Get nth character in a String in Linux

This is a  very popular Unix question, How to get 3rd char from a 3rd column of a tab delimited file ? We are usually know how to get the nth column by using "CUT" or "AWK" command. But not aware with this "CUT" options which can give the particular column. Lets see how to use this -


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	# To get 4th char from a string
	echo 123456789 | cut -c4
	# To get 7th char from a string
	echo 123456789 | cut -c7
	# To get 3rd and 4th char from a string
	echo 123456789 | cut -c3,4
	# To get 3rd char and so on from a string
	echo 123456789 | cut -c3-

view raw NthCharInString.sh hosted with ❤ by GitHub

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