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摘要： Hadoop注意事项 阅读全文

摘要： 1.bc计算平方和2的n次方#!/bin/bashsquare(){echo "square of $1 is \c"echo "$1*$1"|bc}########################cube(){echo "cube of $1 is \c"echo "2^$1"|bc}#######################power(){echo "raising 2 to the power of $1 is \c"}while getopts s:c:p: optiondocase 阅读全文