├── COPYING ├── ChangeLog ├── README ├── debian └── rmdupe.ctl └── rmdupe /COPYING: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. By contrast, 15 | the GNU General Public License is intended to guarantee your freedom to 16 | share and change all versions of a program--to make sure it remains free 17 | software for all its users. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /ChangeLog: -------------------------------------------------------------------------------- 1 | # 1.0.4: fixed cannot remove filenames with special characters #2 #3 2 | # 1.0.3: corrected for stat %Z .000000000 bug 3 | 4 | -------------------------------------------------------------------------------- /README: -------------------------------------------------------------------------------- 1 | README for rmdupe 2 | 3 | 4 | OVERVIEW 5 | ======== 6 | 7 | rmdupe uses standard linux commands to search within specified folders for 8 | duplicate files, regardless of filename or extension. Before duplicate 9 | candidates are removed they are compared byte-for-byte. rmdupe can also 10 | check duplicates against one or more reference folders, can trash files 11 | instead of removing them, allows for a custom removal command, and can 12 | limit its search to files of specified size. rmdupe includes a simulation 13 | mode which reports what will be done for a given command without actually 14 | removing any files. 15 | 16 | Homepage & Instructions: 17 | http://igurublog.wordpress.com/downloads/script-rmdupe/ 18 | 19 | Downloads: 20 | https://github.com/IgnorantGuru/rmdupe/tags 21 | https://github.com/IgnorantGuru/rmdupe/tree/master/packages 22 | 23 | Debian/Ubuntu PPA: 24 | http://igurublog.wordpress.com/downloads/ppa/ 25 | 26 | Bug Reports: 27 | https://github.com/IgnorantGuru/rmdupe/issues 28 | 29 | 30 | INSTALLATION 31 | ============ 32 | 33 | To install: 34 | 35 | wget https://github.com/IgnorantGuru/rmdupe/raw/master/rmdupe 36 | sudo install rmdupe /usr/local/bin/rmdupe 37 | 38 | To remove: 39 | 40 | sudo rm /usr/local/bin/rmdupe 41 | 42 | 43 | LICENSE 44 | ======= 45 | 46 | This program is free software: you can redistribute it and/or modify 47 | it under the terms of the GNU General Public License as published by 48 | the Free Software Foundation, either version 3 of the License, or 49 | (at your option) any later version. 50 | 51 | This program is distributed in the hope that it will be useful, 52 | but WITHOUT ANY WARRANTY; without even the implied warranty of 53 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 54 | GNU General Public License for more details. 55 | 56 | You should have received a copy of the GNU General Public License 57 | along with this program. If not, see . 58 | 59 | -------------------------------------------------------------------------------- /debian/rmdupe.ctl: -------------------------------------------------------------------------------- 1 | Section: utils 2 | Package: rmdupe 3 | Description: Removes duplicate files from specified folders 4 | rmdupe uses standard linux commands to search within specified folders for 5 | duplicate files, regardless of filename or extension. rmdupe can also 6 | check duplicates against one or more reference folders, can trash files 7 | instead of removing them, allows for a custom removal command, and can 8 | limit its search to files of specified size. 9 | Copyright: COPYING 10 | Changelog: changelog 11 | Readme: README 12 | Files: rmdupe /usr/bin/ 13 | -------------------------------------------------------------------------------- /rmdupe: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | # Script Name: rmdupe http://igurublog.wordpress.com/downloads/script-rmdupe/ 3 | # Requires: 4 | # License: GNU GENERAL PUBLIC LICENSE Version 3 http://www.gnu.org/licenses/gpl-3.0.txt 5 | 6 | argsneeded=1 7 | 8 | help () 9 | { 10 | cat << EOF 11 | rmdupe version 1.0.4 12 | Usage: rmdupe [OPTIONS] FOLDER [...] 