# no-illegal-filenames

Files and directories should not contain illegal characters or names so that Ansible can be checked out on any Operating System.

## Illegal Characters

The following characters are not allowed to be used in any part of the file or directory name;

- `<`

- `>`

- `:`

- `"`

- `/`

- `\`

- `|`

- `?`

- `*`

- Any characters whose integer representations are in the range from 0 through to 31 like `\n`

The following characters are not allowed to be used as the last character of a file or directory;

- `.`

- `" "` (just the space character)

## Illegal Names

The following names are not allowed to be used as the name of a file or directory excluding the extension;

- `CON`

- `PRN`

- `AUX`

- `NUL`

- `COM1`

- `COM2`

- `COM3`

- `COM4`

- `COM5`

- `COM6`

- `COM7`

- `COM8`

- `COM9`

- `LPT1`

- `LPT2`

- `LPT3`

- `LPT4`

- `LPT5`

- `LPT6`

- `LPT7`

- `LPT8`

- `LPT9`

For example, the file `folder/COM1`, `folder/COM1.txt` are illegal but `folder/COM1-file` or `folder/COM1-file.txt` is allowed.