cfg/zsh/.zsh/functions

#!/bin/sh

# In the name of Allah, the most Gracious, the most Merciful.
#
#  ▓▓▓▓▓▓▓▓▓▓ 
# ░▓ Author ▓ Abdullah <https://abdullah.today> 
# ░▓▓▓▓▓▓▓▓▓▓ 
# ░░░░░░░░░░ 


# ░█▀▀░█░█░█▀▀░█░░░█░░░░░█▀▀░█░█░█▀█░█▀▀░▀█▀░▀█▀░█▀█░█▀█░█▀▀
# ░▀▀█░█▀█░█▀▀░█░░░█░░░░░█▀▀░█░█░█░█░█░░░░█░░░█░░█░█░█░█░▀▀█
# ░▀▀▀░▀░▀░▀▀▀░▀▀▀░▀▀▀░░░▀░░░▀▀▀░▀░▀░▀▀▀░░▀░░▀▀▀░▀▀▀░▀░▀░▀▀▀
 

mkd ()
{
  mkdir -p "$@" && cd "$_";
}

# for webm videos to mp4

webm2mp4 ()
{
  for file in *.webm
  do 
    ffmpeg -i "$file" "`basename "$file" .webm`.mp4"
  done
}

# mp4 to mp3

mp42mp3 ()
{
  CURRENTMP4HERE=$(ls *.mp4 | wc -l)
  notify-send "Found $CURRENTMP4HERE mp4s, gonna convert them now, be patient"



  for file in *.mp4
  do
    ffmpeg -y -i "$file" "`basename "$file" .mp4`.mp3"
  done



  notify-send "All $CURRENTMP4HERE mp4s have been converted to mp3s and now we are moving them to your music dir"
  CURRENTMP3INMPD=$(ls $HOME/mus/*.mp3 | wc -l)



  notify-send "You have $CURRENTMP3INMPD mp3s in your database"
  mv *.mp3 ~/mus/ -v



  notify-send "All mp3s have been moved to music dir."
  TOTAL=$(($CURRENTMP3INMPD + $CURRENTMP4HERE))


  notify-send "You have got $CURRENTMP4HERE new mp3s. Now you have $TOTAL songs in database. Enjoy your music"
}

# mp3 to aac

mp3toaac () {
  for file in *.mp3
  do
    ffmpeg -y -i "$file" "`basename "$file" .mp3`.aac"
  done
}



speedup ()
{
  base=$(basename $1)
  ext="${base##*.}"
  base="${base%.*}"

  ffmpeg -i $1 -filter:v "setpts=0.5*PTS"  $base'_speed.'$ext


  notify-send "your video has got speed. Enjoy"
}

# aac + image = mp4

aactomkv ()
{
  for files in *.aac
  do
    ffmpeg -y -loop 1 -framerate 1/25 -i image.jpg  -i "$file" -vf "scale='min(1280,iw)':-2, format=yuv420p" -c:v libx264 -preset veryslow -crf 0 -c:a copy  "`basename "$file" .aac`.mkv" 
  done 
}


hdimg () {
# converts images into HD wallpapers 1920x1080
# Accepts globbing as first argument e.g. jpg as first argument will convert all
# jpgs into HD images and saves them into new dir resized in same directory

  ext="$1"
  mkdir resized 2>/dev/null
  
  for file in *."$ext"
  do
    convert $file -resize 1920x1080! resized/`basename $file .$ext`.$ext
  done

}


mp3tomp4 ()
# Makes youtube compliant mp4 from a image( must be a .jpg and its size should be a multiple of 2. Use imagemagic's identify to measure it `identify image.jpg`
# if not a multiple of 2, `convert image.jpg -resize 1024x512! imag2.jpg`
# Usage:
# mp3tomp4 image.jpg audio.mp3 output.mp4
{
  ffmpeg -loop 1 -r 1 -i $1 -i $2 -vcodec libx264 -acodec copy -shortest $3
}


pl ()
{
  mpc searchplay $1
}

mergeaudio ()
# Create a .txt file in same directory and add files to be merged there as "file file1 and on new line, file file2"
# Usage:
# mergeaudio files.txt output.mp3
{
  ffmpeg -f concat -safe 0 -i $1 -c copy $2
}

mergeaudiotovideo ()
# maps audio with video, first arg should be video, second should be audio and
# third should be the output
{
  ffmpeg -i $1 -i $2 -c copy -map 0:v:0 -map 1:a:0 $3
}


