• index
  • 1 Getting Started
  • 2 Configurations
  • 3 Language Reference
    • 3.1 Data Types & Variables
    • 3.2 Statements
      • 3.2.1 print - println
      • 3.2.2 delay
      • 3.2.3 getInt
      • 3.2.4 getStr
      • 3.2.5 if
      • 3.2.6 for
      • 3.2.7 goto
      • 3.2.8 call
        • Arduino UNO
          • 3.2.8.1 ls
          • 3.2.8.2 free
          • 3.2.8.2. setPM
          • 3.2.8.3 getPM
          • 3.2.8.4 dioW
          • 3.2.8.5 dioR
          • 3.2.8.6 cat
          • 3.2.8.7 touch
          • 3.2.8.8 cp
          • 3.2.8.9 append
          • 3.2.8.10 rm
          • 3.2.8.11 fgetl
          • 3.2.8.12 flen
          • 3.2.8.13 fex
          • 3.2.8.14 frec
          • 3.2.8.15 waitDio
        • MeArm
      • 3.2.9 sub
    • 3.3 Expressions
    • 3.4 Program execution
  • 4 Examples
  • 5 How-to's
  • 6 Support & Contacts

3.2.8.13 fex

Description:

The "fex" function writes in the output buffer true if the file passed as argument exists, false otherwise
After the call execution you'll find the result as boolean in the output buffer "@1".

Declaration:

• call fex string fileName

Example: