You can use cat -E or –show-ends option to display a dollar sign ($) at each line ending.
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## Add data in your file echo -e "one\ntwo\n\nthree" > myfile ## Display a dollar sign ($) at each line ending cat -E myfile ## returns $ at the end of each line even if the line is empty ## one$ ## two$ ## $ ## three$ ## Without any options cat myfile ## returns ## one ## two ## ## three |