update README

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Denis Lehmann 2022-01-10 00:54:35 +01:00
parent 16d569bd86
commit cc835f9310

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*** 1. /sf/-variables
This is the list of variables which can be set *before* including /sf/.
Every variable is optional.
Everything is optional.
| Name | Description | Example |
|--------------+-----------------------------------------------------------------------------------------------------+--------------------------------------|
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If you declared for example a flag like this:
#+begin_src sh
sfargs+=("verbose:v:Enable verbose output")
sfargs+=("verbose;v;Enable verbose output")
#+end_src
Then the variable =$verbose= exists with a value of either =false= or =true=.
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#+begin_example
Please enter your name [John]: Jane
Hello Jane!
Do you want to proceed? [Y/n]
Do you want to proceed? [Y/n]
Are you sure? [y/N] y
Please continue...
#+end_example
*Note* the colon and the question marks are added by the functions.
*Note* that the colon and question marks get added by the functions.
**** Output functions
Two output functions are provided which can be used to throw warnings and errors.