.functions

# T.O.C.
#
# camerausedby()
# cp_p()
# extract()
# f()
# gifify()
# gitexport()
# gz()
# httpcompression()
# manpdf()
# md()
# phpserver()
# server()
# copy();
#
#

# who is using the laptop's iSight camera?
function camerausedby() {
  echo "Checking to see who is using the iSight camera… 📷"
  usedby=$(lsof | grep -w "AppleCamera\|USBVDC\|iSight" | awk '{printf $2"\n"}' | xargs ps)
  echo -e "Recent camera uses:\n$usedby"
}

# Copy w/ progress
function cp_p () {
  rsync -WavP --human-readable --progress $1 $2
}

# Extract archives - use: extract <file>
# Based on http://dotfiles.org/~pseup/.bashrc
function extract() {
  if [ -f "$1" ] ; then
    local filename=$(basename "$1")
    local foldername="${filename%%.*}"
    local fullpath=`perl -e 'use Cwd "abs_path";print abs_path(shift)' "$1"`
    local didfolderexist=false
    if [ -d "$foldername" ]; then
      didfolderexist=true
      read -p "$foldername already exists, do you want to overwrite it? (y/n) " -n 1
      echo
      if [[ $REPLY =~ ^[Nn]$ ]]; then
        return
      fi
    fi
    mkdir -p "$foldername" && cd "$foldername"
    case $1 in
      *.tar.bz2) tar xjf "$fullpath" ;;
      *.tar.gz) tar xzf "$fullpath" ;;
      *.tar.xz) tar Jxvf "$fullpath" ;;
      *.tar.Z) tar xzf "$fullpath" ;;
      *.tar) tar xf "$fullpath" ;;
      *.taz) tar xzf "$fullpath" ;;
      *.tb2) tar xjf "$fullpath" ;;
      *.tbz) tar xjf "$fullpath" ;;
      *.tbz2) tar xjf "$fullpath" ;;
      *.tgz) tar xzf "$fullpath" ;;
      *.txz) tar Jxvf "$fullpath" ;;
      *.zip) unzip "$fullpath" ;;
      *) echo "'$1' cannot be extracted via extract()" && cd .. && ! $didfolderexist && rm -r "$foldername" ;;
    esac
  else
    echo "'$1' is not a valid file"
  fi
}

# find shorthand
function f() {
  find . -name "$1" 2>&1 | grep -v 'Permission denied'
}

# animated gifs from any video
# from alex sexton   gist.github.com/SlexAxton/4989674
function gifify() {
  if [[ -n "$1" ]]; then
    if [[ $2 == '--good' ]]; then
      ffmpeg -i $1 -r 10 -vcodec png out-static-%05d.png
      time convert -verbose +dither -layers Optimize -resize 600x600\> out-static*.png  GIF:- | gifsicle --colors 128 --delay=5 --loop --optimize=3 --multifile - > $1.gif
      rm out-static*.png
    else
      ffmpeg -i $1 -s 600x400 -pix_fmt rgb24 -r 10 -f gif - | gifsicle --optimize=3 --delay=3 > $1.gif
    fi
  else
    echo "proper usage: gifify <input_movie.mov>. You DO need to include extension."
  fi
}

# take this repo and copy it to somewhere else minus the .git stuff.
function gitexport(){
  mkdir -p "$1"
  git archive master | tar -x -C "$1"
}

# get gzipped size
function gz() {
  echo "orig size    (bytes): "
  cat "$1" | wc -c
  echo "gzipped size (bytes): "
  gzip -c "$1" | wc -c
}

# Test if HTTP compression (RFC 2616 + SDCH) is enabled for a given URL.
# Send a fake UA string for sites that sniff it instead of using the Accept-Encoding header. (Looking at you, ajax.googleapis.com!)
function httpcompression() {
  encoding="$(curl -LIs -H 'User-Agent: Mozilla/5 Gecko' -H 'Accept-Encoding: gzip,deflate,compress,sdch' "$1" | grep '^Content-Encoding:')" && echo "$1 is encoded using ${encoding#* }" || echo "$1 is not using any encoding"
}

# Open man page as PDF
function manpdf() {
  man -t "$1" | open -f -a /Applications/Preview.app/
}

# Create a new folder and cd into it
function md () {
  mkdir -p "$@" && cd "$@";
}

# start a local php server
function phpserver() {
  local port="${1:-4000}";
  local ip=localhost;
  sleep 1 && open "http://${ip}:${port}/" &
  php -S "${ip}:${port}";
}

# Start an HTTP server from a directory, optionally specifying the port
function server() {
  local port="${1:-8000}"
  open "http://localhost:${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"
}

function copy() {
    osascript - "$@" <<'END' 2> /dev/null
on run {a}
set the clipboard to POSIX file (POSIX path of ((POSIX file a) as alias))
end
END
}