diff --git a/sh/compandy b/sh/compandy
deleted file mode 100755
index 75e98a3..0000000
--- a/sh/compandy
+++ /dev/null
@@ -1,25 +0,0 @@
-#!/usr/bin/zsh
-# script to make sense of compand's parameters
-# YES_ZSH
-
-compandy() { ### @-
-    ### generate compand arguments for ffmpeg audio filters.
-    ### this is kinda pointless now that acompressor is wildly supported.
-    if [ $# -eq 0 ]; then
-        echo -E "usage: $0 {threshold} {ratio} [attack] [release] [knee] [gain] [delay]"
-        return 1
-    fi
-    local thresh="${1:-10}" ratio="${2:-2}"
-    local atk="${3:-1}" rel="${4:-100}"
-    local knee="${5:-1}" gain="${6:-0}" delay="${7:-0}"
-    let 'atk/=1000.'
-    let 'rel/=1000.'
-    let 'delay/=1000.'
-    local end= start=
-    let 'end=thresh - thresh/(ratio + 0.0)'
-    let 'start=thresh'
-    printf "compand=%.5f|%.5f:%.5f|%.5f:%.1f/%.1f|0/%.2f:%.2f:%.2f:%.1f:%.5f" \
-      $atk $atk $rel $rel $thresh $thresh $end $knee $gain $start $delay
-}
-
-[ -n "${preload+-}" ] || compandy "$@"
diff --git a/sh/disf b/sh/disf
deleted file mode 100755
index 58ca733..0000000
--- a/sh/disf
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/usr/bin/env sh
-# disassembles a function given its symbolic name.
-# YES_ZSH
-# YES_BASH
-
-# does not work with busybox sed (yet?)
-
-disf() { ### @-
-    ### disassemble a single function from an unstripped executable, unreliably.
-    [ $# -le 2 ] || { printf "%s\n" "$0: too many arguments" >&2; return 1; }
-    local exe="${1:?first argument should be an unstripped executable}"
-    local symbol="${2:?second argument should be a function name}"
-    # note: relies on GNU sed: https://unix.stackexchange.com/a/78485
-    objdump -d -C --no-show-raw-insn "$exe" | sed '/<'"$symbol"'>:/,/^$/!d;//d'
-}
-
-[ -n "${preload+-}" ] || disf "$@"
diff --git a/sh/fasd b/sh/fasd
deleted file mode 100755
index 6e82298..0000000
--- a/sh/fasd
+++ /dev/null
@@ -1,680 +0,0 @@
-#!/usr/bin/env sh
-
-# Fasd (this file) can be sourced or executed by any POSIX compatible shell.
-
-# Fasd is originally written based on code from z (https://github.com/rupa/z)
-# by rupa deadwyler under the WTFPL license. Most if not all of the code has
-# been rewritten.
-
-# Copyright (C) 2011, 2012 by Wei Dai. All rights reserved.
-#
-# Permission is hereby granted, free of charge, to any person obtaining
-# a copy of this software and associated documentation files (the
-# "Software"), to deal in the Software without restriction, including
-# without limitation the rights to use, copy, modify, merge, publish,
-# distribute, sublicense, and/or sell copies of the Software, and to
-# permit persons to whom the Software is furnished to do so, subject to
-# the following conditions:
-#
-# The above copyright notice and this permission notice shall be included
-# in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-get_vcs() {
-    local begin_path=$1
-    cd "$begin_path"
-    while [ "$PWD" != "/" ]; do
-        if { [ -d .git ] || [ -d .hg ] ;} then
-            echo $PWD
-            return
-        fi
-        cd ..
-    done
-    echo "$begin_path"
-}
-
-fasd() {
-
-  # make zsh do word splitting inside this function
-  [ "$ZSH_VERSION" ] && emulate sh && setopt localoptions
-
-  case $1 in
-  --init) shift
-    while [ "$1" ]; do
-      case $1 in
-        env)
-          { # Load configuration file based on XDG Base Directory Spec.
