dotfiles: Add ranger configs

4 files changed, 646 insertions, 0 deletions

diff --git a/.config/ranger/rc.conf b/.config/ranger/rc.conf
new file mode 100644
index 0000000..73e3b88
--- /dev/null
+++ b/.config/ranger/rc.conf
@@ -0,0 +1,38 @@
+# Enable image previews (urxvt compiled with pixbuf support needed)
+set preview_images true
+set preview_images_method urxvt
+
+
+# Open terminal in current directory
+map e. shell urxvt &
+
+# Image tools
+map ei shell bash ~/.config/ranger/scripts/imgtools '%s'
+
+# Pdf Tools
+map ep shell bash ~/.config/ranger/scripts/pdftools '%s'
+
+# Raname Tools
+map er shell bash ~/.config/ranger/scripts/rntools %s
+
+# Compare with meld
+map ec shell meld %s &
+
+# Sublime text
+map es shell subl3 %s &
+
+# Fuzzy file search
+map ef shell fzf
+
+# Current directory file usage
+map eu shell ncdu -x .
+
+# Go to Trash Directory
+map et cd ~/.local/share/Trash/files
+
+
+# Move files to trash
+map dd shell bash -c "touch %s; mv -t ~/.local/share/Trash/files %s"
+
+# Delete files older than 60 days in trash
+map dD shell find ~/.local/share/Trash/files -mtime +60 -delete
diff --git a/.config/ranger/scripts/imgtools b/.config/ranger/scripts/imgtools
new file mode 100644
index 0000000..b281f7b
--- /dev/null
+++ b/.config/ranger/scripts/imgtools
@@ -0,0 +1,218 @@
+#!/bin/bash
+: <<COMMENT
+  Copyright (C) 2012 Tri Le <trile7 at gmail dot com>
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation version 3.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+COMMENT
+
+version="imgtools v0.1.1"
+blue='\e[0;34m'; green='\e[0;32m'; red='\e[0;31m'; yellow='\e[0;33m'; bold='\e[1m'; none='\e[0m'
+function menu {
+  n=0
+  choices=("$@")
+  echo -e "$blue$bold$menutitle"
+  for i in "${choices[@]}"; do
+    echo -e "$none$((n++)))   $yellow$i"
+  done
+  echo -en "${none}c|q) ${yellow}Cancel"
+  echo -e "$green"
+  read -rp "Enter a choice from above menu: " i
+  echo -e "$none"
+  [[ $i =~ c|q ]] && exit 1
+  if test "$i" -lt $n 2>/dev/null; then
+    choice=${choices[i]}; return "$i"
+  else
+    echo -e "$red$i is an invalid entry...please try again!"
+    menu "${choices[@]}"
+  fi
+  }
+
+function slideshow {
+  if [[ ${files[0]} = -* ]]; then
+    for i in 0 2 4; do
+      if [[ ${files[i]} = -* ]]; then opt=("${opt[@]}" "${files[i]}" "${files[i+1]}"); unset "files[i]" "files[i+1]"; fi
+    done
+  else
+    echo "Default delay 2 seconds, loop forever, and resize only large image to 800x600:"
+    echo "  -delay 2 -loop 0 -resize 800x600>"
+    echo -ne "$green"
+    read -rp "Enter slideshow options (enter to use defaults): " -a opt
+    echo -ne "$none"
+  fi
+  for i in 0 2 4; do
+    case ${opt[i]} in
+      *delay) d=${opt[i+1]} ;;
+      *loop) l=${opt[i+1]} ;;
+      *resize) s=${opt[i+1]} ;;
+    esac
+  done
+  [[ ${files[2]} ]] || err "You must specify at least one image file"
+  display -coalesce -auto-orient -immutable -delay "${d:=2}" -loop "${l:=0}" -resize "${s:=800x600>}" "${files[@]}"
+  }
+
+function info {
+  echo -e "${yellow}image, format, dimension, geometry, depth, class, size, processing times $none"
