What is FILENAME in AWK?
What is the use of string function tolower(string)?
What is the use of sequence a?
What is the use of sequence ?
What is the use of string function substr(string,position,max) in AWK?
What is the use of numeric function exp ?
What is the use of string function sub(regex,replacement,string)?
How add a first record and last record to the current file in linux?
Which shell to use with AWK?
What is the use of sequence ?
What is the use of PRINTF?
What is NF in AWK?
What is NR in AWK?