How to execute an AWK script?
What are System functions?
What is the use of string function tolower(string)?
What is the use of string functiong sub(regex,replacement)?
What is the use of string function substr(string,position) in AWK?
What are Associative Arrays?
What is the use of string functiong sub(regex,replacement,string)?
How to print only blank line of file?
What is the use of string function length(string) in AWK?
Write a command to find the sum of bytes (size of file) of all files in a directory?
What is the use of string function asort(string,[d])?
What is the use of FNR?
Write a command to print the fields in a text file in reverse order?
What is the use of string function match(string,regex)?
Write a command to print zero byte size files?