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Answers and rating deltas for

In Linux shell scripts what does 'x=${1:3:1}' mean?

Author Votes Δ
manuj 6 +4.07
sorontar 2 +2.05
bishop 1 -0.18
Ipor Sircer 1 -0.85
russell 0 -3.81
Last visited: Feb 14, 2017, 2:27:53 PM