# Jobs mail

apply ()
{

  gpg -dq $HOME/bin/misc/job.gpg | mutt -s "Applying for Job"  $1
}

# Encrypt a file to myself

ei ()
{
  gpg -er 5CBC7BC7 $1
}

# Decrypt a file

di ()
{
  gpg -do $1 $2
}

# Bakchod

bakchod ()
{
  echo "$@" | tr a-zA-Z n-za-mN-ZA-M 
}

# mailto

mailto ()
{
  $TERMINAL -e mutt "$@"
}

aa_256 () 
{ 
  local o= i= x=`tput op` cols=`tput cols` y= oo= yy=;
  y=`printf %$(($cols-6))s`;
  yy=${y// /=};
  for i in {0..256};
  do
    o=00${i};
    oo=`echo -en "setaf ${i}\nsetab ${i}\n"|tput -S`;
    echo -e "${o:${#o}-3:3} ${oo}${yy}${x}";
  done
}

ht() { 
  a=$(cat); curl -X POST -s -d "$a" https://hastebin.com/documents | awk -F '"' '{print "https://hastebin.com/"$4}' | xclip ; 
}

fs() 
{
  if du -b /dev/null > /dev/null 2>&1; then
    local arg=-sbh;
  else
    local arg=-sh;
  fi
  if [[ -n "$@" ]]; then
    du $arg -- "$@";
  else
    du $arg .[^.]* ./*;
    fi;
  }

dataurl() 
{
  local mimeType=$(file -b --mime-type "$1");
  if [[ $mimeType == text/* ]]; then
    mimeType="${mimeType};charset=utf-8";
  fi
  echo "data:${mimeType};base64,$(openssl base64 -in "$1" | tr -d '\n')";
}

escape() 
{
  printf "\\\x%s" $(printf "$@" | xxd -p -c1 -u);
  # print a newline unless we’re piping the output to another program
  if [ -t 1 ]; then
    echo ""; # newline
    fi;
  }

# v() 
# {
#   if [ $# -eq 0 ]; then
#     $EDITOR .;
#   else
#     $EDITOR "$@";
#     fi;
#   }
# 
o() 
{
  if [ $# -eq 0 ]; then
    ranger .;
  else
    ranger "$@";
    fi;
  }

tre() 
{
  tree -aC -I '.git|node_modules|bower_components' --dirsfirst "$@" | less -FRNX;
}

ix() {
  local opts
  local OPTIND
  [ -f "$HOME/.netrc" ] && opts='-n'
  while getopts ":hd:i:n:" x; do
    case $x in
      h) echo "ix [-d ID] [-i ID] [-n N] [opts]"; return;;
      d) $echo curl $opts -X DELETE ix.io/$OPTARG; return;;
      i) opts="$opts -X PUT"; local id="$OPTARG";;
      n) opts="$opts -F read:1=$OPTARG";;
    esac
  done
  shift $(($OPTIND - 1))
  [ -t 0 ] && {
    local filename="$1"
      shift
      [ "$filename" ] && {
        curl $opts -F f:1=@"$filename" $* ix.io/$id
              return
            }
          echo "^C to cancel, ^D to send."
        }
      curl $opts -F f:1='<-' $* ix.io/$id
    }
shebang() {
    if i=$(which $1);
    then
        printf '#!/usr/bin/env %s\n\n' $1 > $2 && chmod 755 $2 && $EDITOR + $2 && chmod 755 $2;
    else
        echo "'which' could not find $1, is it in your \$PATH?";
    fi;
    # in case the new script is in path, this throw out the command hash table and
    # start over  (man zshbuiltins)
    rehash
}
webcam () {
    mplayer -cache 128 -tv driver=v4l2:width=350:height=350 -vo xv tv:// -noborder -geometry "+1340+445" -ontop -quiet 2>/dev/null >/dev/null
}

