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Ingy döt Net 2013-04-11 01:07:29 -07:00
parent b83f433714
commit 68f8f3e56b
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Task/Substring/UNIX-Shell/substring-4.sh Normal file
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#!/bin/sh
str=abcdefghijklmnopqrstuvwxyz
n=12
m=5
printf %s "$str" | cut -c $n-`expr $n + $m - 1`
printf %s "$str" | cut -c $n-
printf '%s\n' "${str%?}"
printf q%s "${str#*q}" | cut -c 1-$m
printf pq%s "${str#*pq}" | cut -c 1-$m