Update README.md

Query domain name creation and expiration dates.

README.md

@@ -1,2 +1,11 @@
-# bash_scripts
-A collection of Bash Scripts
+### diffweb.sh
+`Checks a website for changes.`
+
+### rotate.sh
+`Rotate a screen in Linux.`
+
+### uapay.sh
+`A command-line interface to UofA employee payroll data.`
+
+### crex.sh
+`Query a domain name's creation date and expiration date.`

crex.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+# Description: Query Domain Name Creation and Expiration dates.
+# Usage: crex.sh <domain.tld>
+# Author: Justin Oros
+# Source: https://github.com/JustinOros
+
+# Dependency Checks
+TARGET_FILE='/usr/bin/whois'
+if [ ! -f "$TARGET_FILE" ]
+then
+    echo "$TARGET_FILE does not exist."
+    exit
+fi
+
+TARGET_FILE='/usr/bin/grep'
+if [ ! -f "$TARGET_FILE" ]
+then
+    echo "$TARGET_FILE does not exist."
+    exit
+fi
+
+TARGET_FILE='/usr/bin/awk'
+if [ ! -f "$TARGET_FILE" ]
+then
+    echo "$TARGET_FILE does not exist."
+    exit
+fi
+
+TARGET_FILE='/usr/bin/head'
+if [ ! -f "$TARGET_FILE" ]
+then
+    echo "$TARGET_FILE does not exist."
+    exit
+fi
+
+# User Input
+DOMAIN_NAME=$1
+
+# Get Creation Date
+CREATION_DATE=$(whois $DOMAIN_NAME | grep 'Creation' | awk '{print $3;}' | head -n 1)
+
+# Get Expiration Date
+EXPIRATION_DATE=$(whois $DOMAIN_NAME | grep 'Expiration' | awk '{print $5;}')
+
+# Output Results
+echo '-'
+echo 'Domain:' $DOMAIN_NAME
+echo 'Creation:' $CREATION_DATE
+echo 'Expiration:' $EXPIRATION_DATE
+echo '-'

rotate.sh

@@ -1,7 +1,8 @@
 #!/bin/bash
-
-# rotate all screens clockwise in a complete circle
-# by Justin Oros
+# Description: Rotate screen clockwise in a complete circle
+# Usage: rotate.sh
+# Author: Justin Oros
+# Source: https://github.com/JustinOros
 
 screen_types="VGA HDMI DP eDP"
 screen_rotations="right inverted left normal"
@@ -18,7 +19,7 @@ rotate() {
 		do
 			for screen in 0 .. $screens
 			do
-				xrandr --output $screen_type-$screen --rotate $screen_rotation > /dev/null 2>&1
+				xrandr -o $screen_rotation > /dev/null 2>&1
 			done
 		done
 		sleep $sleep_time

uapay.sh

@@ -1,59 +1,62 @@
 #!/bin/bash
-#################################################
-# Query Univeristy of Arizona payroll information
-# Written by Justin Oros
-# Usage: uapay.sh FirstName LastName
-#################################################
+# Description: Query UofA employee payroll data via CLI
+# Usage: uapay.sh <first name> <last name>
+# Author: Justin Oros
+# Source: https://github.com/JustinOros
 
-# Check to see if BASH is installed
-{
+# BASH present?
 if [ ! -f /bin/bash ]; then
     echo "Bash not found!"
     exit 0
 fi
-}
 
-# Check to see if CURL is installed
-{
+# CURL present?
 if [ ! -f /usr/bin/curl ]; then
     echo "Curl not found!"
     exit 0
 fi
-}
 
-# Check to see if GREP is intalled
-{
+# GREP present?
 if [ ! -f /usr/bin/grep ]; then
     echo "Grep not found!"
     exit 0
 fi
-}
 
-# URL for UA Salaries
+# UA Payroll URL
 uapay_url='https://openpayrolls.com/employee'
 
 # User Agent
 uapay_useragent='Chrome/79'
 
-# Get Input from User
-{
+# Get Input
 if [ -z "$1" ] || [ -z "$2" ]; then
     echo -e "\nUsage: uapay.sh FirstName LastName\n"
     exit 0
 else
-    uapay_name=$1-$2
+    for i in "$@"
+    do
+        uapay_name="$@"
+    done
 fi
-}
+
+# Format Input
+uapay_formatted_name=${uapay_name// /-}-4329
 
 # Grep Filter
 uapay_filter="and a pay of"
 
 # Query URL
-uapay_output=$(curl -s -k --user-agent $uapay_useragent $uapay_url/$uapay_name-4329 | grep "$uapay_filter")
+uapay_query=$(curl -s -k --user-agent $uapay_useragent $uapay_url/$uapay_formatted_name | grep "$uapay_filter")
 
-# Format output
-#echo ${uapay_output/<\/p>/}
-uapay_output=${uapay_output/\<p class=\"lead font-16 font-weight-400\"\>/}
-uapay_output=${uapay_output/\<\/p\>/}
+# Check Results
+if [ -z "$uapay_query" ]; then
+    echo -e "\n$uapay_name was not found.\n"
+    exit 0
+fi
 
-echo -e "\n$uapay_output\n"
+# Format Output
+uapay_query=${uapay_query/\<p class=\"lead font-16 font-weight-400\"\>/}
+uapay_query=${uapay_query/\<\/p\>/}
+
+# Print Output
+echo -e "\n$uapay_query\n"