What is the use of numeric function srand ?
What is the use of ARGIND?
What is the use of FNR?
What are Regular Expressions in AWK?
What is RS in AWK?
What is NR in AWK?
What is ORS in AWK?
Write a command to print the line number before each line?
What is the use of string function match(string,regex)?
What is the use of sequence v ?
Write a command to rename the files in a directory with "_new" as postfix?
What is the use of format specifier %% ?
What is the use of string functiong sub(regex,replacement)?