拷贝linux命令到指定目录

#!/bin/bash
#
#********************************************************************
#encoding  -*-utf8-*-
#Author:                zhangshang
#Date:          2017-12-31
#URL:           http://blog.vservices.top/myblog
#QQ Numbers: 765030447
#********************************************************************
#这个脚本是用来拷贝一个命令到一个新的目录下
#用来实现文件复制
function cp_file(){
        local src_file=$1
        local dst_path=$2
        [ ! -e $dst_file ] && mkdir -pv $dir
        \cp $1 $2/ #忽略提示，直接覆盖
}
#多重判断PATH下是否有指定命令
function test_cmd(){
        local count=0
        [ -z $1 ] && { echo "Please gave a argument !" ; return 1 ;}
        for i in `echo $PATH | tr -s ':' '\n'`; do
                local cmd=`find $i  -maxdepth 1 -name $1 2>/dev/null`
                [ -L "$cmd" ] && echo "$cmd is a symblink!" && continue
                [ ${#cmd} -eq 0 ] && continue
                echo $cmd
                local count+=1
        done
        #判断是否是shell命令
        if [ "$count" -eq 0 ];
                then
                local tmp=`type $1 2>/dev/null | egrep -i ".+shell.+" | wc -l`
                if [ $tmp -eq 0 ]
                        then
                        echo -e "\033[31mNo this command: \"$1\"\033[0m" && return 1
                else
                        echo -e "\033[31m\"$1\" is a shell command\033[0m" && return 1
                fi
        elif [ "$count" -gt 1 ];then echo -e "\033[31mThis command have more than 1: \"$1\"\033[0m" && return 1
        fi
}
#取出命令的库文件,并复制
function cmd_so(){
        local full_cmd=`which $1`
        [ -d "$2/lib" ] || mkdir -pv $2/lib
        for lib in `ldd $full_cmd |egrep -o  "/[^[:space:]]+" ` ; do
                cp_file $lib $2/lib
        done
}
#读取当前文件夹下的cmd_list文件并逐个复制到指定目录;启用这个模式在执行shell时需要1个参数，$1为拷贝目的路径
function read_file(){
        while read cmd_ready;do
                test_cmd $cmd_ready
                if [ $? -eq 0 ];then
                        local full_cmd=`which $cmd_ready`
                        cp_file $full_cmd $1
                        cmd_so $cmd_ready $1
                fi
        done <./cmd_list
}
#交互式每次复制完成一个命令后，不要退出，而是提示用户键入新的要复制的命令，并重复完成上述功能；直到输入q退出；启用这个模式在执行shell时需要一个参数,$1为拷贝目的路径
function interact_cp(){
        local short_cmd=''
        while true; do
                read -p "enter you cmd : " short_cmd
                        if [ "$short_cmd" == "q" ] ; then
                                break
                        fi
                test_cmd $short_cmd
                if [ $? -eq 0 ];then
                        local full_cmd=`which $short_cmd`
                        cp_file $full_cmd $1
                        cmd_so $short_cmd $1
                fi
        done
}
read_file $1
#interact_cp $1