psg () {
  pass generate "$1"  --clip
  cd ~/.password-store
  git push
  cd -
}

weather() {
    curl wttr.in/"$1"
}

cnsp () {
  sudo /etc/rc.d/crond stop
  sleep 1
  sudo /etc/rc.d/crond status
}

cnst () {
  sudo /etc/rc.d/crond start
  sleep 1
  sudo /etc/rc.d/crond status
}

ko () { 
  a=$(cat)
  curl -X POST -s -d "raw:$a" http://kopy.io/documents | awk -F '"' '{print "http://kopy.io/"$4}'
}

pb()
{
    local url='https://paste.c-net.org/'
    if (( $# )); then
        local file
        for file; do
            curl -s \
                --data-binary @"$file" \
                --header "X-FileName: ${file##*/}" \
                "$url"
        done
    else
        curl -s --data-binary @- "$url"
    fi
}

pg()

{
    local url='https://paste.c-net.org/'
    if (( $# )); then
        local arg
        for arg; do
            curl -s "${url}${arg##*/}"
        done
    else
        local arg
        while read -r arg; do
            curl -s "${url}${arg##*/}"
        done
    fi
}

ap()
{
  sudo apt update && sudo apt full-upgrade -V
}


gct()
{
  token=$(pass gist/github)
  curl -u Awan:$token -X POST https://api.github.com/user/repos -d '{"name":"'$1'"}'
  git init
  git remote add origin git@github.com:Awan/$1.git
}

endot ()
{
  cd ~/cfg
  [[ -f ~/cfg/encrypted.tar.gz.age ]] && rm ~/cfg/encrypted.tar.gz.age
  tar cz etc/.local/share/misc misc | age -R ~/.ssh/id_ed25519.pub > encrypted.tar.gz.age
}

dedot ()
{
  cd ~/cfg
  age -i ~/.ssh/id_ed25519 -d -o encrypted.tar.gz encrypted.tar.gz.age
  tar xf encrypted.tar.gz
  rm encrypted.tar.gz
  stow etc
}

sne ()
{
  sudo systemctl --now enable $1
}

snd ()
{
  sudo systemctl stop $1
}

gadd ()
{
  sudo gpasswd -a "$USER" "$1"
}

ed ()
{
  "$EDITOR" "$@"
}

mpgo ()
{
  mkdir /tmp/mpv -p
  if [[ -n $1 ]]; then
    clipboard=$1
  else
    clipboard=$(xsel -b)
  fi
  if [[ $clipboard =~ ^http ]] || [[ -f $clipboard ]]; then
		echo "$clipboard" > /tmp/mpv/last_link
		# ytdl messes up direct links for some reason (slow)
		mpv --no-ytdl --screenshot-template="./%tY.%tm.%td_%tH:%tM:%tS" "$clipboard"
	elif [[ $clipboard =~ ^magnet ]]; then
		echo "$clipboard" > /tmp/mpv/last_link
		 peerflix  "$clipboard" --mpv -- --no-ytdl \
			--screenshot-template="./%tY.%tm.%td_%tH:%tM:%tS"
	fi
}

mplast ()
{
  mpgo "$(< /tmp/mpv/last_link)"
}

arec ()
{
  if [[ $# -ne 1 ]]; then
    return 1
  fi
  arecord -vv -f wav "$1"
}

ram () 
{
	local sum
	local items
	local app="$1"
	if [ -z "$app" ]; then
		echo "First argument - pattern to grep from processes"
	else
		sum=0
		for i in `ps aux | grep -i "$app" | grep -v "grep" | awk '{print $6}'`; do
		sum=$(($i + $sum))
	done
		sum=$(echo "scale=2; $sum / 1024.0" | bc)
	if [[ $sum != "0" ]]; then
		echo "${fg[blue]}${app}${reset_color} uses ${fg[green]}${sum}${reset_color} MBs of RAM."
	else
		echo "There are no processes with pattern '${fg[blue]}${app}${reset_color}' are running."
	fi
	fi
}

