how to diff

Author: noraj

FAQ.md

@@ -127,7 +127,83 @@ Unfortunately, unlike [AsciiDoc](https://docs.asciidoctor.org/asciidoc/latest/ve
 
 Alternatively what you can do is:
 
-- Take a screenshot and add a red rectangle and arrows, then include the image in Markdown
-- Make a diff between the original exploit and the one you modified, then create a code block with `diff` as a language for syntax highlight
-- Write paragraphs and illustrate with short code blocks including the lines you changed
-- Using a more complex solution with Lua filters to introduce a markup for line highlight, e.g. https://github.com/jgm/pandoc/issues/7743
+1. Take a screenshot and add a red rectangle and arrows, then include the image in Markdown
+2. Make a diff between the original exploit and the one you modified, then create a code block with `diff` as a language for syntax highlight
+3. Write paragraphs and illustrate with short code blocks including the lines you changed
+4. Using a more complex solution with Lua filters to introduce a markup for line highlight, e.g. https://github.com/jgm/pandoc/issues/7743
+
+About option 2.:
+
+File `nota.a`:
+
+```text
+Hi,
+
+I am noraj.
+
+I hope you enjoy writing your report.
+
+Cheers,
+
+noraj
+```
+
+File `note.b`:
+
+```text
+Hello,
+
+I am the great noraj.
+
+I wish you a good reporting time.
+
+Regards,
+
+noraj
+```
+
+Command: `diff -u note.a note.b`
+
+Output of the command formated into a Markdown fenced code block with `diff` language class:
+
+~~~text
+```diff
+--- toto.a      2024-07-16 01:18:09.234602615 +0200
++++ toto.b      2024-07-16 01:18:55.269563085 +0200
+@@ -1,9 +1,9 @@
+-Hi,
++Hello,
+ 
+-I am noraj.
++I am the great noraj.
+ 
+-I hope you enjoy writing your report.
++I wish you a good reporting time.
+ 
+-Cheers,
++Regards,
+ 
+ noraj
+```
+~~~
+
+Display of the rendered diff code block:
+
+```diff
+--- toto.a      2024-07-16 01:18:09.234602615 +0200
++++ toto.b      2024-07-16 01:18:55.269563085 +0200
+@@ -1,9 +1,9 @@
+-Hi,
++Hello,
+ 
+-I am noraj.
++I am the great noraj.
+ 
+-I hope you enjoy writing your report.
++I wish you a good reporting time.
+ 
+-Cheers,
++Regards,
+ 
+ noraj
+```