Add nameavability

nameavability/nameavability.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+
+check_commands() {
+    failure=false
+    for cmd in "dig" "curl"; do
+        if ! command -v $cmd &> /dev/null; then
+            echo "'$cmd' must be installed"
+            failure=true
+        fi
+    done
+
+    if $failure; then
+        exit 1
+    fi
+}
+
+main() {
+    for name in $@; do
+        echo "---> $name"
+        for tld in "com" "org" "net" "io"; do
+            dst_ip=`dig 1.1.1.1 +short $name.$tld | tail -n 1`
+            if [ ! $dst_ip ]; then
+                echo -e "\t$name.$tld: AVAILABLE"
+            else
+                echo -e "\t$name.$tld: NOT available"
+            fi
+        done
+
+        github_availability=`curl -o /dev/null -s -w "%{http_code}" https://github.com/$name`
+        if [ "$github_availability" == "200" ]; then
+            echo -e "\tGitHub: NOT available"
+        else
+            echo -e "\tGitHub: AVAILABLE"
+        fi
+    done
+}
+
+check_commands
+main $@