diff --git a/rename-only.sh b/rename-only.sh
deleted file mode 100755
index 304d7e2..0000000
--- a/rename-only.sh
+++ /dev/null
@@ -1,304 +0,0 @@
-#!/usr/bin/env bash
-
-## rename-ext
-# > changes file-extension based on mime-type
-
-## also
-# - removes `*?|^:"<>` characters from the file-name
-# - reducing multiple spaces, dots, and underscores
-# - adds rename-date suffix to ensure uniquness of the filename
-# - strips exec-flag from non-executive types (usual leftover from FAT/NTFS)
-# - optimizes images while at it (shows reduction size in `kb` and `%`)
-
-## example
-# rename-ext /Data/Pictures/_unsorted/**/*
-
-## requires
-# - file - to determine file type
-# - `cargo install sd` – better sed
-
-ALL_EXTS=`echo \
-  'gif|jpe?g|jp2|jfif|a?png|web(p|m)|svg
-  |eps|tga|tiff?|psd|ico|xcf|heic
-  |eot|otf|ttf|epub|doc|docx|xls|swf|pdf|odt
-  |flac|opus|ogg|m4a|wav
-  |mpe?g|mp\d|mov|mkv|avif?|asf|3gpp?|av1
-  |html?|sh|py|php
-  ' \
-  |  tr -d '[:space:]' \
-  `
-
-mkdir -p ~/tmp
-
-
-OPTIONS=''
-CHX_CHANGELOG=''
-NR='1'
-
-
-calc_reduction()
-{
-  SIZE_PRE="$1"
-  SIZE_POST="$2"
-  PERECENT=` echo "scale=2; 100 - (100 * $SIZE_POST / $SIZE_PRE)" | bc `
-  RESULT="$(( $SIZE_PRE / 1000 ))-$(( ( $SIZE_PRE - $SIZE_POST ) / 1000 )) kb \
-($PERECENT%)
-"
-  echo "$RESULT"
-}
-
-
-ch_x()
-{
-  FILENAME="$1"
-  # echo "FILENAME = '$FILENAME'"
-
-  CHX_CHANGELOG=''
-
-  IS_X_INTENDED='0'
-  if [ ! -z "$2" ]; then
-    IS_X_INTENDED='1'
-  fi
-  # echo "IS_X_INTENDED = '$IS_X_INTENDED'"
-
-  IS_X=`stat -c '%A' "$FILENAME" | grep 'x' | wc -l`
-  # echo "IS_X = '$IS_X'"
-
-  MODE='-x'
-  if [[ '1' == "$IS_X_INTENDED" ]]; then
-    MODE='+x'
-  fi
-  # echo "MODE = '$MODE'"
-
-  if [[ ! "$OPTIONS" =~ 'test-run' ]]; then
-    # echo '(not a test-run)'
-    if [[ ! "$OPTIONS" =~ 'only-ext' ]]; then
-      # echo '(not only-ext)'
-      if [[ ! "$IS_X" == "$IS_X_INTENDED" ]]; then
-        CHX_CHANGELOG="chmod $MODE"
-      fi
-      chmod "$MODE" "$FILENAME"
-    fi
-  fi
-}
-
-
-rename_ext()
-{
-  NAME="$1"
-  EXT="$2"
-  NOTE=''
-  TARGET=''
-
-  ch_x "$FILENAME"
-
-  if [[ "$OPTIONS" =~ 'only-ext' ]]; then
-    NAME_NO_EXT=` echo "$NAME" \
-                | sd -f i "(\.+($ALL_EXTS))$" '' \
-                `
-    TARGET="$NAME_NO_EXT.$EXT"
-  else
-    if [[ ! "$OPTIONS" =~ 'test-run' ]]; then
-
-      SIZE_PRE=` stat "$FILENAME" -c '%s' `
-
-      if [ 'png' = "$EXT" ]; then
-        mogrify "$FILENAME"
-        if [ -f "$FILENAME.tmp.png" ] \
-          && [ -s "$FILENAME.tmp.png" ]
-        then
-          mv "$FILENAME.tmp.png" "$FILENAME"
-        else
-          rm "$FILENAME.tmp.png"
-        fi
-      fi
-
-      SIZE_POST=` stat "$FILENAME" -c '%s' `
-
-      [ $SIZE_PRE -gt $SIZE_POST ] \