pdfmerge () 
{
	local tomerge
	tomerge=""
	for file in "$@"; do
		tomerge="$tomerge $file"
	done
	pdftk "$tomerge" cat output mergd.pdf
}

bkmeup ()
{
  cp -riv $1 ${1}-$(date +%d-%m-%Y-%H:%M).bak
}


sprunge ()
{
  tail -n +1 -- "$@" | curl -F 'sprunge=<-' http://sprunge.us
}

removeaudio ()
{
  ffmpeg -i $1 -vcodec copy -an $2
}


apkname ()
{
  package="$1"
  adb shell pm list packages | awk -F: -v pkg=$package 'index($0, pkg) {print $2}'
}

apkpath ()
{
  package="$1"
  adb shell pm path $package | awk -F: -v pkg=$package 'index($0, pkg) {print $2}'
}

apkbkup ()
{
    # Create a backup for an android application
    # Get application name using apkname function
    # This backup can be restored later using `adb install application.apk; adb restore backup.adb`
    backup_file="$1".adb
    application="$2"
    adb backup -f "$backup_file" -apk "$application"
}

playandroid ()
# play music files on android. first argument should be the path and second should be the file format, like, audio/mp3, video/mp4
{
  music_file="$1"
  format="$2"
  adb shell am start -a android.intent.action.VIEW -d file://$music_file -t $format
}

imei ()
# Get IMEI from connected android devices
{
  adb shell 'service call iphonesubinfo 1 | grep -o "[0-9a-f]\{8\} " | tail -n+3 | while read a; do echo -n "\u${a:4:4}\u${a:0:4}"; done'

}

apkrun ()
# starts an apk which you give to it as first argument. You can get the name of
# the package by using `adb shell pm list packages`
{
  package_name="$1"
  adb shell monkey -p $package_name 1
}

apkstop ()
{
  package_name="$1"
  adb shell am force-stop $package_name
}

apkun ()
{
  adb shell pm uninstall "$1"
}

lightmin ()
# Set brightness to minimum
{
  echo 100 | sudo tee /sys/class/backlight/intel_backlight/brightness
}

lightmax ()
# Set brightness to maximum
{
  echo 852 | sudo tee /sys/class/backlight/intel_backlight/brightness
}

#light ()
# Set brightness as first argument
#{
#  new_brightness="$1"
#  echo $new_brightness | sudo tee
#  /sys/class/backlight/intel_backlight/#brightness
#}

bulkrename ()
# replace spaces with underscores, change upper to lower case, remove extra # underscores.
{
  find "$1" -depth | while read line; do
  dir="$(dirname "$line")"
  old="$(basename "$line")"
  new="$(echo $old | tr ' ' '_' \
    | tr -d '()[]{},?!' | tr -d "'" \
    | tr '[[:upper:]]' '[[:lower:]]' \
    | sed 's/__/_/g' | sed 's/_-_/-/g' )"
  [[ "$old" != "$new" ]] && mv -iv "$dir/$old" "$dir/$new"
done
}

tf ()
{
  string="$1"
  toilet -f smmono12.tlf $string | lolcat
}

aur ()
{
  cd $HOME/git 
  package_name="$1"
  aur_url="https://aur.archlinux.org"
  git clone $aur_url/$package_name
  cd $package_name
  $EDITOR PKGBUILD
}

