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Reference Guides
Reference guides are available for functions and commands supported by OML, Tcl, and Python.
Reference Guide for OpenMatrix Language Functions
The Reference Guide contains documentation for all functions supported in the OpenMatrix language.
System Commands
delete
Deletes the file(s), f, or a graphic object, h.

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Reference Guides
Reference guides are available for functions and commands supported by OML, Tcl, and Python.
- Scripting Guide for OpenMatrix Language
  OpenMatrix is a mathematical scripting language.
- Reference Guide for OpenMatrix Language Functions
  The Reference Guide contains documentation for all functions supported in the OpenMatrix language.
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    - cd
      Changes the current directory to dir.
    - chdir
      Changes the current directory to dir.
    - cputime
      Returns the current cputime used by Compose.
    - createdistributable
      Create a distributable encrypted file to be used with Compose Light. The file is automatically recognized by the operating system as a Compose Light file.
    - date
      Returns the current date as a string in the format DD-MMM-YYYY.
    - delete
      Deletes the file(s), f, or a graphic object, h.
    - diary
      Records all commands and outputs of an interactive session to a file. If no arguments are passed, the diary state is toggled. To save outputs when running a script (non-interactive session), use outputlog.
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      Directory listing of the current or specified directory.
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      Executes a dos command on Windows.
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      Encrypts a OML file.
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      Returns the path separator, dependent on the system.
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      Creates a path with the directory and sub-directories under dir.
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      Returns the current process ID.
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      Displays information and contents of file(s) or directories.
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      Creates an absolute path with input name, without checks made for the existance of the path on disk.
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      Creates the directory newdir in the current working directory by default.
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      Records all outputs to a file. If no arguments are passed, the outputlog state is toggled.
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      Removes the directory dir.
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      Opens the user startup script for editing (GUI application only).
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      Shows the path to the user startup script.
    - system
      Executes the shell command stringCommand. If executed in 'sync' mode or without additional inputs, the application waits until the execution is complete. If executed in 'async' mode, stringCommand is executed in a detached thread and control is returned to the application immediately.
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      Executes the unix shell command stringCommand.
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Appendix
Get help for the optional libraries that are available in the Extension Manager.
Frequently Asked Questions
You've got questions? We've got answers!

delete

Deletes the file(s), f, or a graphic object, h.

Syntax

delete(f)

delete(f1, f2...)

delete(h)

Inputs

f: Name(s) of files to be deleted. Wild cards such as '*' can be used to delete multiple files in a single command.; Type: string
h: Handle of the graphic object to be deleted.; Type: double; Dimension: scalar

Examples

Delete a file:

fname = 'D:/Tests/FileManipulation/CreatedFile.txt'
delete(fname)

Delete a graphic object:

clear all; close all;
lh1 = plot(rand(10,1));
lh2 = line(1:10,rand(10,1));
delete(lh1)

Comments

Regarding graphic objects, delete may be used to delete line, surface, axes, text, shape, or uicontrol objects from a figure. The child objects of the deleted object are also deleted. Certain objects, such as the title, x label, y label, and z label, cannot be deleted. A figure can be deleted by using the close command.