-        && NOTE=` calc_reduction "$SIZE_PRE" "$SIZE_POST" `
-    fi
-    DATE=` date -r "$NAME" -u "+%Y%m%d%H%M%S" `
-    TCLEAN=` echo "$NAME" \
-           | sd '[\\\?\*\|^:"<>]+' '_' \
-           | sd '_\d{12,}\.' '.' \
-           | sd -f i "(\.+($ALL_EXTS))+$" '' \
-           `
-    TARGET=` echo "${TCLEAN}_$DATE.$EXT" \
-          | sd '([\s\.,_]){3,}' '$1' \
-          `
-  fi
-
-  IS_SAME_NAME='0'
-  if [[ "$NAME" == "$TARGET" ]]; then
-    IS_SAME_NAME='1'
-  fi
-  # echo "IS_SAME_NAME = '$IS_SAME_NAME'"
-
-  # echo "CHX_CHANGELOG = '$CHX_CHANGELOG'"
-  if [[ '1' == "$IS_SAME_NAME" ]] \
-    && [ -z "$CHX_CHANGELOG" ]
-  then
-    return
-  fi
-
-  echo "$NR:"
-  NR="$(($NR+1))"
-  echo "  $FILENAME"
-
-  if [ ! -z "$CHX_CHANGELOG" ]; then
-    echo "  $CHX_CHANGELOG"
-    CHX_CHANGELOG=''
-  fi
-
-  if [[ '1' == "$IS_SAME_NAME" ]]; then
-    return
-  fi
-
-
-  if [[ "$OPTIONS" =~ 'test-run' ]]; then
-    if [ -f "$TARGET" ]; then
-      if [[ "$PARAMS" =~ 'force-replace' ]]; then
-        echo "  >> replacing existing file >>"
-      else
-        echo "  !! file already exist !!"
-      fi
-    fi
-    echo "$TARGET"
-  else
-    if [ ! -f "$TARGET" ]; then
-      echo "  >> $NOTE >>"
-      echo "  $TARGET"
-      mv "$NAME" "$TARGET"
-    else
-      if [[ "$PARAMS" =~ 'force-replace' ]]; then
-        echo "  >> $NOTE ## replacing existing file >>"
-        echo "  $TARGET"
-        mv "$NAME" "$TARGET"
-      else
-        echo '  !! File already exist, use `--force-replace` to overwrite !! '
-        echo "  $TARGET"
-      fi
-    fi
-  fi
-
-}
-
-for PARAM in "$@"; do
-  # echo "PARAM = '$PARAM'"
-  if [[ '--only-ext' == "$PARAM" ]]; then
-    OPTIONS="$OPTIONS;only-ext"
-    # echo "OPTIONS = '$OPTIONS'"
-  elif [[ '--test-run' == "$PARAM" ]]; then
-    OPTIONS="$OPTIONS;test-run"
-    # echo "OPTIONS = '$OPTIONS'"
-  elif [[ '--force-replace' == "$PARAM" ]]; then
-    OPTIONS="$OPTIONS;force-replace"
-    # echo "OPTIONS = '$OPTIONS'"
-  fi
-done
-
-[ ! -z "$OPTIONS" ] \
-  && echo "OPTIONS: '$OPTIONS'"
-
-
-# echo "@ = '$@'"
-for FILENAME in "$@"; do
-
-  # echo "FILENAME = '$FILENAME'"
-
-  # NOT_F_=`[ ! -f "$FILENAME" ]`
-  # echo "NOT_F_ = '$NOT_F_'"
-
-  # [ ! -f "$FILENAME" ] \
-  #   && continue
-
-  FILE_TYPE=` file -b --mime-type "$FILENAME" `
-  # echo "FILE_TYPE = '$FILE_TYPE'"
-
-  case "$FILE_TYPE" in
-
-  # pixel-based
-  'image/gif') rename_ext "$FILENAME" 'gif' ;;
-  'image/jpeg') rename_ext "$FILENAME" 'jpg' ;;
-  'image/jp2') rename_ext "$FILENAME" 'jp2' ;;
-  'image/png') rename_ext "$FILENAME" 'png' ;;
-  'image/webp') rename_ext "$FILENAME" 'webp' ;;
-  'image/avif') rename_ext "$FILENAME" 'avif' ;;
-
-  # vector-based
-  'image/svg+xml') rename_ext "$FILENAME" 'svg' ;;
-  'image/x-eps') rename_ext "$FILENAME" 'eps' ;;
