Command line options

-v    Returns the script version number.

Example: enigma]$ ./enigma.sh -v
Output: Enigma M3 and M4 emulator script, version 0.5.2

-M   Machine type. Choose M3, M4, or R. This must be the first option on the command line as it is used by other options in machine setup.

Example: -M M3
Selects the three wheel Enigma.

-r   Ring settings. If you are using in M3 mode, choose 3 letters from AAA to ZZZ. For M4 or R mode, choose 4 letters from AAAA to ZZZZ.

Example: -r AAA

-m   Message settings. If you are using in M3 mode, choose 3 letters from AAA to ZZZ. For M4 or R mode, choose 4 letters from AAAA to ZZZZ.

Example: -m AAA

-s   Stecker Settings. Choose 1 to 13 pairs of letters to swap. DO NOT REPEAT LETTERS!

The setting is not required, but it was normally used with 10-11 pairs.
Example: -s PQLAISOVEB
Steckers are not used in R mode.

-u    UKW selection. For M3 or M4 mode choose B or C. For R mode choose R.

Example: -u B

-w   Wheel selection and order.

If you are using in M3 mode, choose 3 numbers from 1 to 8. DO NOT REPEAT NUMBERS!
For M4 mode, choose B or C and 3 numbers from 1 to 8. DO NOT REPEAT NUMBERS!
For R mode, choose 3 numbers from 1 to 3. DO NOT REPEAT NUMBERS!
M3 Example: -w 482
M4 Example: -w C168
R Example: -w 312

-o   Format output. Choose 3 numbers from 1 to 9. The first number sets the number of letters in a column. The second number sets the number of columns per group. The third number sets the number of groups per row.

Example: -o 552
Output: QSDTG EWDRF WRFWD ESDTF WDIJH  TFBIO EDCVF EDHGU VBNMJ ILOPD
Example: -o 333
Output: RDI WRE RDJ  WOJ BVH IJN  RDG THE EVJ

-h   Display help screen.

-c   Write config file. Takes the current command line options and writes them to enigma.conf. This must be the last option.

Example command line.
enigma]$ ./enigma.sh -M M3 -r SYW -s QWERTYUIOPASDF -u B -m AIV -w 513 -o 421