+  for i in "${files[@]}"; do
+    [[ -f $i ]] && identify "$i" || echo -e "$red$i doesn't exist$none"
+  done
+  }
+
+function wallpaper {
+  if [[ ${files[0]} = -* ]]; then
+    choice=${files[0]//-}; img0=${files[1]}
+  else
+    img0=${files[0]}
+    menutitle="---Wallpaper Modes---"
+    menu "Tile" "Resize and Tile" "Center" "Resize and Center" "Stretch"
+  fi
+  [[ -f $img0 ]] || err "$img0 doesn't exist"
+  res=($(xrandr | grep \* | grep -o "[0-9]*x[0-9]*")) || res=($(xdpyinfo | grep dimensions: | grep -o "[0-9]*x[0-9]*")) || res=$(xprop -root _NET_DESKTOP_GEOMETRY | cut -d'=' -f2 | tr -d ' ' | tr ',' 'x')
+  rootsize=${res:=800x600}; rootw=${res%x*}; rooth=${res#*x}
+  img=/tmp/.wallpaper.jpg
+  case $choice in
+    [tT]ile) display -window root "$img0"; exit ;;
+    *[rR]esize*) convert "$img0" -resize $rootsize "$img" ;;
+    [sS]tretch) convert "$img0" -resize $rootsize! "$img" ;;
+    *) convert "$img0" -resize $rootsize\> "$img" ;;
+  esac
+  if [[ $choice = *[cC]enter* ]]; then
+    imgw=$(identify -format "%w" $img)
+    imgh=$(identify -format "%h" $img)
+    x=$((rootw-imgw)); x=$((x/2))
+    y=$((rooth-imgh)); y=$((y/2))
+    display -geometry $rootsize+$x+$y -window root $img
+  else
+    display -window root $img
+  fi
+  }
+
+function resize {
+  if [[ ${files[0]} = -*size ]]; then
+    s=${files[1]}; unset "files[0]" "files[1]"
+  else
+    echo -e "Use resize operators ${green}> < !${none} to determine what image size to resize.  Examples:"
+    echo -e "  ${green}800x600>${none} reduce only larger image to given size keeping aspect ratio"
+    echo -e "  ${green}800x600<${none} enlarge only smaller image to given size keeping aspect ratio"
+    echo -e "  ${green}800x600!${none} force image to given size ignoring aspect ratio"
+    echo -e "  ${green}800x600${none}  resize to given size keeping aspect ratio"
+    echo -ne "$green"
+    read -rp "Enter new size (WxH in pixel): " s
+    echo -e "$none"
+  fi
+  if [[ $s = [0-9]*[0-9] || $s = x[0-9]* || $s = [0-9]*x || $s = [0-9]*[\>\<\!] ]]; then
+    for i in "${files[@]}"; do
+      newname=${i%.*}_s$s.${i##*.}
+      [[ -f $i ]] && convert "$i" -resize "$s" "$newname" || echo -e "$red$i doesn't exit$none"
+    done
+  else
+    echo -e "${red}Invalid size$none"
+    resize "${files[@]}"
+  fi
+  }
+
+function rotate {
+  if [[ ${files[0]} = -*angle ]]; then
+    d=${files[1]}; unset "files[0]" "files[1]"
+  else
+    echo -ne "$green"
+    read -rp "Enter angle (non-zero number): " d
+    echo -ne "$none"
+  fi
+  if [[ $d -gt 0 || $d -lt 0 ]]; then
+    for i in "${files[@]}"; do
+      newname=${i%.*}_r$d.${i##*.}
+      [[ -f $i ]] && convert "$i" -rotate "$d" "$newname" || echo -e "$red$i doesn't exit$none"
+    done
+  else
+    echo -e "${red}Angle must be a non-zero number$none"
+    rotate "${files[@]}"
+  fi
+  }
+
+function format {
+  if [[ ${files[0]} = -* ]]; then
+    choice=${files[0]//-}; unset "files[0]"
+  else
+    menutitle="---Image Formats---"
+    menu "jpg" "png" "gif" "ico" "bmp" "tif" "ps" "pdf"
+  fi
+  for i in "${files[@]}"; do
+    newname=${i%.*}.$choice
