Look mom, I finally have a *real* dotfiles repo like the cool kids! 😎

zsh/functions.zsh

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+# Make new directory and change into it (this seems like a no-brainer)
+mkcd() {
+  mkdir -p -- "$1" &&
+  cd -P -- "$1"
+}
+
+# Start an HTTP server from a directory, optionally specifying the port
+serve() {
+  local port="${1:-8000}"
+  sleep 1 && open "http://localhost:${port}/" &
+  # Set the default Content-Type to `text/plain` instead of `application/octet-stream`
+  # And serve everything as UTF-8 (although not technically correct, this doesn’t break anything for binary files)
+  python -c $'import SimpleHTTPServer;\nmap = SimpleHTTPServer.SimpleHTTPRequestHandler.extensions_map;\nmap[""] = "text/plain";\nfor key, value in map.items():\n\tmap[key] = value + ";charset=UTF-8";\nSimpleHTTPServer.test();' "$port"
+}
+
+# Start a bash shell inside of a running Docker container
+docker-bash() {
+  docker exec -ti $1 /bin/bash
+}
+
+# Extract a compressed archive without worrying which tool to use
+extract() {
+  if [ -f $1 ] ; then
+    case $1 in
+      *.tar.bz2)   tar xjf $1    ;;
+      *.tar.gz)    tar xzf $1    ;;
+      *.bz2)       bunzip2 $1    ;;
+      *.rar)       unrar x $1    ;;
+      *.gz)        gunzip $1     ;;
+      *.tar)       tar xf $1     ;;
+      *.tbz2)      tar xjf $1    ;;
+      *.tgz)       tar xzf $1    ;;
+      *.zip)       unzip $1      ;;
+      *.Z)         uncompress $1 ;;
+      *.7z)        7z x $1       ;;
+      *)           echo "'$1' cannot be extracted via extract()" ;;
+    esac
+  else
+    echo "'$1' is not a valid file"
+  fi
+}
+
+# Find the real location of a short URL
+unshort() {
+  curl -sIL $1 | sed -n 's/Location: *//p'
+}
+
+# Create a git.io short URL
+gitio() {
+  if [ -z "${1}" ] || [ -z "${2}" ]; then
+    echo "Usage: \`gitio slug url\`"
+    return 1
+  fi
+  curl -i https://git.io/ -F "url=${2}" -F "code=${1}"
+}
+
+# List files in an S3 buckett
+s3ls() {
+  aws s3 ls s3://$1
+}
+
+# Push a local SSH public key to another machine
+# https://github.com/rtomayko/dotfiles/blob/rtomayko/.bashrc
+push_ssh_cert() {
+  local _host
+  test -f ~/.ssh/id_rsa.pub || ssh-keygen -t rsa
+  for _host in "$@";
+  do
+    echo $_host
+    ssh $_host 'cat >> ~/.ssh/authorized_keys' < ~/.ssh/id_rsa.pub
+  done
+}