CODEWITHSUNDEEP
schemeracket
blue-sky
blue-sky

Reputation: 53806

How to load file from dir using Racket?

I'm trying to set a dir to load files from using racket. I want to set the dir and then use command (load "extract.rktl") to load the file.

I'm on windows environment.

Command I'm trying is : 

(add-to-list 'load-path ("c:/Users/racket/")

I receive error : 

add-to-list: undefined;
 cannot reference undefined identifier
  context...:

the dir c:\Users\racket exists. Are commands correct ?

Update : this helped : How do I include files in DrScheme?

Upvotes: 0

Views: 2114

Answers (1)

ben rudgers
ben rudgers

Reputation: 3669

In Racket, path is a type and strings are not paths. So convert the name of a path with string->path.

(define default-dir
  (string->path "c:\\user\\racket"))

Notes:

  • The Windows separator character '\' must be escaped as '\'.

  • Many Racket functions that act on paths will implicitly convert strings to paths without an explicit call to string->path.

  • However string operations cannot be permed on path objects.

>(string-split default-dir "\\")
string-split: contract violation
expected: string?
given: #<path:c:\user\racket>

Alternatively, a GUI can be used:

> (require racket/gui)
> (define my-file (get-file))
> my-file
#<path:/home/ben/Documents/racket/my-module.rkt>

Upvotes: 1

Related Questions