-
-  # some less common image formats
-  'image/heic') rename_ext "$FILENAME" 'heic' ;;
-  'image/tiff') rename_ext "$FILENAME" 'tiff' ;;
-  'image/vnd.adobe.photoshop') rename_ext "$FILENAME" 'psd' ;;
-  'image/vnd.microsoft.icon') rename_ext "$FILENAME" 'ico' ;;
-  'image/x-tga') rename_ext "$FILENAME" 'tga' ;;
-  'image/x-xcf') rename_ext "$FILENAME" 'xcf' ;;
-
-  # fonts
-  'application/vnd.ms-fontobject') rename_ext "$FILENAME" 'eot' ;;
-  'application/vnd.ms-opentype') rename_ext "$FILENAME" 'otf' ;;
-  'font/sfnt') rename_ext "$FILENAME" 'ttf' ;;
-
-  # documents
-  'application/epub+zip') rename_ext "$FILENAME" 'epub' ;;
-  'application/msword') rename_ext "$FILENAME" 'doc' ;;
-  'application/pdf') ch_x "$FILENAME" ;;  # can be .ai
-  'application/vnd.ms-excel') rename_ext "$FILENAME" 'xls' ;;
-  'application/vnd.oasis.opendocument.text') rename_ext "$FILENAME" 'odt' ;;
-  'application/vnd.openxmlformats-officedocument.wordprocessingml.document') rename_ext "$FILENAME" 'docx' ;;
-  'application/x-shockwave-flash') rename_ext "$FILENAME" 'swf' ;;
-
-  # audio
-  'audio/flac') rename_ext "$FILENAME" 'flac' ;;
-  'audio/mpeg') rename_ext "$FILENAME" 'mp3' ;;
-  'audio/ogg') rename_ext "$FILENAME" 'ogg' ;;
-  'audio/x-m4a') rename_ext "$FILENAME" 'm4a' ;;
-  'audio/x-wav') rename_ext "$FILENAME" 'wav' ;;
-
-  # video
-  'video/3gpp') rename_ext "$FILENAME" '3gp' ;;
-  'video/av1') rename_ext "$FILENAME" 'avi' ;;
-  'video/MP2T') rename_ext "$FILENAME" 'mp2' ;;
-  'video/mp4') rename_ext "$FILENAME" 'mp4' ;;
-  'video/quicktime') rename_ext "$FILENAME" 'mov' ;;
-  'video/webm') rename_ext "$FILENAME" 'webm' ;;
-  'video/x-m4v') rename_ext "$FILENAME" 'mp4' ;;
-  'video/x-matroska') rename_ext "$FILENAME" 'mkv' ;;
-  'video/x-ms-asf') rename_ext "$FILENAME" 'asf' ;;
-
-  # text
-  'application/json') ch_x "$FILENAME" ;;  # can be any other language
-  'text/html') ch_x "$FILENAME" ;;  # can be .htm, .htc, .mht, ...
-  'text/xml') ch_x "$FILENAME" ;;  # can be .xml, .opml, .rss, ...
-  'text/plain') ;;  # can be any file with not enough text
-  'text/x-python') ;;  # can be .py, .py3, have no .ext
-  'text/x-shellscript') ;;  # can be .sh, .zsh, have no .ext
-
-  # binady data
-  'application/x-sqlite3') ch_x "$FILENAME" ;;  # can be .db, .sql, .sq3
-
-  # special
-  'application/octet-stream') ;;  # can be anything
-  'inode/directory')
-    # echo "$FILENAME is a folder"
-    # echo "about to ch_x"
-    ch_x "$FILENAME" '+'
-    ;;  # a folder
-  'inode/x-empty') ch_x "$FILENAME" ;;  # zero-size
-
-  # default
-  *) echo "??  $FILENAME : $FILE_TYPE" ;;
-
-  esac
-
-done
-
-# if [[ "@#" -eq 1 ]]; then
-#   if [[ `file -b --mime-type "$1"` == "inode/directory" ]]; then
-#     find "$1"
-#   fi
-# fi