September 13 Tenth session Linux shell script programming Basics

Tag: blank linux target password null

Homework

1, request to add a user newuser, if it already exists then display "The user USERNAME is exists", if present, add it and set its password to "[email protected]"

#!/bin/bash
#
Username=newuser1
if! ID $username &>/dev/null;
Then AddUser $username
echo $username | passwd--stdin "[email protected]" &>/dev/null
echo "ADD user $username sucessfully."
Else "The user is exists."
Fi
Exit

2, write a script, if a path does not exist, it will be created as a directory, otherwise show that it exists, and display the content type

#!/bin/bash
#
Path= "/tmp/testdir"
if [!-e $path];then
if [!-D $path];then
mkdir $path
echo "Make directory $path sucessfully."
else echo "$path has been exists."
Fi
else echo "$path has been exists."
Fi

September 13 Tenth session Linux shell script programming Basics