+    if [[ ! -f $i ]]; then echo -e "$red$i doesn't exist$none"; continue; fi
+    if [[ $i = "$newname" ]]; then echo -e "$yellow$i is already $choice format$none"; continue; fi
+    case $choice in
+      tif|ps|pdf) convert "$i" -compress Zip "$newname" ;;
+      bmp) convert "$i" BMP3:"$newname" ;;
+      *) convert "$i" "$newname" ;;
+    esac
+  done
+  }
+
+function 2pdf {
+  if [[ ${files[0]} = -*name ]]; then
+    f=${files[1]}; unset "files[0]" "files[1]"
+  else
+    echo -e "${green}Default is combined_images.pdf"
+    read -rp "Enter pdf filename: " f
+    echo -ne "$none"
+  fi
+  if [[ -z $f ]]; then f=combined_images.pdf
+  elif [[ $f != *.pdf ]]; then f=$f.pdf; fi
+  [[ -e $f ]] && f=${f%.*}_$(date +%s).pdf
+  [[ ${files[2]} ]] || err "You must specify at least one image file"
+  mkdir -p "$(dirname "$f")"
+  convert "${files[@]}" -compress Zip "$f"
+  }
+
+function usage {
+  echo "$version"
+  echo -e "${bold}Usage: ${0##*/} [command] [option] images$none"
+  echo "Commands and options:"
+  echo "  --slideshow  [--delay sec --loop n --resize pixel]"
+  echo "  --info"
+  echo "  --wallpaper [--tile|--resizetile|--center|--resizecenter|--stretch]"
+  echo "  --resize [--size pixel]"
+  echo "  --rotate [--angle degree]"
+  echo "  --format [--jpg|--png|--gif|--ico|--bmp|--tif|--ps|--pdf]"
+  echo "  --2pdf [--name filename]"
+  exit
+  }
+
+function mainmenu {
+  if [[ $cmd ]]; then $cmd; return; fi
+  echo -e "${yellow}Files in selection:$none"
+  for i in "${files[@]}"; do echo -n "$i "; done
+  echo
+  menutitle="---Image Tools---"
+  menu "Image Slideshow" "Image Information" "Set Image as Wallpaper" "Image Resize" "Image Rotation" "Image Format Conversion" "Combine Images to PDF"
+  case $choice in
+    *Slideshow) slideshow ;;
+    *Info*) info ;;
+    *Wallpaper) wallpaper ;;
+    *Resize) resize ;;
+    *Rotation) rotate ;;
+    *Format*) format ;;
+    *PDF) 2pdf ;;
+  esac
+  mainmenu
+  }
+
+function err { echo -e "$red$*$none"; exit 1; }
+
+case $1 in
+  -h|--help) usage ;;
+  --*) cmd=${1//-}; shift; files=("$@") ;;
+  *) files=("$@") ;;
+esac
+[[ $# -eq 0 ]] && usage
+mainmenu "$cmd"
diff --git a/.config/ranger/scripts/pdftools b/.config/ranger/scripts/pdftools
new file mode 100644
index 0000000..1aab379
--- /dev/null
+++ b/.config/ranger/scripts/pdftools
@@ -0,0 +1,159 @@
+#!/bin/bash
+: <<COMMENT
+  Copyright (C) 2014 Tri Le <trile7 at gmail dot com>
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation version 3.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+COMMENT
+
+version="pdftools v0.2.3"
+blue='\e[0;34m'; green='\e[0;32m'; red='\e[0;31m'; yellow='\e[0;33m'; bold='\e[1m';none='\e[0m'
+
+function menu {
+  n=0
+  choices=("$@")
+  echo -e "$blue$bold$menutitle"
+  for i in "${choices[@]}"; do
+    echo -e "$none$((n++)))   $yellow$i"
+  done
+  echo -en "${none}c|q) ${yellow}Cancel"
+  echo -e $green
+  read -p "Enter a choice from above menu: " i
+  echo -e $none
+  [[ $i =~ c|q ]] && exit 1
+  if test $i -lt $n 2>/dev/null; then
+    choice=${choices[i]}; return $i
+  else
+    echo -e "$red$i is an invalid entry...please try again!"
