Added build files to turn the bible into a book

manuscript/chapter5.txt

@@ -1,50 +1,16 @@
-# File Paths
+# Variables
 
-## Get the directory name of a file path
-
-Alternative to the `dirname` command.
-
-**Example Function:**
-
-```sh
-dirname() {
-    # Usage: dirname "path"
-    printf '%s\n' "${1%/*}/"
-}
-```
-
-**Example Usage:**
+## Assign and access a variable using a variable
 
 ```shell
-$ dirname ~/Pictures/Wallpapers/1.jpg
-/home/black/Pictures/Wallpapers/
+hello_world="test"
 
-$ dirname ~/Pictures/Downloads/
-/home/black/Pictures/
-```
+# Create the variable name.
+var1="world"
+var2="hello_${var1}"
 
-## Get the base-name of a file path
-
-Alternative to the `basename` command.
-
-**Example Function:**
-
-```sh
-basename() {
-    # Usage: basename "path"
-    : "${1%/}"
-    printf '%s\n' "${_##*/}"
-}
-```
-
-**Example Usage:**
-
-```shell
-$ basename ~/Pictures/Wallpapers/1.jpg
-1.jpg
-
-$ basename ~/Pictures/Downloads/
-Downloads
+# Print the value of the variable name stored in 'hello_$var1'.
+printf '%s\n' "${!var2}"
 ```
 
 <!-- CHAPTER END -->