Automating the process of importing project into eclipse workspace using command line interface not working as expected - eclipse

Question

I have command line argument for importing existing project into eclipse work space. But as soon as I try to execute it using windows batch file eclipse opens and starts loading and closes immediately. Here is the code that I am trying to run.
ECHO on
PUSHD
SET ECLPSE=%cd%
SET WORKSPACE=%~dp0
POPD
SET PATH=%PATH%;%ECLPSE%\bin;
RD /s /q %ECLPSE%\configuration\org.eclipse.equinox.app > Nul
RD /s /q %ECLPSE%\configuration\org.eclipse.osgi > Nul
RD /s /q %ECLPSE%\configuration\org.eclipse.update > Nul
START /B %ECLPSE%\bin\tresos_gui.exe -Dmsg1085=false -data %WORKSPACE% %*
START /B %ECLPSE%\bin\tresos_gui.exe importProject -c C:\Jenkins\jobs
This is the syntax for importing a project into the workspace.
tresos_cmd.bat [<system_property>...] [-data <workspace>]
importProject [-c] <project path>...
Can someone please help me with this. I would really appreciate it. I have even combined last two statements in one line and tried executing it but it is of no use. My main aim is to automate the process of importing project into eclipse workspace so that software can be built using jenkins.

Answer 1

All folder paths containing %ECLPSE% or %WORKSPACE% should be enclosed in double quotes in case of %cd% and/or %~dp0 expand to a folder path with a space character or one of the characters &()[]{}^=;!'+,`~.
I did not really understand what is the goal of the batch file and what tresos_gui.exe is for.
However, here is an improved and commented batch file.
#echo off
setlocal EnableExtensions
rem Path of current directory hold in environment variable CD usually does
rem not end with a backslash (directory separator on Windows). But if the
rem current directory is the root directory of a drive, the directory path
rem ends with a backslash. Assign current directory path to environment
rem variable ECLPSE (strange name) always without a trailing backslash.
if not "%CD:~-1%" == "\" ( set "ECLPSE=%CD%" ) else ( set "ECLPSE=%CD:~0,-1%" )
rem Path of batch file always ends with a backslash, but should be assigned
rem to environment variable WORKSPACE always without a trailing backslash.
set "WORKSPACE=%~dp0"
set "WORKSPACE=%WORKSPACE:~0,-1%"
rem The environment variable PATH can end with a folder path or with a
rem semicolon after last folder path. The subdirectory BIN in current
rem directory should be appended with an additional semicolon only if
rem environment variable PATH does not already end with a semicolon.
if "%PATH:~-1%" == ";" ( set "PATH=%PATH%%ECLPSE%\bin" ) else ( set "PATH=%PATH%;%ECLPSE%\bin" )
rem Command RD does not print any message on success. It prints only an error
rem message to handle STDERR if the directory tree could not be removed.
rd /Q /S "%ECLPSE%\configuration\org.eclipse.equinox.app" 2>nul
rd /Q /S "%ECLPSE%\configuration\org.eclipse.osgi" 2>nul
rd /Q /S "%ECLPSE%\configuration\org.eclipse.update" 2>nul
rem Command START interprets first double quoted string as title for the
rem command process window. Therefore specify as first parameter just ""
rem which is an empty title string.
rem The start of tresos_gui.exe is done for some unknown reason in a separate
rem process in background. Hold execution of batch file until this separate
rem process terminated itself before running tresos_gui.exe a second time
rem to import the project and best wait again until this process terminated.
start "" /WAIT /B "%ECLPSE%\bin\tresos_gui.exe" -Dmsg1085=false -data "%WORKSPACE%" %*
start "" /WAIT /B "%ECLPSE%\bin\tresos_gui.exe" importProject -c C:\Jenkins\jobs
endlocal
For understanding the used commands and how they work, open a command prompt window, execute there the following commands, and read entirely all help pages displayed for each command very carefully.
call /? ... explains %*
cmd /? ... explains with last paragraph on last help page when double quotes are required.
echo /?
endlocal /?
if /?
rd /?
rem /?
setlocal /?
start /?
And read also the Microsoft TechNet article Using command redirection operators for an explanation of 2>nul.