shell脚本,if判断语句报错[: too many arguments 我遇到过两种情况: 1.第一中情况就是网上大家说的,字符串变量中可能存在空格,shell解析时将其认为是多个参数,再进行判断时,无法知道该获取哪个值,例如: 脚本ee.sh: strings1="hello world" strings2="hello world" if [ $strings1 = $strings2 ] then echo "strings1 i
1. 统计的对象words.txt,每个单词占一行(从简考虑了~) zjd@ubuntu:~/test$ cat word.txt used this count mysql count this used mysql linux this redis apple android redis apple 2. 统计每个单词的频率 方法1: zjd@ubuntu:~/test$ cat word.txt |awk '{a[$0]++}END{for(i in a) print i"="
#! /bin/bash array=( ... ) var1= var2= ;i<=;i++)); do array[i]="$( cat /sys/bus/iio/devices/iio\:device0/in_voltage6_raw )" # echo ${array[i]} " ] then " ] then let var1=var1+ fi fi " ] then " ] then let var2=var2+ fi fi s