What are AWK patterns?
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What is the use of sequence f?
Write a command to print first and last line using sed command?
What are Associative Arrays?
How to exit from an awk script using the exit command?
What is the use of sequence ?
What are Unary arithmetic operators?
What is the use of format specifier %x ?
What is the use of numeric function srand ?
What is the use of format specifier %c ?
What is the use of CONVFMT?
What is the use of string function substr(string,position,max) in AWK?
Write a command remove all empty lines?