DC - Command Line

# 2.12. Command line

## Content

1. Presentation
2. Possible parameters
3. Examples

## 1. Presentation

When launching Double Commander executable we may specify some command line parameters to customize our start up.

For example, we may specify the directories that will be displayed in the file panels.

There are some switches that may be used as well.

These switches are NOT case sensitive.

Here is a summary description of the syntax of what's possible in the command line:

`doublecmd.exe [-C] [-T] [-P L|R] [path1\subpath1] [path2\subpath2]`

An alternative form is also possible like this one:

`doublecmd.exe [-C] [-T] [-P L|R] [-L path1\subpath1] [-R path2\subpath2]`

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## 2. Possible parameters

Here is the list of what may be present as parameters when launching Double Commander.

Command Line Parameters
Parameter | Description
--- | ---
path1\sub1 [path2\sub2] (no switches, directly a path) | If one path passed then load it into the active panel. If two paths are passed then load first path into left panel and second in the right panel. Directory names containing spaces must be put in double quotes. Always specify the full path name.
-C or --client | If Double Commander is already running, activate it and pass the path(s) in the command line to that instance.
-L directory | Set directory to show in the left panel.
-R directory | Set directory to show in the right panel.
-P L|R | Sets the active panel when program starts: `-P L` for left `-P R` right
-T | Opens the passed directory(ies) in new tab(s).
--no-console | Run Double Commander without console debug window.
--config-dir=path | Set custom directory path with DC configurations files.
--servername=x | Sets the name of the instance (server) DC, which can then be used to pass parameters. If there is no already existing instance, then create it. If there is already existing instance, and the current one is a client, then send params to the server (i.e. to the existing instance). If there is already existing instance, and the current one is not a client, (i.e. Allow only one copy of DC at a time is false and no `--client`/`-c` options were given), then user-provided servername is altered: firstly, just add a trailing number "2". If there is already some trailing number, then increase it by 1, until we found a servername that isn't busy yet, and then create instance with this servername.
--no-splash | Disables the splash screen at startup DC.

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## 3.1. Examples

Here is a few examples of wanted behaviors that could be done via command line parameters when launching Double Commander.

Open the directory `e:\Xilinx\ISE DS` in the left panel and the directory `c:\temp` in the right one:

    doublecmd.exe "e:\Xilinx\ISE DS" c:\temp

Open directory `c:\Logs` in a new tab in the active panel of and already running instance of Double Commander:

    doublecmd.exe -c -t c:\Logs

Start application with configuration files from directory `f:\Documents\DC\Job Settings` with the mention `JOB` in the title bar of application:

    doublecmd.exe --config-dir="f:\Documents\DC\Job Settings" --servername="JOB"

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