#haq ()
## Listen to Holy Quran's Ayah by numbers.
#{
#zero_pad(){
#  # zero_pad <string> <length>
#  [ ${#1} -lt $2 ] && printf "%0$(($2-${#1}))d" ''
#  printf "%s\n" "$1"
#}
#which_surah="$1"
#which_ayah="$2"
#qari="$3"
#shuraim_dir=$HOME/kit/verses/shuraim
#sudais_dir=$HOME/kit/verses/sudais
#surah=$(zero_pad $which_surah 3)
#ayah=$(zero_pad $which_ayah 3)
#
#play_shuraim(){
#   /usr/bin/mplayer $shuraim_dir/$surah$ayah.mp3
#}
#play_sudais(){
#  /usr/bin/mplayer $sudais_dir/$surah$ayah.mp3
#}
#if [[ $qari == 'shuraim' ]]; then
#  play_shuraim
#fi
#
#if [[ $qari == 'sudais' ]]; then
#  play_sudais
#fi
#}

gfc ()
# git initial commit
{
  arabic="بِسْمِ ٱللّٰهِ ٱلرَّحْمَٰنِ ٱلرَّحِيم"
  english='In the name of Allah SWT, the most Gracious, the most Merciful.'
  git commit -m "$arabic - $english"
}

ports ()
{
  sudo lsof -nPi | grep -i listen | awk '{print substr($1, 1, 7), substr($3, 1, 7), $5, $8, $9}' | sort | uniq | tr ' ' '\t'
}

listcon ()
{
  port=$1
  host=$(uname)
  netstat -atn | grep "$port" | sort -k5
}

replace_all() { ag "$1" -l | xargs sed -i -e "s/$1/$2/g" }

aw ()
# search arch wiki
{
  query="$1"
  site="https://wiki.archlinux.org/index.php?search="
  $BROWSER $site$query

}

purgegit () {
  # Create a temporary branch and checkout
  git checkout --orphan purge
  # Add all the files and commit
  git commit -am 'In the name of Allah, the most Gracious, the most Merciful'
  # Delete the master branch
  git branch -D master
  # Rename the temporary branch to master
  git branch -m master
  # Push the changes forcefully
  git push -uf origin master

}

wallpaper ()
{
  # Convert an image into wallpaper using imagemagick
  # and then sets it as wallpapers using feh
  convert "${1}" -gravity Center -resize 1920 -crop 1920x1080+0+0 png:- \
    | feh --bg-scale -
}

gr()
{
  # Search recursively with grep
  grep --color=auto -R "$*"
}

calc()
# Start a calculator
{
  python -q
}

transfer() {

    tmp_file=$(mktemp /tmp/transfer_XXXXXXXX)
    trap 'rm ${tmp_file}' EXIT

    # Help. In case no arguments specified
    if [[ $# == 0 ]]; then
        echo "No arguments specified. Usage:"
        echo "$ transfer /tmp/test.md"
        echo "$ cat /tmp/test.md | transfer test.md"
        exit 1
    fi

    # Upload either from file or stdin
    if tty -s; then
        basefile=$(basename "${1}" | sed -e 's/[^a-zA-Z0-9._-]/-/g')
        curl --progress-bar --upload-file "${1}" "https://transfer.sh/${basefile}" >> "${tmp_file}"
    else
        curl --progress-bar --upload-file "-" "https://transfer.sh/${1}" >> "${tmp_file}"
    fi

    # Print download link
    cat "${tmp_file}"
    echo
}

push() {
  # http post files
  file_to_be_pushed="$1"
  type_of_file="$2"
  if [ "$type_of_file" = "f" ] || [ -z "$type_of_file" ]; then
    curl -F "file=@$file_to_be_pushed" http://0x0.st  | xclip
  elif [ "$type_of_file" = "u" ]; then
    curl -F "url=$file_to_be_pushed" http://0x0.st | xclip
  elif [ "$type_of_file" = "s" ]; then
    curl -F "shorten=$file_to_be_pushed" http://0x0.st | xclip
  fi
}

