check-file-exists ( path -- path )

Vocabulary

io.files

Inputs

path	a pathname string

Outputs

path	a pathname string

Word description

Check if a file exists, otherwise throw a no-such-file error.

Errors

Throws an error if the file does not exist.

Definition

USING: kernel ;

IN: io.files

: check-file-exists ( path -- path )
    dup file-exists? [ no-such-file ] unless ;