-
-          if [ -s "$XDG_CONFIG_HOME/fasd/config" ]; then
-            . "$XDG_CONFIG_HOME/fasd/config"
-          # Fallback for when $XDG_CONFIG_HOME is unset
-          elif [ -s "$HOME/.config/fasd/config" ]; then
-            . "$HOME/.config/fasd/config"
-          elif [ -s "$XDG_CONFIG_DIRS/fasd/config" ]; then
-            . "$XDG_CONFIG_DIRS/fasd/config"
-          # Fallback for when $XDG_CONFIG_DIRS is unset
-          elif [ -s "/etc/xdg/fasd/config" ]; then
-            . "/etc/xdg/fasd/config"
-          # Fallback to old rc for backward compatibility
-          else
-            [ -s "/etc/fasdrc" ] && . "/etc/fasdrc"
-            [ -s "$HOME/.fasdrc" ] && . "$HOME/.fasdrc"
-          fi
-
-          # set default options
-          [ -z "$_FASD_GREP" ] && _FASD_GREP=grep
-          if [ -z "$_FASD_DATA" ]; then
-            if [ -n "$XDG_CACHE_HOME" ]; then
-              _FASD_DATA="$XDG_CACHE_HOME/fasd"
-            else
-              _FASD_DATA="$HOME/.cache/fasd"
-            fi
-          fi
-          [ -z "$_FASD_BLACKLIST" ] && _FASD_BLACKLIST="--help"
-          [ -z "$_FASD_SHIFT" ] && _FASD_SHIFT="sudo busybox"
-          [ -z "$_FASD_IGNORE" ] && _FASD_IGNORE="fasd ls echo"
-          [ -z "$_FASD_SINK" ] && _FASD_SINK=/dev/null
-          [ -z "$_FASD_TRACK_PWD" ] && _FASD_TRACK_PWD=1
-          [ -z "$_FASD_MAX" ] && _FASD_MAX=2000
-          [ -z "$_FASD_BACKENDS" ] && _FASD_BACKENDS=native
-          [ -z "$_FASD_FUZZY" ] && _FASD_FUZZY=2
-          [ -z "$_FASD_VIMINFO" ] && _FASD_VIMINFO="$HOME/.viminfo"
-          [ -z "$_FASD_RESOLVE_SYMLINKS" ] && _FASD_RESOLVE_SYMLINKS=0
-          [ -z "$_FASD_ONLY_VCS" ] && _FASD_ONLY_VCS=1
-          [ -z "$_FASD_RECENTLY_USED_XBEL" ] && \
-            _FASD_RECENTLY_USED_XBEL="$HOME/.local/share/recently-used.xbel"
-          [ -z "$_FASD_NOCASE" ] && _FASD_NOCASE=0
-
-          if [ -z "$_FASD_AWK" ]; then
-            # awk preferences
-            local awk; for awk in mawk gawk original-awk nawk awk; do
-              $awk "" && _FASD_AWK=$awk && break
-            done
-          fi
-        } >> "${_FASD_SINK:-/dev/null}" 2>&1
-        ;;
-
-      auto) cat <<EOS
-{ if [ "\$ZSH_VERSION" ] && compctl; then # zsh
-    eval "\$(fasd --init posix-alias zsh-hook zsh-ccomp zsh-ccomp-install \\
-      zsh-wcomp zsh-wcomp-install)"
-  elif [ "\$BASH_VERSION" ] && complete; then # bash
-    eval "\$(fasd --init posix-alias bash-hook bash-ccomp bash-ccomp-install)"
-  else # posix shell
-    eval "\$(fasd --init posix-alias posix-hook)"
-  fi
-} >> "$_FASD_SINK" 2>&1
-
-EOS
-        ;;
-
-      posix-alias) cat <<EOS
-alias a='fasd -a'
-alias s='fasd -si'
-alias sd='fasd -sid'
-alias sf='fasd -sif'
-alias d='fasd -d'
-alias f='fasd -f'
-# function to execute built-in cd
-fasd_cd() {
-  if [ \$# -le 1 ]; then
-    fasd "\$@"
-  else
-    local _fasd_ret="\$(fasd -e 'printf %s' "\$@")"
-    [ -z "\$_fasd_ret" ] && return 1
-    [ -d "\$_fasd_ret" ] && cd "\$_fasd_ret" || printf '%s\\n' "\$_fasd_ret"
-  fi
-}
-alias z='fasd_cd -d'
-alias zz='fasd_cd -d -i'
-
-EOS
-        ;;
-
-      tcsh-alias) cat <<EOS
-alias a 'fasd -a';
-alias s 'fasd -si';
-alias sd 'fasd -sid';
-alias sf 'fasd -sif';
-alias d 'fasd -d';
-alias f 'fasd -f';
-alias z 'cd "\`fasd -d -e printf\\ %s \\!*\`" >& /dev/null || fasd -d';
-EOS
-        ;;
-
-      zsh-hook) cat <<EOS
-# add zsh hook
-_fasd_preexec() {
-  { fasd --proc \$(fasd --sanitize "\${2:q}") } >> "$_FASD_SINK" 2>&1
-}
-autoload -Uz add-zsh-hook
-add-zsh-hook preexec _fasd_preexec
-
-EOS
-        ;;
-
-      bash-hook) cat <<EOS
-_fasd_prompt_func() {
-  local _exit_code="\$?"