#m() {
#
#  mpd_state="$(mpc | awk '/playing|paused/ {print $1}')"
#  files=$@
#  if [ $mpd_state = '[playing]' ]; then
#   state=0
#  else
#    state=1
#  fi
#
#  play() {
#   if [ $state = 0 ]; then
#    mpc pause >/dev/null
#    /usr/bin/mpv $files
#    mpc play >/dev/null
#  else
#    /usr/bin/mpv $files
#  fi
#  }
#play
#}

dua() {
  echo "بارك الله فيك وبارك لك ونفع بك حقق الله أمنياتك وأسعدك في الدنيا والآخرة" \
  | xclip -selection clipboard
}

sitemap() {
  # submit sitemap to google 
  # For simplicity, add sitemap to robots.txt and then use this function to 
  # update it in Google like this: sitemap https://abdullah.today/robots.txt
  google_url="https://www.google.com/webmasters/sitemaps/ping?sitemap="
  path=$1
  /usr/bin/curl $google_url$path
}

baqara() {
  /usr/bin/mpv --no-resume-playback ~/haq/shuraim/002{001..286}.mp3 
}

gifspeed() {
  # reduce gif speed to half

  mkdir -p gifs_with_speed

  for file in *.gif
  do
    convert -delay 10x100 $file gifs_with_speed/`basename $file`
  done
}


mkuser () {
  # Create a new user with creating new homedir, zsh as shell, adding it to
  # audio, video and wheel group 

  username="$1"
  sudo useradd -m -G wheel,input,audio,video -s `which zsh` "$username" && sudo passwd "$username"

}

Q () {
  # listen to Holy Quran
  Surah="$1"
  Ayah="$2"
  Qari="$3"
  path="$HOME/haq/sudais/"
  [ -z "$Qari" ] && path="$HOME/haq/shuraim/"
 
  if [ -z "$Surah" ] || [ -z "$Ayah" ]; then
    exit 1
  fi
    printf -v file '%03d%03d.mp3' "$Surah" "$Ayah" && \
  /usr/bin/mpv --no-resume-playback "$path""$file"
}

Qt () {
  # listen Holy Quran with Urdu translation
  # Surah is a multipurpose Python script which feeds metadata into Verses.
  _listen="$(Surah $1)"
  surah=$(echo -n "${_listen//[[:space:]]/}.mp3")
  Quran_path="$HOME/kit/mp3/urdu/"
 /usr/bin/mpv --no-resume-playback $Quran_path$surah &
}

mg () {
  awk -v newsums="$(makepkg -g)" '
BEGIN {
  if (!newsums) exit 1
}

/^[[:blank:]]*(md|sha)[[:digit:]]+sums=/,/\)[[:blank:]]*$/ {
  if (!i) print newsums; i++
  next
}

1
' PKGBUILD > PKGBUILD.new && mv PKGBUILD{.new,}
}

pacaur() {
  comm -23 <(pacman -Qqm | sort) <(curl https://aur.archlinux.org/packages.gz | gzip -cd | sort)
}

vers() {
  output_file="$1"
  surah="$2"
  verses="$3"

  if [ -z "$surah" ] || [ -z "$verses" ]; then
    exit 1
  fi

  for i in $(seq 1 $verses);
  do
    printf -v file '%03d%03d.mp3' $surah $i; echo "## _Ayat $i :arrow_heading_down:_\n{{< audio mp3=https://gitlab.com/Abdullah/haq/-/raw/master/shuraim/$file >}}\n" >> $output_file;
  done

}

getscr() {
  # Sometimes needed to cp scrot to ~/pix/scrots
  scrot_file="/tmp/foo.png"
  scrot_dir="$HOME/pix/scrots/"
  new_scrot_file="$1"
  [ -z $new_scrot_file ] && new_scrot_file="scrot-$(date +%d-%m-%Y-%H-%M-%S)"
  cp $scrot_file $scrot_dir$new_scrot_file.png && \
    echo $scrot_dir$new_scrot_file.png && \
    notify-send -t 3500 -i \
    $HOME/.local/share/icons/drops/imgur.png \
    "Screenshot saved: $new_scrot_file.png" 
  feh $scrot_dir$new_scrot_file.png
}

srm () {
# Shred and rm
  files_to_be_operated_on="$@"
  shred "$files_to_be_operated_on" && rm "$files_to_be_operated_on"
}

