of OFMT?
What is the use of FIELDWIDTHS?
What is the use of numeric function atan2?
What is the use of RSTART, RLENGTH and match ?
What is OFS in AWK?
What is the use of format specifier %% ?
What is the use of string function toupper(string)?