Update README.md

Author: adrianbartyczak

README.md

@@ -4,7 +4,7 @@
 </div>
 <br><br>
 
-**Gnu-linux-shell-scripting** is a foundation for shell scripting in the GNU/Linux environment.
+**Gnu-linux-shell-scripting** is a foundation for shell scripting in GNU/Linux.
 
 It is made up of the following four types of solutions:
 
@@ -13,9 +13,9 @@ It is made up of the following four types of solutions:
 3. One-liners
 4. Aliases
 
-# Paradigms
+# Categories
 
-Here is a list of all the paradigms with a few examples in which all solutions exist:
+Here is a list of all the categories with a few examples in each:
 
 ## Application management
 
@@ -75,5 +75,5 @@ Here is a list of all the paradigms with a few examples in which all solutions e
 
 # Code style guidelines
 
-All the solutions in this repository follow [these](https://github.com/computingfoundation/gnu-linux-shell-scripting/wiki) standard guidelines.
+All the solutions in this repository follow [this](https://github.com/computingfoundation/gnu-linux-shell-scripting/wiki) standard guideline.
 

functions_scripts/scripting/bash/numberutils.bash

@@ -33,7 +33,18 @@ generateRandomNumber() {
   [ "$#" -ne 2 ] && return 1
   [[ "${1}" =~ ^[0-9]+$ && "${2}" =~ ^[0-9]+$ ]] || return 1
   [ "${1}" -gt "${2}" ] && return 1
-  echo $(( ( RANDOM % ( "${2}" - "${1}" + 1 ) + "${1}" )))
+  printf '%s' $(( ( RANDOM % ( "${2}" - "${1}" + 1 ) + "${1}" )))
+}
+
+# Generate a random decimal between ".00" and ".99".
+# Usage:
+#     generateRandomDecimal
+function generateRandomDecimal {
+    [ "$#" -ne 2 ] && return 1
+    [[ "${1}" =~ ^[0-9]+\.[0-9]+$ && "${2}" =~ ^[0-9]+\.[0-9]+$ ]] || return 1
+    out=$(bc <<< "scale=2; $(printf '0.%02d' $(( $RANDOM % 100))) / 2")
+    if [ "${out}" = '0' ]; then out='.00'; fi
+    printf '%s' "${out}"
 }