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+--- الموضوع: script input_password= in shell script (/showthread.php?tid=12)
script input_password= in shell script - ftth - 11-04-2025
To obtain a password input in a shell script without echoing the characters to the terminal, the read command with the -s option is typically used.
Here is an example:
كود:
#!/bin/bash
echo "Enter your password:"
read -s password_variable
echo # Add a newline after silent input
echo "Password has been entered."
# You can now use $password_variable in your script
# For example:
# echo "The entered password is: $password_variable" # Be cautious with echoing seExplanation:
echo "Enter your password:": This line displays a prompt to the user.
read -s password_variable:
read: This command reads a line of input from the user.
-s: This option makes the input silent, meaning the characters typed by the user will not be displayed on the screen.
password_variable: This is the name of the variable where the entered password will be stored.
echo: After the silent input, it is good practice to add an echo command to print a newline, ensuring subsequent output starts on a new line.
Important Security Considerations:
Avoid storing passwords in plain text: Do not store the entered password directly in files or environment variables if possible, as this poses a security risk.
Use secure methods for password handling: For more complex scenarios, consider using tools like expect for automating interactions with programs requiring passwords or integrating with secure credential management systems.
Limit exposure of sensitive information: Be mindful of where and how you use the password_variable to prevent accidental disclosure.