What are Arithmetic Expressions in AWK?
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What are Regular Expressions in AWK?
What is the use of sequence f?
Write a command to find the total number of lines in a file without using nr?
What is the use of CONVFMT?
What is the use of string function toupper(string)?
Write a command remove all empty lines?
Write a command to print the fields in a text file in reverse order?
What is the use of OFMT?
What is the use of string function tolower(string)?
What is the use of format specifier %c ?
What is the use of sequence v ?
What is NR in AWK?