FileSys

Overview

FileSys is a language which stores and manipulates all of its variables as files on the file system instead of in memory locations in the traditional sense.

Syntax

Files

There are four valid file types in the FileSys language

• .a - String data in ascii format
• .n - Numeric data in arbitrary precision decimal data
• .b - Block, an empty file used for signalling between threads or processes
• .f - A script of FileSys commands to be executed

Operations

Operation	Explanation	Syntax	Example
mkdir	Makes a new directory for storing variable files	mkdir <path>	mkdir /var/data
out	Write data to file	out > <path>	out 12345.67 > /var/data/bank.n
in	stub	stub	stub
mv	stub	stub	stub
chmod	stub	stub	stub
watch	stub	stub	stub
exec	stub	stub	stub
add	stub	stub	stub
sub	stub	stub	stub
mul	stub	stub	stub
div	stub	stub	stub
jumpz	stub	stub	stub
halt	stub	stub	stub

Script Format

:<label>:
<command> <args>+

Examples

Hello World

 mkdir /var
 out "Hello World" > /var/message.a
 echo /var/message.a

Grammar

<line> ::= <label> | <statement>
<label> ::= ":" <string> ":"
<statement> ::= IN | OUT | MKDIR | MV | CHMOD | EXEC | WATCH | ADD | SUB | MUL | DIV | JUMPZ | HALT
<string> ::= <char> | <char> <string>
<char> ::= (a-zA-Z0-9)

See also

• Dirst