system

From the SETL Wiki

system
Category	I/O
Syntax	function
Compatibility
CIMS SETL	no
SETL-S	no
SETL2	no
GNU SETL	yes

Contents 1 Purpose 2 Synopsis 3 Description 4 Examples

Purpose

Execute a command via the system shell

Synopsis

 system(cmd)

Description

Executes the given command using the posix function system(). Returns the subprocess exit code, and also stores it in the system variable status. Since the command is executed via the shell it may use shell syntax e.g. environment variable expansion.

Examples

1. system('mkdir abc');
   

   Invoke the unix 'mkdir' command to create a directory named 'abc', returning zero if successful.

2. system('$EDITOR foo.txt');
   

   Invoke the user's default editor to edit the file 'foo.txt'