file-extension ( path -- extension )
Factor handbook » Input and output » Pathnames

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Vocabulary
io.pathnames

Inputs

path	a pathname string

Outputs

extension

a string

Word description
Outputs the extension of path, or f if the filename has no extension.

Examples

USING: io.pathnames prettyprint ; "/usr/bin/gcc" file-extension .
f

USING: io.pathnames prettyprint ; "/home/csi/gui.vbs" file-extension .
"vbs"

See also
file-name, file-stem

Definition

USING: kernel splitting ;

IN: io.pathnames

: file-extension ( path -- extension )
    file-name "." split1-last nip ;