-  eval "fasd --proc \$(fasd --sanitize \$(history 1 | \\
-    sed "s/^[ ]*[0-9]*[ ]*//"))" >> "$_FASD_SINK" 2>&1
-  # preserve exit code
-  return \$_exit_code
-}
-
-# add bash hook
-case \$PROMPT_COMMAND in
-  *_fasd_prompt_func*) ;;
-  *) PROMPT_COMMAND="_fasd_prompt_func;\$PROMPT_COMMAND";;
-esac
-
-EOS
-        ;;
-
-      posix-hook) cat <<EOS
-_fasd_ps1_func() {
-  { eval "fasd --proc \$(fasd --sanitize \$(fc -nl -1))"; } \\
-    >> "$_FASD_SINK" 2>&1
-}
-case \$PS1 in
-  *_fasd_ps1_func*) ;;
-  *) export PS1="\\\$(_fasd_ps1_func)\$PS1";;
-esac
-
-EOS
-        ;;
-
-      tcsh-hook) cat <<EOS
-alias fasd-prev-cmd 'fasd --sanitize \`history -h 1\`';
-alias precmd 'eval "fasd --proc \`fasd-prev-cmd\`" >& /dev/null';
-EOS
-
-        ;;
-
-      zsh-ccomp) cat <<EOS
-# zsh command mode completion
-_fasd_zsh_cmd_complete() {
-  local compl
-  read -c compl
-  (( \$+compstate )) && compstate[insert]=menu # no expand if compsys loaded
-  reply=(\${(f)"\$(fasd --complete "\$compl")"})
-}
-
-EOS
-        ;;
-
-      zsh-wcomp) cat <<EOS
-(( \$+functions[compdef] )) && {
-  # zsh word mode completion
-  _fasd_zsh_word_complete() {
-    [ "\$2" ] && local _fasd_cur="\$2"
-    [ -z "\$_fasd_cur" ] && local _fasd_cur="\${words[CURRENT]}"
-    local fnd="\${_fasd_cur//,/ }"
-    local typ=\${1:-e}
-    fasd --query \$typ "\$fnd" 2>> "$_FASD_SINK" | \\
-      sort -nr | sed 's/^[^ ]*[ ]*//' | while read -r line; do
-        compadd -U -V fasd "\$line"
-      done
-    compstate[insert]=menu # no expand
-  }
-  _fasd_zsh_word_complete_f() { _fasd_zsh_word_complete f ; }
-  _fasd_zsh_word_complete_d() { _fasd_zsh_word_complete d ; }
-  _fasd_zsh_word_complete_trigger() {
-    local _fasd_cur="\${words[CURRENT]}"
-    eval \$(fasd --word-complete-trigger _fasd_zsh_word_complete \$_fasd_cur)
-  }
-  # define zle widgets
-  zle -C fasd-complete complete-word _generic
-  zstyle ':completion:fasd-complete:*' completer _fasd_zsh_word_complete
-  zstyle ':completion:fasd-complete:*' menu-select
-
-  zle -C fasd-complete-f complete-word _generic
-  zstyle ':completion:fasd-complete-f:*' completer _fasd_zsh_word_complete_f
-  zstyle ':completion:fasd-complete-f:*' menu-select
-
-  zle -C fasd-complete-d complete-word _generic
-  zstyle ':completion:fasd-complete-d:*' completer _fasd_zsh_word_complete_d
-  zstyle ':completion:fasd-complete-d:*' menu-select
-}
-
-EOS
-        ;;
-
-      zsh-ccomp-install) cat <<EOS
-# enable command mode completion
-compctl -U -K _fasd_zsh_cmd_complete -V fasd -x 'C[-1,-*e],s[-]n[1,e]' -c - \\
-  'c[-1,-A][-1,-D]' -f -- fasd fasd_cd
-
-EOS
-        ;;
-
-      zsh-wcomp-install) cat <<EOS
-(( \$+functions[compdef] )) && {
-  # enable word mode completion
-  orig_comp="\$(zstyle -L ':completion:\\*' completer 2>> "$_FASD_SINK")"
-  if [ "\$orig_comp" ]; then
-    case \$orig_comp in
-      *_fasd_zsh_word_complete_trigger*);;
-      *) eval "\$orig_comp _fasd_zsh_word_complete_trigger";;
-    esac
-  else
