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This is code-golf, shortest code in UTF-8 bytes wins.

This is code-golf, shortest code wins.

Standard loopholes and I/O rules apply.

Input 5: Partially correct cd should not be parsed (Suggested by @Abigail)

3
mkdir foo
cd bar/../foo
touch file.txt

Output 5:

/
  foo
  file.txt

Standard loopholes and I/O rules apply.

/
  documents/
    document.docx
  downloads/
    zippedfile/
      notavirus.exe
    coolgoats.mp3
    zippedfile.zip
  pictures/
    myvacation.png

• All directories names must end with a "/"
• You may use any number of spaces to indent the tree (minimum 1)
• Directories must be listed before files in the same directory
• Directories and files should be listed in lexographical alphabetical order
  • The character "." lexographically comes before any alphabetical character

/
  documents/
    document.docx
  downloads/
    zippedfile/
      notavirus.exe
    coolgoats.mp3
    zippedfile.zip
  pictures/
    myvacation.png

Input 3: Alphabetical listing of directories and files

/
  a/
  b/
  c/
  a.txt
  aa.txt
  ab.txt
  b.txt
  c.txt

8
mkdir folder1
cd folder1
cd ../folder2
touch file.txt

/
  folder1/
    file.txt

This is code-golf, shortest code in UTF-8 bytes wins.

/
  documents
    document.docx
  downloads
    zippedfile
      notavirus.exe
    coolgoats.mp3
    zippedfile.zip
  pictures
    myvacation.png

• All directories names must end with a "/" no longer necessary
• You may use any number of spaces to indent the tree (minimum 1)
• Directories must be listed before files in the same directory
• Directories and files should be listed in lexographical alphabetical order
  • The character "." lexographically comes before any alphabetical character
• You may output the contents of directories in any order you wish

/
  documents
    document.docx
  downloads
    zippedfile
      notavirus.exe
    coolgoats.mp3
    zippedfile.zip
  pictures
    myvacation.png

Input 3: Alphabetical listing of directories and files no longer necessary

/
  a
  b
  c
  a.txt
  aa.txt
  ab.txt
  b.txt
  c.txt

4
mkdir folder1
cd folder1
cd ../folder2
touch file.txt

/
  folder1
    file.txt

This is code-golf, shortest code in UTF-8 bytes wins.

Edit: output requirements have been relaxed a little bit