redirecting with lines number

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Print number of lines for files in directory, also print number of unique lines

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Number of lines in vi

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Grep lines for number greater than given number

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redirecting arguments in a script to multiple lines in a .txt file

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count the number of lines that start with the number

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Appending line number to each line and getting total number of lines

Hello, I need help in appending the line number of each line to the file and also to get the total number of lines. Can somebody please help me. I have a file say: abc def ccc ddd ffff The output should be: Instance1=abc Instance2=def Instance3=ccc Instance4=ddd Instance5=ffff ...

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