[英]username, password program in bash
I have a program that asks input from user on their username and password then stores it in a text file column one is usernames and column 2 is passwords, i need a command that replaces the password when the user inputs their username and new password, heres what i have我有一个程序,要求用户输入用户名和密码,然后将其存储在文本文件中,第一列是用户名,第二列是密码,我需要一个命令来在用户输入用户名和新密码时替换密码,这里是我有什么
#!/bin/bash
#admin menu
#Register User
echo enter the username of the user you want to register.
read reguser
echo enter the password of the user you want to register.
read regpass
User_Pass="username_pass.txt"
if [ ! -e "$User_Pass" ];
then
echo "Creating Username and Passwords file"
touch $User_Pass
fi
echo "$reguser $regpass" | cat >> $User_Pass
echo user succesfully registered.
#Change Password
echo "Enter the username you want to change the password for"
read change1
change2=$(grep -q $change1 username_pass.txt)
if [ $change2=0 ];
then
echo enter your new password
read newpass
awk -v newpass="$newpass" -v change1="$change1" '$1 ~ change1 {$2 = newpass}' username_pass.txt
#i tried this but it didnt work
echo "password changed!"
else
echo "no such username."
fi
您可以使用sed
sed -i "s/$change1.*/$change1 $newpass/" username_pass
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