-    zstyle ':completion:*' completer _complete _fasd_zsh_word_complete_trigger
-  fi
-  unset orig_comp
-}
-
-EOS
-        ;;
-
-      bash-ccomp) cat <<EOS
-# bash command mode completion
-_fasd_bash_cmd_complete() {
-  # complete command after "-e"
-  local cur=\${COMP_WORDS[COMP_CWORD]}
-  [[ \${COMP_WORDS[COMP_CWORD-1]} == -*e ]] && \\
-    COMPREPLY=( \$(compgen -A command \$cur) ) && return
-  # complete using default readline complete after "-A" or "-D"
-  case \${COMP_WORDS[COMP_CWORD-1]} in
-    -A|-D) COMPREPLY=( \$(compgen -o default \$cur) ) && return;;
-  esac
-  # get completion results using expanded aliases
-  local RESULT=\$( fasd --complete "\$(alias -p \$COMP_WORDS \\
-    2>> "$_FASD_SINK" | sed -n "\\\$s/^.*'\\\\(.*\\\\)'/\\\\1/p")
-    \${COMP_LINE#* }" | while read -r line; do
-      quote_readline "\$line" 2>/dev/null || \\
-        printf %q "\$line" 2>/dev/null  && \\
-        printf \\\\n
-    done)
-  local IFS=\$'\\n'; COMPREPLY=( \$RESULT )
-}
-_fasd_bash_hook_cmd_complete() {
-  for cmd in \$*; do
-    complete -F _fasd_bash_cmd_complete \$cmd
-  done
-}
-
-EOS
-        ;;
-
-      bash-ccomp-install) cat <<EOS
-# enable bash command mode completion
-_fasd_bash_hook_cmd_complete fasd a s d f sd sf z zz
-
-EOS
-        ;;
-      esac; shift
-    done
-    ;;
-
-  # if "$_fasd_cur" or "$2" is a query, then output shell code to be eval'd
-  --word-complete-trigger)
-    shift; [ "$2" ] && local _fasd_cur="$2" || return
-    case $_fasd_cur in
-      ,*) printf %s\\n "$1 e $_fasd_cur";;
-      f,*) printf %s\\n "$1 f ${_fasd_cur#?}";;
-      d,*) printf %s\\n "$1 d ${_fasd_cur#?}";;
-      *,,) printf %s\\n "$1 e $_fasd_cur";;
-      *,,f) printf %s\\n "$1 f ${_fasd_cur%?}";;
-      *,,d) printf %s\\n "$1 d ${_fasd_cur%?}";;
-    esac
-    ;;
-
-  --sanitize) shift; printf %s\\n "$*" | \
-      sed 's/\([^\]\)$( *[^ ]* *\([^)]*\)))*/\1\2/g
-        s/\([^\]\)[|&;<>$`{}]\{1,\}/\1 /g'
-    ;;
-
-  --proc) shift # process commands
-    # stop if we don't own $_FASD_DATA or $_FASD_RO is set
-    [ -f "$_FASD_DATA" -a ! -O "$_FASD_DATA" ] || [ "$_FASD_RO" ] && return
-
-    # blacklists
-    local each; for each in $_FASD_BLACKLIST; do
-      case " $* " in *\ $each\ *) return;; esac
-    done
-
-    # shifts
-    while true; do
-      case " $_FASD_SHIFT " in
-        *\ $1\ *) shift;;
-        *) break;;
-      esac
-    done
-
-    # ignores
-    case " $_FASD_IGNORE " in
-      *\ $1\ *) return;;
-    esac
-
-    shift; fasd --add "$@" # add all arguments except command
-    ;;
-
-  --add|-A) shift # add entries
-    # stop if we don't own $_FASD_DATA or $_FASD_RO is set
-    [ -f "$_FASD_DATA" -a ! -O "$_FASD_DATA" ] || [ "$_FASD_RO" ] && return
-
-    # find all valid path arguments, convert them to simplest absolute form
-    local paths="$(while [ "$1" ]; do
-      [ -e "$1" ] && printf %s\\n "$1"; shift
-    done | sed '/^[^/]/s@^@'"$PWD"'/@
-      s@/\.\.$@/../@;s@/\(\./\)\{1,\}@/@g;:0
