What is the use of string function toupper(string)?
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Write a command delete all line except first line?
What is the use of numeric function srand ?
What is the use of format specifier %e ?
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What is ORS in AWK?
how to run awk command specified in a file?
What is NR in AWK?
What is the use of sequence ?
Write a command to print the fields in a text file in reverse order?
Write a command to print the line number before each line?
Usage of And/Or/Not operators in AWK?
What are Arithmetic Expressions in AWK?