+    menu "${choices[@]}"
+  fi
+}
+
+function mainmenu {
+  if [[ -z $1 ]]; then
+    menutitle="---PDF Tools---"
+    menu "PDF Merge" "PDF Split" "PDF Extract" "PDF to JPG" "PDF to Text"
+    case $? in
+      0) merge ;;
+      1) split ;;
+      2) extract ;;
+      3) 2jpg ;;
+      4) 2txt ;;
+    esac
+  else
+    $cmd
+  fi
+  mainmenu
+}
+
+function merge {
+  if [[ ${#files[@]} -lt 2 ]]; then
+    echo -e "${red}Select at least 2 or more PDF files to merge"
+    exit 1
+  fi
+  echo -ne $green
+  read -p "Enter merged pdf name (default merged.pdf): " f
+  echo -e $none
+  if [[ $f ]]; then
+    [[ $f != *.pdf ]] && f=$f.pdf
+  else f=merged.pdf
+  fi
+  [[ -e $f ]] && f=${f%.*}-`date +%s`.pdf
+  mkdir -p `dirname "$f"`
+  gs -o -q -sDEVICE=pdfwrite -sOutputFile="$f" "${files[@]}"
+  if [[ $? -eq 0 ]]; then
+    echo -e $green
+    read -p "Remove `echo ${files[@]}` (Y/n)? " i
+    [[ $i = n ]] || rm "${files[@]}"
+  fi
+}
+
+function split {
+  for i in "${files[@]}"; do
+    totalp=`gs -q -dNODISPLAY -c "($i) (r) file runpdfbegin pdfpagecount = quit"`
+    for (( p=1; p<=$totalp; p++ )); do
+      gs -o -q -sDEVICE=pdfwrite -dFirstPage=$p -dLastPage=$p -sOutputFile="${i%.*}-p$p.pdf" "$i"
+    done
+  done
+}
+
+function extract {
+  echo -e "Use ${green}space$none for separating pages, ${green}dash$none for range of pages, and ${green}end$none for the last page.  For example, to extract pages 1, 5, and 8 to the last page, enter: ${green}1 5 8-end"
+  read -p "Enter page: " -a p
+  echo -e $none
+  if [[ -z $p ]]; then
+    echo -e "${red}A value is required for page $none"
+    extract "$@"; return 1
+  fi
+  for i in ${p[@]}; do
+    [[ $i = end ]] && continue
+    test ${i%*-end} -gt 0 2>/dev/null && continue
+    test $((i)) -lt 0 2>/dev/null && continue
+    echo -e "${red}$i is invalid $none"
+    extract "$@"; return 1
+  done
+  tmpdir=/tmp/pdfextract
+  mkdir -p $tmpdir
+  for i in "${files[@]}"; do
+    pages=`gs -q -dNODISPLAY -c "($i) (r) file runpdfbegin pdfpagecount = quit"`
+    for j in ${p[@]}; do
+      if [[ $j = *-* ]]; then
+        p1=`echo $j | cut -d'-' -f1`
+        [[ $p1 -gt $pages ]] && continue
+        p2=`echo $j | cut -d'-' -f2`
+        [[ $p2 = end ]] && p2=$pages
+        [[ $p2 -gt $pages ]] && p2=$pages
+      elif [[ $j = end ]]; then
+        p1=$pages; p2=$pages
+      elif [[ $j -le $pages ]]; then
+        p1=$j; p2=$j
+      fi
+      gs -o -q -sDEVICE=pdfwrite -dFirstPage=$p1 -dLastPage=$p2 -sOutputFile=$tmpdir/$j.pdf "$i"
+    done
+    ext=${p[@]}
+    ext=p${ext// /,}.pdf
+    gs -o -q -sDEVICE=pdfwrite -sOutputFile="${i%.*}-$ext" $tmpdir/*.pdf
+    rm -rf $tmpdir
+  done
+}
+
+function 2jpg {
+  for i in "${files[@]}"; do
+    gs -o -q -sDEVICE=jpeg -sOutputFile="${i%.*}-p%d.jpg" "$i"
+  done
+}
+
+function 2txt {
+  for i in "${files[@]}"; do
+    gs -o -q -sDEVICE=txtwrite -sOutputFile="${i%.*}.txt" "$i"
+  done
+}
+
+function usage {
+  echo -e "${bold}$version"
+  echo -e "Usage: ${0##*/} [option] pdf1 pdf2 ..... $none"