13 | Removes duplicate files in specified folders. By default, newest duplicates 14 | are removed. 15 | Options: 16 | -R, -r search specified folders recursively 17 | --ref FOLDER also search FOLDER recursively for copies but don't 18 | remove any files from here (multiple --ref allowed) 19 | Note: files may be removed from a ref folder if that 20 | folder is also a specified folder 21 | --trash FOLDER copy duplicate files to FOLDER instead of removing 22 | --sim simulate and report duplicates only - no removal 23 | --quiet minimize output (disabled if used with --sim) 24 | --verbose detailed output 25 | --old remove oldest duplicates instead of newest 26 | --minsize SIZE limit search to duplicate files SIZE MB and larger 27 | --maxsize SIZE limit search to duplicate files SIZE MB and smaller 28 | --rmcmd "RMCMD" execute RMCMD instead of rm to remove copies 29 | (may contain arguments, eg: "rm -f" or "shred -u") 30 | --xdev don't descend to other filesystems when recursing 31 | specified or ref folders 32 | Notes: do not use wildcards; symlinks are not followed except on the 33 | command line; zero-length files are ignored 34 | 35 | Instructions and updates:" 36 | http://igurublog.wordpress.com/downloads/script-rmdupe/ 37 | 38 | EOF 39 | exit 1 40 | } 41 | 42 | rcount=0 43 | dcount=0 44 | xdev="" 45 | rmcmd="rm" 46 | while [ "$1" != "" ]; 47 | do 48 | if [ "${1:0:1}" = "-" ]; then 49 | case "$1" in 50 | --help | -help ) 51 | help 52 | ;; 53 | -r | -R ) 54 | optrecurse=1 55 | ;; 56 | --xdev | -xdev ) 57 | xdev="-xdev" 58 | ;; 59 | --sim ) 60 | optsim=1 61 | ;; 62 | --old ) 63 | optold=1 64 | ;; 65 | --quiet ) 66 | optquiet=1 67 | ;; 68 | --verbose ) 69 | optverbose=1 70 | ;; 71 | --ref ) 72 | if [ "$2" == "" ] || [ "${2:0:1}" = "-" ]; then 73 | echo Option $1 requires argument 74 | exit 1 75 | fi 76 | if [ ! -d "$2" ]; then 77 | echo "rmdupe: Error: ref folder \"$2\" does not exist" 78 | exit 1 79 | fi 80 | rfolder[$rcount]="$2" 81 | (( rcount += 1 )) 82 | shift 83 | ;; 84 | --trash ) 85 | if [ "$2" == "" ] || [ "${2:0:1}" = "-" ]; then 86 | echo Option $1 requires argument 87 | exit 1 88 | fi 89 | if [ "$trash" != "" ]; then 90 | echo "rmdupe: Error: only one trash folder allowed" 91 | exit 1 92 | fi 93 | trash="$2" 94 | shift 95 | ;; 96 | --rmcmd ) 97 | if [ "$2" == "" ] || [ "${2:0:1}" = "-" ]; then 98 | echo Option $1 requires argument 99 | exit 1 100 | elif [ "$rmcmd" != "rm" ]; then 101 | echo "rmdupe: Error: only one rmcmd accepted" 102 | exit 1 103 | fi 104 | rmcmd="$2" 105 | shift 106 | ;; 107 | --minsize ) 108 | if [ "$2" == "" ] || [ "${2:0:1}" = "-" ]; then 109 | echo Option $1 requires argument 110 | exit 1 111 | fi 112 | minsize="$2" 113 | if (( minsize < 1 )); then 114 | echo "rmdupe: Error: invalid minsize" 115 | exit 1 116 | fi 117 | (( minsize = minsize * 1024 * 1024 )) 118 | shift 119 | ;; 120 | --maxsize ) 121 | if [ "$2" == "" ] || [ "${2:0:1}" = "-" ]; then 122 | echo Option $1 requires argument 123 | exit 1 124 | fi 125 | maxsize="$2" 126 | if (( maxsize < 1 )); then 127 | echo "rmdupe: Error: invalid maxsize" 128 | exit 1 129 | fi 130 | (( maxsize = maxsize * 1024 * 1024 )) 131 | shift 132 | ;; 133 | * ) 134 | echo Unknown option $1 135 | exit 136 | ;; 137 | esac 138 | else 139 | if [ "$1" = "/" ] || [ "$1" = "/." ]; then 140 | echo "rmdupe: Error: use on folder / not permitted for safety" 141 | exit 1 142 | fi 143 | if [ "${1:0:1}" != "/" ]; then 144 | echo "rmdupe: Error: relative folder spec not permitted for safety" 145 | exit 1 146 | fi 147 | if [ ! -d "$1" ]; then 148 | echo "rmdupe: Error: folder \"$1\" does not exist" 149 | exit 1 150 | fi 151 | dfolder[$dcount]="$1" 152 | (( dcount += 1 )) 153 | fi 154 | shift 155 | done 156 | if (( dcount == 0 )); then 157 | help 158 | fi 159 | if [ "$trash" != "" ] && [ "$rmcmd" != "rm" ]; then 160 | echo "rmdupe: Error: can't specify both --trash and --rmcmd" 161 | exit 1 162 | fi 163 | 164 | removefile () { # $1=file 165 | if (( optquiet != 1 )); then 166 | echo " $rmmsg $1" 167 | fi 168 | removesize=$(stat -c%s "$1") 169 | if [ "$trash" != "" ]; then 170 | # trash 171 | if (( optsim != 1 )); then 172 | # get trash name 173 | trashfile="`basename "$1"`" 174 | ext="${trashfile##*.