Cheat Sheet #day45 - mkdir

mkdir Cheatsheet

Basic Usage

• Create a Directory

    mkdir directory_name
  

Common Options

• Create Parent Directories as Needed

    mkdir -p /path/to/new/directory
  

• Set Permissions for the New Directory

    mkdir -m 755 directory_name
  

• Display a Message for Each Created Directory

    mkdir -v directory_name
  

Examples

• Create a Single Directory

    mkdir my_directory
  

• Create Multiple Directories

    mkdir dir1 dir2 dir3
  

• Create a Directory with Parent Directories

    mkdir -p /parent/child/grandchild
  

• Create a Directory with Specific Permissions

    mkdir -m 700 secure_directory
  

• Create a Directory and Print a Message

    mkdir -v new_directory
  

Practical Tips

• Combining Options

    mkdir -p -v /path/to/new_directory
  

• Using with chmod for Complex Permissions

    mkdir new_directory
    chmod 755 new_directory
  

• Creating Directories from a List in a File

    while IFS= read -r dir; do mkdir -p "$dir"; done < directories.txt
  

Advanced Usage

• Creating Directories with Variable Names in Scripts

    for dir in dir1 dir2 dir3; do
      mkdir "$dir"
    done
  

• Using mkdir in a Pipeline

    echo "dir1\ndir2\ndir3" | xargs mkdir -p
  

Examples with Explanations

• Create Nested Directories with a Single Command

    mkdir -p /home/user/projects/project1/src
    # Creates the entire path even if parent directories do not exist
  

• Create Directories with Verbose Output

    mkdir -v project
    # Outputs: mkdir: created directory 'project'
  

• Create a Directory with Custom Permissions

    mkdir -m 755 public_directory
    # Sets the directory permissions to rwxr-xr-x
  

• Create Multiple Directories with a Script

    for i in {1..5}; do mkdir "project_$i"; done
    # Creates directories: project_1, project_2, ..., project_5
  

Quick Reference

• Create a Directory

    mkdir directory_name
  

• Create Parent Directories as Needed

    mkdir -p /path/to/new/directory
  

• Set Permissions for the New Directory

    mkdir -m 755 directory_name
  

• Display a Message for Each Created Directory

    mkdir -v directory_name
  

• Create Multiple Directories at Once

    mkdir dir1 dir2 dir3
  

• Create Nested Directories with Verbose Output

    mkdir -p -v /path/to/new_directory
  

This cheatsheet covers the essential commands and options for using mkdir effectively, from basic usage to advanced scripting and handling permissions. Adjust the commands according to your specific requirements and environment.