hg () {
  # runs hugo in root dir of my website project
  webdir="$HOME/git/mysite/"
  echo "Current dir is $PWD"
  echo "Building your website in $webdir"
  cd "$webdir"
  hugo --gc=true
  cd public && echo "add your files and commit them!"
}

dep () 
{
  # deploy changes to website after you have pushed the master repo with same
  # commit message
  # fetch latest commit message
  site_url="https://abdullah.today"
  source_dir="$HOME/git/mysite/"
  rendered_dir="$HOME/git/mysite/public/"
  cd "$source_dir"
  msg="$(git log -n1 --format='%B')"
  hugo -D
  cd "$rendered_dir"
  git add .
  echo "Run git status and commit now!"
  git commit -am "$msg" && git push; cd "$source_dir"; git push
  echo "$site_url is live now!" 
}

hgn ()
{ 
  arg="$@"
  if [ -z $arg ]; then
    echo "Please give me a name!"
  fi

  # Create new post and edit with $EDITOR
  if [ -d ~/git/mysite/ ]; then
    posts_dir="$HOME/git/mysite/content/posts"
    cd "$HOME/git/mysite/"
    hugo new $posts_dir/$arg --editor $EDITOR\
      || $EDITOR $posts_dir/$arg
  fi
}

gbi ()
{
  git branch --all --no-color |
  sed -e 's/\*/ /' |
  while read branch; do
	  branch=${branch%% *}
	  ref=$branch
	case $ref in
	  */HEAD)		continue;;
	  remotes/*)	color='magenta'; branch=${branch#remotes/};;
	  *)		color='yellow';;
	esac
	git log -1 --format=format:"%C($color)${branch}%C(reset) %s %C(blue)(%cr)%C(reset)" "$ref"
done
}

isinstalled () {
    prog=$1
    if [[ $(command -v ${prog}) == "" ]]; then
        echo -e "${prog} is not installed!"
        return 1
    fi
    echo -e "${prog} is installed!"
    return 0
}

newest () 
{
    /usr/bin/ls -Art $1* | tail -n 1
}

bbb ()
{
    base64 < "$1" | tr -d '\n' | xclip
}

man() {
    LESS_TERMCAP_md=$'\e[01;31m' \
    LESS_TERMCAP_me=$'\e[0m' \
    LESS_TERMCAP_se=$'\e[0m' \
    LESS_TERMCAP_so=$'\e[01;44;33m' \
    LESS_TERMCAP_ue=$'\e[0m' \
    LESS_TERMCAP_us=$'\e[01;32m' \
    command man "$@"
}

andial() {
# Make a phone call from connected android devices
    phone_number="$1"
    adb shell am start -a android.intent.action.CALL -d tel:$phone_number
}

macgen() {
# mac generator
dd if=/dev/random bs=2 count=3 2>/dev/null | perl -e '$hex = <>; $hex = unpack("H*", $hex) ; $hex =~ s/(..)(?!.?$)/$1:/g; print "$hex\n"'
}

kp() {
# kill a process like opera, chrome
local sum
local items
local app="$1"
if [ -z "$app" ];
then
    echo "First argument - pattern to grep from processes"
else
    sum=0
    for i in `ps aux | grep -i "$app" | grep -v "grep" | awk '{print $6}'`
    do
        sum=$(($i + $sum))
    done
    sum=$(echo "scale=2; $sum / 1024.0" | bc)
    if [[ $sum != "0" ]]
    then
        echo "${fg[blue]}${app}${reset_color} is having ${fg[green]}${sum}${reset_color} MBs of RAM."
    for i in `ps aux | grep -v 'grep' | grep -i "$app" | awk '{print $2}'`
    do
        notify-send -i ${app} -t 1500 "process ${i} is gone!"
        kill -9 $i
    done
else
    echo "There are no processes with pattern '${fg[blue]}${app}${reset_color}' are running."
    fi
fi
}

ryt()
{
# record a youtube video from my screen
    today="$HOME/you/yt-"$(date +%F_%T)
    ffmpeg -f pulse -ac 2 -i default -f x11grab -r 30 -s 1920x1080 -i :0.0 -acodec pcm_s16le -vcodec libx264 -preset ultrafast -threads 0 -vf "drawtext=text='Follow me on   AbdullahToday  AbdullahToday  AbdullahToday  https\://abdullah.today':y=h-line_h-50:x=if(eq(t\,0)\,w\,if(lt(x\,(0-tw))\,w\,x-4)):fontsize=75:fontfile=/usr/share/fonts/nerd-fonts-complete/TTF/Go Mono Nerd Font Complete.ttf:fontcolor=white" $today.mkv

