Updated SC2012 (markdown)

SC2012.md

@@ -5,6 +5,7 @@
 ```sh
 ls -l | grep " $USER " | grep '\.txt$'
 ```
+
 ```sh
 NUMGZ="$(ls -l *.gz | wc -l)"
 ```
@@ -14,10 +15,12 @@ NUMGZ="$(ls -l *.gz | wc -l)"
 ```sh
 find ./*.txt -user "$USER"  # Using the names of the files
 ```
+
 ```sh
 gz_files=(*.gz)
 numgz=${#gz_files[@]} # Sometimes, you just need a count
-````
+```
+
 ### Rationale:
 
 `ls` is only intended for human consumption: it has a loose, non-standard format and may "clean up" filenames to make output easier to read.