user-tools/organizebydate

   1 #!/bin/bash
   2
   3 true <<EOF
   4 =pod
   5
   6 =head1 NAME
   7
   8 organizebydate - Rename files based on their date-time
   9
  10 =cut
  11
  12 EOF
  13
  14
  15 target_template="%Y/%m/%d/"
  16 time_field=Y
  17 verbose=''
  18 dryrun=0
  19 minlevel=''
  20 maxlevel=''
  21 files_type=''
  22 copy=1
  23 do_touch=''
  24 overwrite_opt='--no-clobber'
  25
  26 usage() {
  27         echo -n "Usage: organizebydate [-t <template>] [-c | -m | -a] [-v] [-n] [[-i | -x] <num>] <files, directories>
  28  --template, -t   Target path name using strftime(3) macros
  29                   Default: $target_template
  30                   Extra macros accepted:
  31                    %@    File's directory path
  32                    %.    File's name itself
  33  --move, --copy   Move or copy files, default is copy
  34  --overwrite      Enable overwrite, default is no-clobber
  35  --ctime, -c, --mtime, -m, --atime, -a
  36                   Timestamping based on change-, modify- (default) or access-time
  37  --email, -E      Files are raw Emails, timestamping based on Date header
  38  --jpeg, -J       Files are JPEG images, timestamping based on EXIF tags
  39  --touch          Change copied (moved) files' mtime
  40  --verbose, -v    Verbose mode
  41  --dry-run, -n    Dry run
  42  --min, -i        Minimum directory level
  43  --max, -x        Maximum directory level
  44 "
  45 }
  46
  47 while [ -n "$1" ]; do
  48         case "$1" in
  49         -h|--help)
  50                 usage
  51                 exit 0
  52                 ;;
  53         -t|--target|--template)
  54                 shift
  55                 target_template="$1"
  56                 ;;
  57         -c|--ctime)
  58                 time_field=Z
  59                 ;;
  60         -m|--mtime)
  61                 time_field=Y
  62                 ;;
  63         -a|--atime)
  64                 time_field=X
  65                 ;;
  66         -E|--rfc822|--email)
  67                 files_type=email
  68                 ;;
  69         -J|--jpeg)
  70                 files_type=jpeg
  71                 ;;
  72         --touch)
  73                 do_touch=1
  74                 ;;
  75         -v|--verbose)
  76                 verbose=-v
  77                 ;;
  78         -n|--dry-run)
  79                 dryrun=1
  80                 ;;
  81         -i|--min)
  82                 shift
  83                 minlevel=$1
  84                 ;;
  85         -x|--max)
  86                 shift
  87                 maxlevel=$1
  88                 ;;
  89         --move)
  90                 copy=0
  91                 ;;
  92         --overwrite)
  93                 overwrite_opt=''
  94                 ;;
  95         --copy)
  96                 copy=1
  97                 ;;
  98         -*)
  99                 echo "$0: unknown option: $1" >&2
 100                 exit 1
 101                 ;;
 102         --)
 103                 shift
 104                 break
 105                 ;;
 106         *)
 107                 break
 108                 ;;
 109         esac
 110         shift
 111 done
 112
 113 if [ -z "$1" ]; then
 114         usage
 115         exit 1
 116 fi
 117
 118 find "$@" ${minlevel:+-mindepth $minlevel} ${maxlevel:+-maxdepth $maxlevel} -type f -print | \
 119 {
 120         set -e
 121         while read file
 122         do
 123                 basedir=`dirname "$file"`
 124                 basename=`basename "$file"`
 125                 datetime=''
 126                 filetime=''
 127
 128                 case "$files_type" in
 129                 email)
 130                         datetime=`grep -m 1 -i -E ^Date: "$file" | cut -d' ' -f2-`
 131                         ;;
 132                 jpeg)
 133                         if type exif >/dev/null 2>&1
 134                         then
 135                                 # Date/Time Original, Create Date, Modify Date, Date
 136                                 for tagid in 0x9003 0x9004 0x0132 0x0006
 137                                 do
 138                                         datetime=`exif -m -t $tagid "$file"`
 139                                         if [ -n "$datetime" ]
 140                                         then
 141                                                 break
 142                                         fi
 143                                 done
 144                         else
 145                                 for tag in DateTimeOriginal CreateDate ModifyDate Date
 146                                 do
 147                                         datetime=`exiftool -d "%Y-%m-%d %H:%M:%S" -$tag -s3 "$file"`
 148                                         if [ -n "$datetime" ]
 149                                         then
 150                                                 break
 151                                         fi
 152                                 done
 153                         fi
 154                         date=${datetime:0:10}
 155                         time=${datetime:10}
 156                         datetime=${date//:/-}${time}
 157                         ;;
 158                 '')
 159                         filetime=`stat -c %$time_field "$file"`
 160                         ;;
 161                 esac
 162
 163                 if [ -n "$datetime" ]
 164                 then
 165                         filetime=`date +%s -d "$datetime"`
 166                 fi
 167
 168                 if [ -z "$filetime" ]
 169                 then
 170                         continue
 171                 fi
 172
 173                 target=`date +"$target_template" -d "@$filetime" | sed -e "s,%@,${basedir//,/\\,},g; s,%\.,${basename//,/\\,},g;"`
 174
 175                 if [ "$dryrun" = 1 ]
 176                 then
 177                         sgn='-'
 178                         [ "$copy" = 1 ] && sgn='='
 179                         echo "$file $sgn> $target"
 180                 else
 181                         if [ "${target: -1}" = / ]
 182                         then
 183                                 target_dir=$target
 184                         else
 185                                 target_dir=`dirname "$target"`
 186                         fi
 187                         [ -d "$target_dir" ] || mkdir -p "$target_dir"
 188
 189                         if [ "$copy" = 1 ]
 190                         then
 191                                 cp $verbose $overwrite_opt "$file" "$target"
 192                         else
 193                                 mv $verbose $overwrite_opt "$file" "$target"
 194                         fi
 195                         if [ "$do_touch" = 1 ]
 196                         then
 197                                 touch -t `date +%Y%m%d%H%M.%S -d "@$filetime"` "$target"
 198                         fi
 199                 fi
 200         done
 201 }
 202