Update README.md

README.md

@@ -23,7 +23,31 @@
 
 
 ## Usage
-First steps (aka hello world):
+
+### Command line parameters
+```bash
+wkmgr.py [-h] [-v] [-V] [-d DELAY] [-a [ARG_VARIABLE]] [-i INPUT_DIR]
+         [-o OUTPUT_DIR] [-s] [-ni] [-n]
+         execname ...
+``` 
+
+#### Arguments
+Parameter |  | Description 
+---  | --- | ---
+execname | required | (positional argument) name of executable to call OR complete shell command line. If no placeholders are provided, "{inputdir}{inputfilename} {outputdir}{jobid}/outfile.txt" is added.
+-h, --help | optional | show this help message and exit
+-v, --verbosity | optional | increase output verbosity
+-V, --version | optional | Returns the actual program version
+-d DELAY, --delay DELAY | optional | time delay in ms between starts of consecutive jobs to help distributing load
+-a [ARG_VARIABLE], --arg-variable [ARG_VARIABLE] | optional | add variables to use as execname argument. example: `-a theta,0,180,2.5 -a energy,0,10`
+-i INPUT_DIR, --input-dir INPUT_DIR | optional | specifies the directory with files to process
+-o OUTPUT_DIR, --output-dir OUTPUT_DIR | optional | output directory, default = output[datetime]
+-s, --single-argument | optional | do not add the default placeholders to the execname
+-ni, --no-inputfiles | optional | set this flag if no iteration over input files requested.
+-n, --dry-run | optional | Do not launch workers, just build test settings.
+
+
+### First steps (aka hello world)
 
 1. On HIMster 2 / Mogon 2, load the following module first
    ```bash