ESO-MIDAS is a command line driven program with an own scripting language.

Erste Schritte in Midas, a tutorial in German. Download example data here.

Here comes a collection of scripts to make life easier.

Convert Graphics Display
vector graphics -> vector graphics: Pdf image	pdf.prg
Display Spectra
wavelength scale -> rotation velocity	vrel.prg
Define your own labels: eg. ‘wavelength (Å)’	gutax.prg
Extracting slitless spectra
Extract spectra from a slitless spectrograph like an Objective Prism Apparatus	Context OPA
Comes with an 22 page manual in German.
Copy it in your midwork directory an extract it with
tar xjf opactx_20080909_12Uhr42.bz2
and read opadocde.pdf in ˜/midwork/opa/opadoc.
Spectrograph with slit
Extract spectra from spectrograph with slit like Lhires	Context SMS
Comes with a manual in German.
Copy it in your midwork directory an extract it with
tar xjf smsctx_date_time.tar.bz2
and read smsdocde.pdf in ˜/midwork/sms/doc/smsdoc.de.
A wavelength table for a neon lamp is included and stored in your midwork. Please rename gneon.tfits to neon.tfits if needed.