📂 Filenames
November 14, 2019 · View on GitHub
File systems
Each OS tends to use its own file system:
Each file system has its own restrictions when it comes to naming files and paths.
Filenames constraints
Cross-platform filenames need to avoid:
- any other characters but
a-z,0-9,-._,=() - starting with
- - ending with a
. - starting
or
ending
with
~. - uppercase characters (Mac and Windows are case-insensitive).
- being more than 255 characters long.
- being one of
those names:
com1,com2,com3,com4,com5,com6,com7,com8,com9,lpt1,lpt2,lpt3,lpt4,lpt5,lpt6,lpt7,lpt8,lpt9,con,nul,prn,aux.
Paths contraints
Cross-platform file paths need to avoid being more than 260 characters long.
Summary
Only use lowercase a-z, 0-9 and -._,=() in filenames.
Avoid paths longer than 260 characters.