# Commandline tab

The appereance of command editor can be customized in options dialog on tab "commandline". To execute options dialog click Tools/Options in menu or type options() in command editor or click the options icon in toolbar. Commandline tab

## Show return value of executed script in console

If this setting is checked, command console will print return value of last command after executing it. It has basically the same effect as if last command was a parameter of function `print()`.

## Show return value also for complex type

This will toggle displaying the return value for complex types, such as arrays, which are likely to produce lot of output, as arrays tend to be large.

## Show errors from event handlers

Check this if you want to see error from callback handlers. If there is error in callback handler which is called very often, like handler for current item in tree being changed, it can produce lot of output.

## Show command editor

If set, command editor is shown. Command console without / with command editor

Command console without / with command editor

## Show command line

If set, history is displayed in a combobox. This is useful when older history commands are needed.

## Editable command line

If set, editable command line is shown in history combobox. This is usefull when small space for typing command is needed. (set command editor hidden).

## History option

If set, history is saved and loaded to the command line. You can specify the maximum number of lines to store.

Note: History is saved when PDFedit's window is closed.