What is the use of string function substr(string,position) in AWK?
Usage of And/Or/Not operators in AWK?
Write a command to rename the files in a directory with "_new" as postfix?
What is the use of PRINTF?
Write a command to print the line number before each line?
Write a command to print the fields in a text file in reverse order?
What is the use of string function asort(string,[d])?
Write a command to print first and last line using sed command?
What are AWK Numerical Functions?
What is the use of string functiong sub(regex,replacement,string)?
What are AWK patterns?
How to execute an AWK script?
What is the use of string function match(string,regex)?
What is the use of ERRNO?
What is the use of ARGV ?