-      s@[^/][^/]*//*\.\./@/@;t 0
-      s@^/*\.\./@/@;s@//*@/@g;s@/\.\{0,1\}$@@;s@^$@/@' 2>> "$_FASD_SINK" \
-      | ( [ $_FASD_RESOLVE_SYMLINKS = 1 ] && xargs -I {} readlink -f {} || cat ) \
-      | tr '\n' '|')"
-
-    # add current pwd if the option is set
-    local pwd="$PWD"
-    [ $_FASD_RESOLVE_SYMLINKS = 1 ] && pwd="$(readlink -f "$pwd")"
-    [ $_FASD_ONLY_VCS = 1 ] && pwd="$(get_vcs $pwd)"
-    [ "$_FASD_TRACK_PWD" = 1 -a "$PWD" != "$HOME" ] && paths="$paths|$pwd"
-
-    [ -z "${paths##\|}" ] && return # stop if we have nothing to add
-
-    # maintain the file
-    local tempfile
-    tempfile="$(mktemp "$_FASD_DATA".XXXXXX)" || return
-    $_FASD_AWK -v list="$paths" -v now="$(date +%s)" -v max="$_FASD_MAX" -F"|" '
-      BEGIN {
-        split(list, files, "|")
-        for(i in files) {
-          path = files[i]
-          if(path == "") continue
-          paths[path] = path # array for checking
-          rank[path] = 1
-          time[path] = now
-        }
-      }
-      $2 >= 1 {
-        if($1 in paths) {
-          rank[$1] = $2 + 1 / $2
-          time[$1] = now
-        } else {
-          rank[$1] = $2
-          time[$1] = $3
-        }
-        count += $2
-      }
-      END {
-        if(count > max)
-          for(i in rank) print i "|" 0.9*rank[i] "|" time[i] # aging
-        else
-          for(i in rank) print i "|" rank[i] "|" time[i]
-      }' "$_FASD_DATA" 2>> "$_FASD_SINK" >| "$tempfile"
-    if [ $? -ne 0 -a -f "$_FASD_DATA" ]; then
-      env rm -f "$tempfile"
-    else
-      env mv -f "$tempfile" "$_FASD_DATA"
-    fi
-    ;;
-
-  --delete|-D) shift # delete entries
-    # stop if we don't own $_FASD_DATA or $_FASD_RO is set
-    [ -f "$_FASD_DATA" -a ! -O "$_FASD_DATA" ] || [ "$_FASD_RO" ] && return
-
-    # turn valid arguments into entry-deleting sed commands
-    local sed_cmd="$(while [ "$1" ]; do printf %s\\n "$1"; shift; done | \
-      sed '/^[^/]/s@^@'"$PWD"'/@;s@/\.\.$@/../@;s@/\(\./\)\{1,\}@/@g;:0
-        s@[^/][^/]*//*\.\./@/@;t 0
-        s@^/*\.\./@/@;s@//*@/@g;s@/\.\{0,1\}$@@
-        s@^$@/@;s@\([.[\/*^$]\)@\\\1@g;s@^\(.*\)$@/^\1|/d@' 2>> "$_FASD_SINK")"
-
-    # maintain the file
-    local tempfile
-    tempfile="$(mktemp "$_FASD_DATA".XXXXXX)" || return
-
-    sed "$sed_cmd" "$_FASD_DATA" 2>> "$_FASD_SINK" >| "$tempfile"
-
-    if [ $? -ne 0 -a -f "$_FASD_DATA" ]; then
-      env rm -f "$tempfile"
-    else
-      env mv -f "$tempfile" "$_FASD_DATA"
-    fi
-    ;;
-
-  --query) shift # query the db, --query [$typ ["$fnd" [$mode]]]
-    [ -f "$_FASD_DATA" ] || return # no db yet
-    [ "$1" ] && local typ="$1"
-    [ "$2" ] && local fnd="$2"
-    [ "$3" ] && local mode="$3"
-
-    # cat all backends
-    local each _fasd_data; for each in $_FASD_BACKENDS; do
-      _fasd_data="$_fasd_data
-$(fasd --backend $each)"
-    done
-    [ "$_fasd_data" ] || _fasd_data="$(cat "$_FASD_DATA")"
-
-    # set mode specific code for calculating the prior
-    case $mode in
