shell中比较字符串大小，>和<前需要加上\进行转义，否则会输出到文件了

遇到的问题：进行了目录的字符串大小比较，结果在目录下生成了很多的新文件

解决方法：在>和<的比较符号前增加\转义

 

代码如下：

#/usr/bin/bash

cd /opt/scf/service/deploy/zztradelogic/lib
list=`ls`
for file in $list
do
        eval $(ls|grep $file |awk -F"-" '{printf("name=%s;version=%s;jarname1=%s",$1,$2,$0)}')

        #开始遍历现存的列表，然后进行对比，将重复的较小版本号的jar包删除
        nowlist=`ls`
        #echo $nowlist
        for i in $nowlist
        do
                #eval $(ls|grep $file |awk -F"-" '{printf("name=%s;version=%s;jarname1=%s",$1,$2,$0)}')
                eval $(ls|grep $i | awk -F"-" '{printf("name2=%s;version2=%s;jarname2=%s",$1,$2,$0)}')
                if [ $name = $name2 ]
                then
                        if [ "$version" \< "$version2" ]
                        then
                                echo "$jarname1 比较小，删除"
                                rm -f $jarname1
                        elif [ "$version"  \>  "$version2" ]
                        then
                                rm -f $jarname2
                                echo "$jarname1 比较大，删除较小的$jarname2"
                        fi

                fi
        done

done