What is the use of string functiong sub(regex,replacement,string)?

857

What is the use of string function substr(string,position) in AWK?

885

What is the use of string function index(string,search) in AWK?

828

Write a command to find the total number of lines in a file without using nr?

471

What is the use of ARGIND?

1004

What are Unary arithmetic operators?

855

What is the use of string function substr(string,position,max) in AWK?

871

How to display even number of records into one file and odd number of records into another file?

479

Write a command to print zero byte size files?

479

How do you Explicit File output?

836

What is the use of string function sub(regex,replacement,string)?

935

What is the use of string function length(string) in AWK?

837

What is the use of string function asort(string,[d])?

866

What are System functions?

1007

What is the use of string function tolower(string)?

804