%% and %. - Interrupt Current Operation

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# %% and %. - Interrupt Current Operation

| `%%` |
`%.`

These terminal commands can be used to interrupt the current operation.

This document covers the following topics:

- %% in Online Mode

- %% in Batch Mode

- %. in Online Mode

- %. in Batch Mode

Note
The terminal commands `%%` and `%.` will be ignored if the profile parameter `ESCAPE` is set to `OFF`.

## %% in Online Mode

If you enter `%%` in any field on the screen, the currently active Natural program will be terminated immediately and Natural will return to command input mode. If you enter `%%` in command input mode, the Natural session will terminated (equivalent to the Natural system command `FIN`).

`%%` has the following effects:

- The contents of the Natural stack will be deleted.

- Any logical database transaction currently being processed is backed out.

- The source program currently in the work area of the editor will not be affected.

## %% in Batch Mode

In batch mode, `%%` may be used to set restart points in the input files and thus ensure the synchronization of the input files in the case of an error.

#### Influence of Profile Parameter CC

Command | Function
--- | ---
`CC=ON` | If the Natural profile parameter `CC` is set and an error occurs during the compilation/execution of a Natural program in batch mode, the input data stream for the `SYNIN` and `OBJIN` input files will be flushed until a line containing `%%` in the first two positions is encountered (if no `%%` is encountered, it will be flushed until the end-of-file is reached). In addition, the contents of the Natural stack will be deleted. If more data are available in the input stream, Natural resumes processing with the line after `%%`.
`CC=OFF` | Any `%%` in the input data will be ignored.

## %. in Online Mode

Online, `%.` is the same as `%%`, except that the Natural stack is not deleted.

## %. in Batch Mode

In batch mode, `%.` causes reading of input values for the current `INPUT` statement to be terminated.

### On this page

- %% in Online Mode
- %% in Batch Mode
- %. in Online Mode
- %. in Batch Mode