Added a note. Minor fixes.

_posts/2017-04-24-qemu-ssh-tunnel.md

@@ -1,10 +1,15 @@
 ---
 title: Qemu SSH tunnel
-updated: 2017-10-22 18:00
+updated: 2018-12-02 18:33
 tags: [qemu, vnc, ssh tunnel]
 description: How to use qemu via VNC and SSH
 ---
 
+*Please note that every step described here, except installations and file 
+configurations have now been integrated directly in the QVM script. For this 
+reason you should follow the instructions reported on the 
+[readme file](https://github.com/frnmst/qvm/blob/master/README.md)*
+
 Hello readers,
 
 I was in need to run a virtual machine to do some experiments an `archiso` 
@@ -152,9 +157,4 @@ Infact, using SSH implies that the traffic between the client and remote server
 is encrypted, but using VNC directly by default is NOT so pay 
 attention.
 
-*Please notice that every step described here, except installations and file 
-configurations have now been integrated directly in the QVM script. For this 
-reason you should follow the instructions reported on the 
-[readme](https://github.com/frnmst/qvm/blob/master/README.md)*
-
 Cheers!

_posts/2018-11-18-my-bash-option-parsing-template.md

@@ -1,7 +1,7 @@
 ---
 title: My bash template for option parsing
 tags: [getopts, bash, template, bashisms, shell]
-updated: 2018-11-26 19:40
+updated: 2018-12-02 18:33
 description: a template for option parsing in Bash based on getopt
 ---
 
@@ -16,6 +16,11 @@ See [this](https://www.mariusvw.com/2013/02/24/bash-getopt-versus-getopts/)
 and [this](http://abhipandey.com/2016/03/getopt-vs-getopts/) for a comparison 
 between the two.
 
+*Please note that the documentation and source code reported here are old.
+Refer to the [fbopt](https://github.com/frnmst/fbopt) repository.*
+
+## Reason
+
 To avoid reinventing the wheel and confusion, I have written some notes and a
 dummy script that will serve as template. The script is called `fbopt`, i.e:
 *Franco Bash Option Parsing Template*. The purpose of this is to change
@@ -47,8 +52,8 @@ These elements should be common sense and not be specific to `fbopt`
 |------------|---------|-------|
 | constants are enclosed within single quotes | `'constant'` | elements within single quotes (only) are not interpreted by the shell |
 | variables enclosed within double quotes | `"${variable}"` | double quotes serve as a delimiter between multiple variable names if these are consecutive. Every variable between the quotes is interpolated |
-| variables use the curly braces notation  | `"${variable}"` | curly braces serve as a delimiter between multiple variable names if these are consecutive. |
-| variables not enclosed within double quotes | `${?}` or `for v in ${values}; do echo "${v}"; done`| the only variables allowed without double quotes are integers (such as return values) and loop iterators (because these won't work otherwise) |
+| variables use the curly braces notation  | `"${variable}"` | curly braces serve as a delimiter between multiple variable names if these are consecutive |
+| variables not enclosed within double quotes | `${?}` or `for v in ${values}; do echo "${v}"; done` | the only variables allowed without double quotes are integers (such as return values) and loop iterators (because these won't work otherwise) |
 
 ## Dependencies and compliancy
 
@@ -63,7 +68,7 @@ The template is known to work with the following packages
 
 | Package | Package version | fbopt version |
 |---------|-----------------|---------------|
-| GNU Bash | `GNU bash, version 4.4.23(1)-release (x86_64-unknown-linux-gnu)` | `0.1`, `0.2` |
+| GNU Bash | `GNU bash, version 4.4.23(1)-release (x86_64-unknown-linux-gnu)` | `0.1`, `0.2`, `0.3` |
 | getopt | `getopt from util-linux 2.33` | `0.1`, `0.2`, `0.3` |
 
 ## The template
@@ -234,7 +239,7 @@ main()
 
 # Test dependencies and versions.
 # getopt must return 4 to be fully compatible. See getopt's manual.
-which bash getopt 1>/dev/null 2>/dev/null && { getopt -T; [ $? -eq 4 ]; }
+which bash getopt 1>/dev/null 2>/dev/null && { getopt -T; [ ${?} -eq 4 ]; }
 
 # Get and pass argc to the main function.
 # All this work with an array must be done to preserve