csh小數(shù)乘法

icefishxmg

#!/bin/csh
set RX1 = -1
set RX2 = -2.2
set RX = `expr "(" $RX1 "*" "$RX2" ")"`
echo $RX

以上腳本執(zhí)行的時(shí)候報(bào)錯(cuò)
expr: not a decimal number: '-2.2'
應(yīng)該怎么修正呢？

jason680

回復(fù) 1# icefishxmg

set RX = `echo $RX1 $RX2 | awk '{print $1*$2}'`