+  echo "Options: menu is shown if option is not specified"
+  echo "  --merge    combine 2 or more pdf files to one"
+  echo "  --split    split pdf file to individual page"
+  echo "  --extract  extract page and/or range of pages from pdf file"
+  echo "  --2jpg     convert pdf page to jpg"
+  echo "  --2txt     convert text portion of pdf file to text"
+  exit
+}
+
+case $1 in
+  -h|--h*) usage ;;
+  --*) cmd=${1#--}; shift; files=("$@") ;;
+  *) files=("$@") ;;
+esac
+[[ $# -eq 0 ]] && usage
+mainmenu $cmd
\ No newline at end of file
diff --git a/.config/ranger/scripts/rntools b/.config/ranger/scripts/rntools
new file mode 100644
index 0000000..76afdb8
--- /dev/null
+++ b/.config/ranger/scripts/rntools
@@ -0,0 +1,231 @@
+#!/bin/bash
+: <<COMMENT
+  Copyright (C) 2012 Tri Le <trile7 at gmail dot com>
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation version 3.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+COMMENT
+
+version="rename v0.3"
+blue='\e[0;34m'; green='\e[0;32m'; red='\e[0;31m'; yellow='\e[0;33m'; bold='\e[1m';none='\e[0m'
+
+function menu {
+  n=0
+  choices=("$@")
+  echo -e "$blue$bold$menutitle"
+  for i in "${choices[@]}"; do
+    echo -e "$none$((n++)))   $yellow$i"
+  done
+  echo -en "${none}c|q) ${yellow}Cancel"
+  echo -e $green
+  read -p "Enter a choice from above menu: " i
+  echo -e $none
+  [[ $i =~ c|q ]] && exit 1
+  if test $i -lt $n 2>/dev/null; then
+    choice=${choices[i]}; return $i
+  else
+    echo -e "$red$i is an invalid entry...please try again!"
+    menu "${choices[@]}"
+  fi
+  }
+
+function space2_ {
+  newname=${1// /_}
+  }
+
+function _2space {
+  newname=${1//_/ }
+  }
+
+function upper {
+  newname=`echo $1 | tr [:lower:] [:upper:]`
+  }
+
+function lower {
+  newname=`echo $1 | tr [:upper:] [:lower:]`
+  }
+
+function upperfirst {
+  words=(`echo "$1"`)
+  W=""
+  for w in ${words[@]}; do
+    x=`echo ${w:0:1}`
+    X=`echo ${w:0:1} | tr [:lower:] [:upper:]`
+    W=($W ${w/$x/$X})
+  done
+  newname=`echo ${W[@]}`
+  }
+
+function x2y {
+  echo -ne $none
+  if [[ -z $x ]]; then
+    echo -e "Use wildcard ${green}?${none} to match any one character or ${green}*${none} to match all characters"
+    echo -ne $green
+    read -p "Enter x (find value, required): " x
+    if [[ -z $x ]]; then
+      err "x is required"
+      x2y; return 1
+    fi
+  fi
+  [[ $j ]] || read -p "Enter y (replacement value; leave blank to remove x): " y
+  j=1
+  newname=${1//$x/$y}
+  }
+
+function insert {
+  echo -ne $none
+  if [[ -z $p ]]; then
+    echo -e "Use ${green}0${none} for the beginning of name, ${green}end${none} for the end of name, or ${green}end-ext${none} for the end of name but keep extension."
+    echo -ne $green
+    read -p "Enter p (insert position, required): " p
+    if ! test $p -ge 0 2>/dev/null  && [[ $p != end* ]]; then
+      err "$p is invalid"
+      p=""; insert
+    fi
+  fi
+  if [[ -z $x && $p ]]; then
+    echo -e "${none}Use ${green}%${none} for counter."
