Created main Control (#159)

* Created main Control

I'm working on a menu for update and remove too

* Update bash-snippets.sh

bash-snippets.sh

@@ -0,0 +1,75 @@
+#!/bin/env bash
+# Author: Navan Chauhan and Alexander Epstein
+currentVersion="1.21.0"
+configuredClient=""
+
+## This function determines which http get tool the system has installed and returns an error if there isnt one
+getConfiguredClient()
+{
+  if  command -v curl &>/dev/null; then
+    configuredClient="curl"
+  elif command -v wget &>/dev/null; then
+    configuredClient="wget"
+  elif command -v http &>/dev/null; then
+    configuredClient="httpie"
+  elif command -v fetch &>/dev/null; then
+    configuredClient="fetch"
+  else
+    echo "Error: This tool reqires either curl, wget, httpie or fetch to be installed." >&2
+    return 1
+  fi
+}
+
+httpGet()
+{
+  case "$configuredClient" in
+    curl)  curl -A curl -s "$@" ;;
+    wget)  wget -qO- "$@" ;;
+    httpie) http -b GET "$@" ;;
+    fetch) fetch -q "$@" ;;
+  esac
+}
+
+grablatestversion()
+{
+    repositoryName="Bash-Snippets"
+  githubUserName="alexanderepstein"
+  latestVersion=$(httpGet https://api.github.com/repos/$githubUserName/$repositoryName/tags | grep -Eo '"name":.*?[^\\]",'| head -1 | grep -Eo "[0-9.]+" ) #always grabs the tag without the v option
+
+}
+
+checkInternet()
+{
+  httpGet github.com > /dev/null 2>&1 || { echo "Error: no active internet connection" >&2; return 1; } # query github with a get request
+}
+
+header(){
+  COLUMNS=$(tput cols)
+  title="Bash Snippets"
+  installver="Installed Version : $currentVersion"
+  latestver="Latest Version    : $latestVersion"
+  printf "%*s\n" $(((${#title}+$COLUMNS)/2)) "$title"
+  printf "%*s\n" $(((${#installver}+$COLUMNS)/2)) "$installver"
+  printf "%*s\n" $(((${#latestver}+$COLUMNS)/2)) "$latestver"
+
+}
+
+installationcheck(){
+cd /usr/local/bin
+  for f in cheat cloudup crypt cryptocurrency currency geo lyrics meme movies newton qrify short siteciphers stocks taste todo transfer weather ytview
+    do
+      if [ -e $f ]
+        then
+          echo "$f is installed"
+        else
+          echo "$f is not installed"
+        fi
+    done
+
+}
+
+checkInternet
+getConfiguredClient
+grablatestversion
+header
+installationcheck