 }

rtty()
{
    # record my tty for youtube
    today="$HOME/you/yt-"$(date +%F_%T)
    ffmpeg -f pulse -ac 2 -i default -f fbdev -r 30 -i /dev/fb0 -acodec pcm_s16le -vcodec libx264 -preset ultrafast -threads 0 -vf "drawtext=text='Follow me on   AbdullahToday  AbdullahToday  AbdullahToday  https\://abdullah.today':y=h-line_h-50:x=if(eq(t\,0)\,w\,if(lt(x\,(0-tw))\,w\,x-4)):fontsize=75:fontfile=/usr/share/fonts/nerd-fonts-complete/TTF/Go Mono Nerd Font Complete.ttf:fontcolor=white" $today.mkv 
}

rarea()
{
    # Record an area of the screen. Hacksaw is the dependency.
    today="$HOME/you/yt-"$(date +%F_%T)
    hacksaw -n | IFS=+x read -r w h x y
    w=$((w + w % 2))
    h=$((h + h % 2))
    ffmpeg -v 16 -r 30 -f x11grab -s "${w}x${h}" -i ":0.0+$x,$y" -preset ultrafast -c:v h264 -pix_fmt yuv420p -crf 20 $today.mkv
}

rec4mobi()
{
    # Record videos for mobile devices
    today="$HOME/you/mob-"$(date +%F_%T)
    ffmpeg -f pulse -ac 2 -i default -f x11grab -r 30 -s 1920x1080 -i :0.0 -acodec aac -b:a 320k -ar 48000 -vcodec libx264 -preset ultrafast -b:v 15M -threads 4 -pix_fmt yuv420p -cpu-used 0 $today.mp4

}

drd()
{
feh --bg-scale '/home/ak/pix/wall/collection/470768.jpg'
}

andvid()
{
    # convert video mobile friendly
    # Don't foret to give output file with an extension
    video_file="$1"
    output_file="$2"
    ffmpeg -i $video_file -vcodec h264 -s 1280x720 $output_file

}

draw()
{
    # floating window of $TERMINAL with specified geometry
    # Get geometry
    thickness=$(bspc config border_width)
    color=$(bspc config focused_border_color)
    hacksaw -ns $thickness -c $color | IFS=+x read -r w h x y
    # Add a new rule
    bspc rule -a \* -o state=floating rectangle="$((w - 2 * thickness))x$((h - 2 * thickness))+$x+$y"
    # Execute $TERMINAL
    $TERMINAL &
}

zal () {
    curl -s https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/2.5_day.csv
}

nowall()
{
 awk '{print $4}' ~/.fehbg | xargs rm
 systemctl --user restart wallpaper.service
}

doips()
{
    # docker containers IPs with IDs
    for ID in $(docker ps -q | awk '{print $1}');
    do
        IP=$(docker inspect --format="{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}" "$ID")
        NAME=$(docker ps | grep "$ID" | awk '{print $NF}')
        printf "%s %s\n" "$IP" "$NAME"
    done
}

usbtr() {
    # Open connected android devices USB Tethering settings
    adb shell am start -n com.android.settings/.TetherSettings
}

geometry() {
    # Get a geometry for panel and other apps to put their window there
    if [ -x /usr/sbin/slop ]; then
        slop -f "%xx%y+%w+%h"
    else
        echo "Please install slop first..."
    fi
}

encme() {
	# encrypt files to myself with age
	recipient="$HOME/.ssh/id_ed25519.pub"
	files="$1"
	age -R $recipient $files > $files.age
}