+    echo -ne $green
+    read -p "Enter x (character to insert, required): " x
+    if [[ -z $x ]]; then
+      err "x is required"
+      x=""; insert
+    fi
+  fi
+  if [[ $x = *%* && -z $c && $p ]]; then
+    echo -e "${none}Start counter (include number of digits; i.e. 3 digits counter starting at 1, enter: 001)"
+    echo -ne $green
+    read -p "Enter start counter n (n >= 0, required): " c
+    if ! test $c -ge 0 2>/dev/null; then
+      err "$c is invalid"
+      c=""; insert
+    fi
+    n=`expr $c + ${#files[@]} - 1`
+    c=(`seq -w $c 1 $n`)
+  fi
+  case $p in
+    end) pos=${#1} ;;
+    end-ext) noext=${1%.*}; pos=${#noext} ;;
+    *) pos=$p ;;
+  esac
+  if [[ $c ]]; then
+    counter=${c[$j]}
+    x1=${x//%/$counter}
+    newname=${1:0:$pos}$x1${1:$pos}
+  else
+    newname=${1:0:$pos}$x${1:$pos}
+  fi
+  }
+
+function remove {
+  echo -ne $none
+  if [[ -z $p ]]; then
+    echo -e "Use ${green}0${none} for the beginning of name"
+    echo -ne $green
+    read -p "Enter p (remove position, p >= 0, required): " p
+    if ! test $p -ge 0 2>/dev/null; then
+      err "$p is invalid"
+      p=""; remove
+    fi
+  fi
+  [[ $p ]] && read -p "Enter n (number of characters to remove): " n
+  [[ $p -eq 0 ]] && x1="" || x1=${1:0:p}
+  p2=$((p+n))
+  x2=${1:p2}
+  newname=$x1$x2
+  }
+
+function err {
+  echo -e "$red$@$none"; echo; return 1
+  }
+
+function changename {
+  if $cmd; then
+    echo -e $none
+    echo -e "${bold}Changes preview:"
+    j=0
+    for i in "${files[@]}"; do
+      $cmd "$i" || continue
+      [[ $newname ]] || newname="${red}SKIPPED"
+      ((j++))
+      echo -e "$yellow$i -> $bold$newname"
+    done
+    echo -e $green
+    read -p "Do you want to proceed with rename (Y/n)? " ans
+    echo -e $none
+    if [[ $ans = n ]]; then
+      unset p x c; mainmenu
+    else
+      j=0
+      for i in "${files[@]}"; do
+        [[ -e $i ]] || continue
+        $cmd "$i" || continue
+        [[ $newname ]] || continue
+        ((j++))
+        if [[ -d $i ]] && [[ $cmd = upper* || $cmd = lower ]]; then
+          mv "$i" "$newname$$"
+          mv "$newname$$" "$newname"
+        else
+          mv "$i" "$newname"
+        fi
+      done
+    fi
+  else
+    mainmenu
+  fi
+  }
+
+function mainmenu {
+  if [[ -z $1 ]]; then
+    echo "-------------------"
+    echo -e "${bold}Files to be renamed:"
+    echo -ne $yellow
+    for i in "${files[@]}"; do echo $i; done
+    echo -e $none
+    menutitle="---Rename Tools---"
+    menu "Space_to_underscore" "Underscore to space" "ALL UPPERCASE" "all lowercase" "Uppercase First Letter of Each Word" "Convert x to y" "Insert counter n and/or character x at position p" "Remove n number of characters at position p"
+    case $? in
+      0) cmd=space2_ ;;
+      1) cmd=_2space ;;
+      2) cmd=upper ;;
+      3) cmd=lower ;;
+      4) cmd=upperfirst ;;
+      5) cmd=x2y ;;
+      6) cmd=insert ;;
+      7) cmd=remove ;;
+    esac
+  fi
+  changename
+  }
+
+function usage {
+  echo -e "${bold}$version"
+  echo -e "Usage: ${0##*/} [options] filename1 filename2 ..... $none"
+  echo "Options: menu is shown if option is not specified"
+  echo "  --space2_     convert_space_to_underscore"
+  echo "  --_2space     convert underscore to space"
+  echo "  --upper       CONVERT ALL TO UPPERCASE"
+  echo "  --lower       convert all to lowercase"
+  echo "  --upperfirst  Convert First Letter Of A Word To Uppercase"
+  echo "  --x2y         Convert x to y"
+  echo "  --insert      Insert counter or characters at a specific position"
+  echo "  --remove      Remove numbers of characters at a specific position"
+  exit
+  }
+
+case $1 in
+  -h|--h*) usage ;;
+  --*) cmd=${1#--}; shift; files=("$@") ;;
+  *) files=("$@") ;;
+esac
+[[ $# -eq 0 ]] && usage
+mainmenu $cmd
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