-      rank) local prior='times[i]';;
-      recent) local prior='sqrt(100000/(1+t-la[i]))';;
-      *) local prior='times[i] * frecent(la[i])';;
-    esac
-
-    if [ "$fnd" ]; then # default matching
-      local bre="$(printf %s\\n "$fnd" | sed 's/\([*\.\\\[]\)/\\\1/g
-        s@ @[^|]*@g;s/\$$/|/')"
-      bre='^[^|]*'"$bre"'[^|/]*|'
-      local _ret="$(printf %s\\n "$_fasd_data" | $_FASD_GREP "$bre")"
-      # force no case matching for default matching
-      [ "$_FASD_NOCASE" = 1 ] && _ret="$(printf %s\\n "$_fasd_data" | grep -i "$bre")"
-      [ "$_ret" ] && _ret="$(printf %s\\n "$_ret" | while read -r line; do
-        [ -${typ:-e} "${line%%\|*}" ] && printf %s\\n "$line"
-      done)"
-      if [ "$_ret" ]; then
-        _fasd_data="$_ret"
-      else # no case matching
-        _ret="$(printf %s\\n "$_fasd_data" | $_FASD_GREP -i "$bre")"
-        [ "$_ret" ] && _ret="$(printf %s\\n "$_ret" | while read -r line; do
-          [ -${typ:-e} "${line%%\|*}" ] && printf %s\\n "$line"
-        done)"
-        if [ "$_ret" ]; then
-          _fasd_data="$_ret"
-        elif [ "${_FASD_FUZZY:-0}" -gt 0 ]; then # fuzzy matching
-          local fuzzy_bre="$(printf %s\\n "$fnd" | \
-            sed 's/\([*\.\\\[]\)/\\\1/g;s/\$$/|/
-              s@\(\\\{0,1\}[^ ]\)@\1[^|/]\\{0,'"$_FASD_FUZZY"'\\}@g
-              s@ @[^|]*@g')"
-          fuzzy_bre='^[^|]*'"$fuzzy_bre"'[^|/]*|'
-          _ret="$(printf %s\\n "$_fasd_data" | $_FASD_GREP -i "$fuzzy_bre")"
-          [ "$_ret" ] && _ret="$(printf %s\\n "$_ret" | while read -r line; do
-            [ -${typ:-e} "${line%%\|*}" ] && printf %s\\n "$line"
-          done)"
-          [ "$_ret" ] && _fasd_data="$_ret" || _fasd_data=
-        fi
-      fi
-    else # no query arugments
-      _fasd_data="$(printf %s\\n "$_fasd_data" | while read -r line; do
-        [ -${typ:-e} "${line%%\|*}" ] && printf %s\\n "$line"
-      done)"
-    fi
-
-    # query the database
-    [ "$_fasd_data" ] && printf %s\\n "$_fasd_data" | \
-      $_FASD_AWK -v t="$(date +%s)" -F"|" '
-      function frecent(time) {
-        dx = t-time
-        if( dx < 3600 ) return 6
-        if( dx < 86400 ) return 4
-        if( dx < 604800 ) return 2
-        return 1
-      }
-      {
-        if(!paths[$1]) {
-          times[$1] = $2
-          la[$1] = $3
-          paths[$1] = 1
-        } else {
-          times[$1] += $2
-          if($3 > la[$1]) la[$1] = $3
-        }
-      }
-      END {
-        for(i in paths) printf "%-10s %s\n", '"$prior"', i
-      }' - 2>> "$_FASD_SINK"
-    ;;
-
-  --backend)
-    case $2 in
-      native) cat "$_FASD_DATA";;
-      viminfo)
-        < "$_FASD_VIMINFO" sed -n '/^>/{s@~@'"$HOME"'@
-          s/^..//
-          p
-          }' | $_FASD_AWK -v t="$(date +%s)" '{
-            t -= 60
-            print $0 "|1|" t
-          }'
-        ;;
-      recently-used)
-        local nl="$(printf '\\\nX')"; nl="${nl%X}" # slash newline for sed
