一个shell脚本的实践

 

一、生成htpasswd的账号密码 htpasswd.sh

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#!/bin/bash   # define restricted path PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin export PATH     # adirname - return absolute dirname of given file adirname() { odir=`pwd`; cd `dirname $1`; pwd; cd "${odir}"; }     # --------- # constants # --------- MYNAM=`basename "$0"` MYDIR=`adirname "$0"` HTF=${MYDIR}/htpasswd/auth.secrets   # --------- # functions # ---------   message() { echo "$@"; }    # message - output message on stdout error() { echo "$@" >&2; }  # error - output message on stderr die() { error "$@"; exit 1; }   # die - output message on stderr and exit   # check uid (should be root) [ `id -u` -eq "0" ] ||     die "${MYNAM}: this should be run as root only!"   echo "=====================================" echo "# A tool like htpasswd for Nginx    #" echo "#-----------------------------------#" echo "# Author: wang hengzhi                #" echo "====================================="     #set UserName   username="" read -p "Please input UserName: " username if [ "$username" = "" ]; then     echo "Error:UserName can't be NULL!"     exit 1 fi echo "===========================" echo "UserName was: $username" echo "==========================="     #set password   unpassword="" read -p "Please input the Password: " unpassword if [ "$unpassword" = "" ]; then     echo "Error:Password can't be NULL!"     exit 1 fi echo "===========================" echo "Password was: $unpassword" echo "===========================" password=$(/usr/bin/perl -e 'print crypt($ARGV[0], "W18-salt-hash")' $unpassword)     #set htpasswd file   htfile="" read -p "Please input Auth filename(${HTF}): " htfile if [ "$htfile" = "" ]; then     htfile="${HTF}" fi echo "===========================" echo "Auth File: $htfile" echo "===========================" if [ -f $htfile ]; then     echo "Auth File: exist !" else     echo "Auth File: not found !" fi echo "==========================="   echo "" read -p "Press any key to Create...or Press Ctrl+c to cancel" T     if [ -f $htfile ]; then     echo "Modify Auth file......"     sed -i "/${username}:/d" $htfile else     echo "Create Auth file......" fi echo "${username}:${password}" >> $htfile echo "Write Auth file successful,auth file path: $htfile."   echo -e "\n\n"

　

二、仅显示htpasswd 的账号密码echo_htpasswd.sh

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#!/bin/bash   # define restricted path PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin export PATH     # adirname - return absolute dirname of given file adirname() { odir=`pwd`; cd `dirname $1`; pwd; cd "${odir}"; }     # --------- # constants # --------- MYNAM=`basename "$0"` MYDIR=`adirname "$0"` HTF=${MYDIR}/htpasswd/auth.secrets   # --------- # functions # ---------   message() { echo "$@"; }    # message - output message on stdout error() { echo "$@" >&2; }  # error - output message on stderr die() { error "$@"; exit 1; }   # die - output message on stderr and exit   # check uid (should be root) #[ `id -u` -eq "0" ] || #    die "${MYNAM}: this should be run as root only!"   echo "=====================================" echo "# A tool like htpasswd for Nginx    #" echo "#-----------------------------------#" echo "# Author: wang hengzhi                #" echo "====================================="     #set UserName   username="" read -p "Please input UserName: " username if [ "$username" = "" ]; then     echo "Error:UserName can't be NULL!"     exit 1 fi echo "===========================" echo "UserName was: $username" echo "==========================="     #set password   unpassword="" read -p "Please input the Password: " unpassword if [ "$unpassword" = "" ]; then     echo "Error:Password can't be NULL!"     exit 1 fi echo "===========================" echo "Password was: $unpassword" echo "===========================" password=$(/usr/bin/perl -e 'print crypt($ARGV[0], "W18-salt-hash")' $unpassword)   echo -e "\n\n"   echo "${username}:${password}"   echo -e "\n\n"