shell find: command not found

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#!/bin/sh#author  : pengzhi#brief   : 批量转换文件到 指定编码#todo    : 优化升级 方向 自动检查文件类型 转换到统一的目标类型PATH=`pwd`NAME=""FROM_ENCODE="GBK"TO_ENCODE="UTF-8"function help(){    echo "Usage : sh iconv.sh -p <path> -n <name> -f <from_encode> -t <to_encode>"    echo "e.g.  : sh iconv.sh     Iconv ./ all files from gbk to utf8"    echo "e.g.  : sh iconv.sh -p ./ -n *.php  Iconv ./*php from gbk to utf8"}function main(){    for i in `find "${PATH}"  -type f -name "${NAME}"`;    do          echo $i         echo ${i}.tmp           /usr/bin/iconv -f ${FROM_ENCODE} -t ${TO_ENCODE}  $i>${i}.tmp        /bin/mv ${i}.tmp $i;                     done         }while getopts "p:n:f:t:h" optdo    case $opt in        p)echo "opt=p arg=${OPTARG}";        PATH=$OPTARG;;        n)echo "opt=n arg=${OPTARG}";        NAME=$OPTARG;;        f)echo "opt=f arg=${OPTARG}";        FROM_ENCODE=$OPTARG;;        t)echo "opt=t arg=${OPTARG}";        TO_ENCODE=$OPTARG;;        h)echo "opt=h"        help;        exit 1;;        ?)echo "opt=?"        help;        exit 1;;        *)echo "opt=*"        help;        exit 1;;    esacdoneif [[ $NAME"x" == "x" ]];then    help;    exit 1;fiif [[ $PATH"x" == "./x" ]];then    PATH=`pwd`fiecho "*****************************************";echo "PATH               :    ${PATH}";echo "NAME               :    ${NAME}";echo "FROM_ENCODE        :    ${FROM_ENCODE}";echo "TO_ENCODE          :    ${TO_ENCODE}";main;echo "Finished";

原因分析 PATH变量覆盖了系统默认的环境变量PATH导致

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