-        tr -d '\n' < "$_FASD_RECENTLY_USED_XBEL" | \
-          sed 's@file:/@'"$nl"'@g;s@count="@'"$nl"'@g' | sed '1d;s/".*$//' | \
-          tr '\n' '|' | sed 's@|/@'"$nl"'@g' | $_FASD_AWK -F'|' '{
-            sum = 0
-            for( i=2; i<=NF; i++ ) sum += $i
-            print $1 "|" sum
-          }'
-        ;;
-      current)
-        for path in *; do
-          printf "$PWD/%s|1\\n" "$path"
-        done
-        ;;
-      spotlight)
-        mdfind '(kMDItemFSContentChangeDate >= $time.today) ||
-          kMDItemLastUsedDate >= $time.this_month' \
-          | sed '/Library\//d
-            /\.app$/d
-            s/$/|2/'
-        ;;
-      *) eval "$2";;
-    esac
-    ;;
-
-  *) # parsing logic and processing
-    local fnd= last= _FASD_BACKENDS="$_FASD_BACKENDS" _fasd_data= comp= exec=
-    while [ "$1" ]; do case $1 in
-      --complete) [ "$2" = "--" ] && shift; set -- $2; local lst=1 r=r comp=1;;
-      --query|--add|--delete|-A|-D) fasd "$@"; return $?;;
-      --version) [ -z "$comp" ] && echo "1.0.2" && return;;
-      --) while [ "$2" ]; do shift; fnd="$fnd $1"; last="$1"; done;;
-      -*) local o="${1#-}"; while [ "$o" ]; do case $o in
-          s*) local show=1;;
-          l*) local lst=1;;
-          i*) [ -z "$comp" ] && local interactive=1 show=1;;
-          r*) local mode=rank;;
-          t*) local mode=recent;;
-          e*) o="${o#?}"; if [ "$o" ]; then # there are characters after "-e"
-                local exec="$o" # anything after "-e"
-              else # use the next argument
-                local exec="${2:?"-e: Argument needed "}"
-                shift
-              fi; break;;
-          b*) o="${o#?}"; if [ "$o" ]; then
-                _FASD_BACKENDS="$o"
-              else
-                _FASD_BACKENDS="${2:?"-b: Argument needed"}"
-                shift
-              fi; break;;
-          B*) o="${o#?}"; if [ "$o" ]; then
-                _FASD_BACKENDS="$_FASD_BACKENDS $o"
-              else
-                _FASD_BACKENDS="$_FASD_BACKENDS ${2:?"-B: Argument needed"}"
-                shift
-              fi; break;;
-          a*) local typ=e;;
-          d*) local typ=d;;
-          f*) local typ=f;;
-          R*) local r=r;;
-      [0-9]*) local _fasd_i="$o"; break;;
-          h*) [ -z "$comp" ] && echo "fasd [options] [query ...]
-[f|a|s|d|z] [options] [query ...]
-  options:
-    -s         list paths with scores
-    -l         list paths without scores
-    -i         interactive mode
-    -e <cmd>   set command to execute on the result file
-    -b <name>  only use <name> backend
-    -B <name>  add additional backend <name>
-    -a         match files and directories
-    -d         match directories only
-    -f         match files only
-    -r         match by rank only
-    -t         match by recent access only
-    -R         reverse listing order
-    -h         show a brief help message
-    -[0-9]     select the nth entry
-
-fasd [-A|-D] [paths ...]
-    -A    add paths
-    -D    delete paths" >&2 && return;;
-        esac; o="${o#?}"; done;;
-      *) fnd="$fnd $1"; last="$1";;
-    esac; shift; done
-
-    # guess whether the last query is selected from tab completion
-    case $last in
-      /?*) if [ -z "$show$lst" -a -${typ:-e} "$last" -a "$exec" ]; then
-             $exec "$last"
-             return
-           fi;;
-    esac
-
-    local R; [ -z "$r" ] && R=r || R= # let $R be the opposite of $r
-    fnd="${fnd# }"
-
-    local res
-    res="$(fasd --query 2>> "$_FASD_SINK")" # query the database
-    [ $? -gt 0 ] && return
-    if [ 0 -lt ${_fasd_i:-0} ] 2>> "$_FASD_SINK"; then
-      res="$(printf %s\\n "$res" | sort -n${R} | \
-        sed -n "$_fasd_i"'s/^[^ ]*[ ]*//p')"
-    elif [ "$interactive" ] || [ "$exec" -a -z "$fnd$lst$show" -a -t 1 ]; then
-      if [ "$(printf %s "$res" | sed -n '$=')" -gt 1 ]; then
-        res="$(printf %s\\n "$res" | sort -n${R})"
-        printf %s\\n "$res" | sed = | sed 'N;s/\n/	/' | sort -nr >&2
-        printf "> " >&2
-        local i; read i; [ 0 -lt "${i:-0}" ] 2>> "$_FASD_SINK" || return 1
-      fi
-      res="$(printf %s\\n "$res" | sed -n "${i:-1}"'s/^[^ ]*[ ]*//p')"
-    elif [ "$lst" ]; then
-      [ "$res" ] && printf %s\\n "$res" | sort -n${r} | sed 's/^[^ ]*[ ]*//'
-      return
-    elif [ "$show" ]; then
-      [ "$res" ] && printf %s\\n "$res" | sort -n${r}
-      return
-    elif [ "$fnd" ] && [ "$exec" -o ! -t 1 ]; then # exec or subshell
-      res="$(printf %s\\n "$res" | sort -n | sed -n '$s/^[^ ]*[ ]*//p')"
-    else # no args, show
-      [ "$res" ] && printf %s\\n "$res" | sort -n${r}
-      return
-    fi
-    if [ "$res" ]; then
-      fasd --add "$res"
-      [ -z "$exec" ] && exec='printf %s\n'
-      exec $exec "$res"
-    fi
-    ;;
-  esac
-}
-
-fasd --init env
-
-case $- in
-  *i*) ;; # assume being sourced, do nothing
-  *) # assume being executed as an executable
-    if [ -x "$_FASD_SHELL" -a -z "$_FASD_SET" ]; then
-      _FASD_SET=1 exec $_FASD_SHELL "$0" "$@"
-    else
-      fasd "$@"
-    fi;;
-esac
diff --git a/sh/screeny b/sh/screeny
deleted file mode 100755
index 774ae1a..0000000
--- a/sh/screeny
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/usr/bin/env zsh
-# YES_ZSH
-# YES_BASH
-# NO_DASH
-# NO_ASH
-
-screeny() { ### @-
-    ### handle GNU screens.
-    ### these days, i typically use tmux instead.
-    local user="${1:?needs arg for user name}"
-    shift
-    home="/home/$user"
-    pushd "$home" >/dev/null
-    local name="${1:?needs arg for screen name}"
-    shift
-    ~/sh/unscreen "$name" || return 1
-    echo screen -S "$name" -dm sudo -Hu "$user" "$@"
-    screen -S "$name" -dm sudo -Hu "$user" "$@"
-    popd "$home" >/dev/null
-    return 0
-}
-
-[ -n "${preload+-}" ] || screeny "$@"
diff --git a/sh/tpad b/sh/tpad
deleted file mode 100755
index d8f0753..0000000
--- a/sh/tpad
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/usr/bin/env sh
-# YES_ZSH
-# YES_BASH
-# YES_DASH
-# YES_ASH
-
-tpad() { ### @-
-    ### add a 1px transparent border around an image to prevent twitter from mangling it into a jpg.
-    ### sadly, this trick doesn't work anymore.
-    for f; do
-        gm convert -bordercolor "#000000FF" -border 1x1 "$f" "${f%.png}.tt.png"
-    done
-}
-
-[ -n "${preload+-}" ] || tpad "$@"
diff --git a/sh/unscreen b/sh/unscreen
deleted file mode 100755
index 397cc29..0000000
--- a/sh/unscreen
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/usr/bin/env zsh
-# YES_ZSH
-# NO_BASH
-# NO_DASH
-# NO_ASH
-
-unscreen() { ### @-
-    ### handle closing of screens — this works alongside [`screeny`](#screeny).
-    ### these days, i typically use tmux instead.
-    local pids="$(screen -ls | fgrep "$1" | cut -d. -f1)"
-    for pid in $=pids; do
-        local ppid="$(ps h --ppid "$pid" -o pid)"
-        kill $=ppid || return 1
-    done
-    return 0
-}
-
-[ -n "${preload+-}" ] || unscreen "$@"