}" 175 | if [ "$ext" = "$trashfile" ]; then 176 | ext="" 177 | fi 178 | num=0 179 | while [ -e "$trash/$trashfile" ]; do 180 | (( num += 1 )) 181 | if [ "$ext" = "" ]; then 182 | trashfile="`basename "$1"`""-copy$num" 183 | else 184 | trashfile="`basename "$1" "$ext"`""copy$num.$ext" 185 | fi 186 | done 187 | mv "$1" "$trash/$trashfile" 188 | if [ "$?" != "0" ] || [ -e "$1" ]; then 189 | echo " rmdupe: Error: move to trash failed for copy $1" 190 | else 191 | (( removecount += 1 )) 192 | ((totalsize += removesize )) 193 | fi 194 | else 195 | sremoved[$sremovedcount]="$1" 196 | (( sremovedcount += 1 )) 197 | (( removecount += 1 )) 198 | ((totalsize += removesize )) 199 | fi 200 | else 201 | # remove 202 | if (( optverbose == 1 )) && [ "$rmcmd" != "rm" ]; then 203 | echo " > $rmcmd \"$1\"" 204 | fi 205 | if (( optsim == 1 )); then 206 | sremoved[$sremovedcount]="$1" 207 | (( sremovedcount += 1 )) 208 | (( removecount += 1 )) 209 | ((totalsize += removesize )) 210 | else 211 | IFS=' ' 212 | $rmcmd "$1" 213 | IFS=$'\n' 214 | if [ -e "$1" ]; then 215 | echo " rmdupe: Error: removal failed of copy $1" 216 | else 217 | (( removecount += 1 )) 218 | ((totalsize += removesize )) 219 | fi 220 | fi 221 | fi 222 | } 223 | 224 | simcheck () { # $1=file 225 | # file has been sim-removed? 226 | srx=0 227 | while (( srx < sremovedcount )); do 228 | if [ "$1" = "${sremoved[$srx]}" ]; then 229 | return 1 230 | fi 231 | (( srx += 1 )) 232 | done 233 | return 0 234 | } 235 | 236 | checkdupe () { # $1=file $2="ref"(optional - reference mode); uses $curfile 237 | # $1 or $curfile may be removed in non-reference mode 238 | # $curfile may be removed in reference mode 239 | # $curfile is set to empty if removed 240 | 241 | if [ "$1" = "$curfile" ]; then 242 | return 243 | fi 244 | # simremoved? 245 | if (( optsim == 1 )); then 246 | simcheck "$1" 247 | if [ "$?" = "0" ]; then 248 | simcheck "$curfile" 249 | if [ "$?" != "0" ]; then 250 | return 251 | fi 252 | else 253 | return 254 | fi 255 | fi 256 | if [ -f "$1" ] && [ -f "$curfile" ]; then 257 | if [ "$2" == "ref" ]; then 258 | refmsg=" (REF)" 259 | else 260 | refmsg="" 261 | fi 262 | # already compared? 263 | test1="[$curfile][$1]" 264 | test2="[$1][$curfile]" 265 | crx=0 266 | while (( crx < comparedcount )); do 267 | if [ "$test1" = "${compared[$crx]}" ] || [ "$test2" = "${compared[$crx]}" ]; then 268 | crx=-1 269 | break 270 | fi 271 | (( crx += 1 )) 272 | done 273 | if [ "$crx" != "-1" ]; then 274 | # compare 275 | if (( optverbose == 1 )); then 276 | echo " Comparing to$refmsg: $1" 277 | fi 278 | cmp -s "$curfile" "$1" 279 | if [ "$?" = "0" ]; then 280 | # it's a copy 281 | if [ "$2" = "ref" ]; then 282 | # ref mode 283 | removefile "$curfile" 284 | curfile="" 285 | else 286 | # non-ref mode - determine which is older 287 | err=0 288 | curage=$(stat -c%Z "$curfile") 289 | curage="${curage%.*}" # corrects .000000000 bug in stat 290 | if [ "$?" != "0" ] || [ "$curage" = "" ]; then 291 | echo " rmdupe: Error: get timestamp failed on $curfile" 292 | err=1 293 | fi 294 | otherage=$(stat -c%Z "$1") 295 | otherage="${otherage%.*}" # corrects .000000000 bug in stat 296 | if [ "$?" != "0" ] || [ "$otherage" = "" ]; then 297 | echo " rmdupe: Error: get timestamp failed on $1" 298 | err=1 299 | fi 300 | if (( err == 0 )); then 301 | if (( curage < otherage )); then 302 | # curfile older 303 | if (( optold == 1 )); then 304 | removefile "$curfile" 305 | curfile="" 306 | else 307 | removefile "$1" 308 | fi 309 | else 310 | # $1 older 311 | if (( optold == 1 )); then 312 | removefile "$1" 313 | else 314 | removefile "$curfile" 315 | curfile="" 316 | fi 317 | fi 318 | fi 319 | fi 320 | else 321 | # not a copy, remember compare 322 | compared[$comparedcount]="[$curfile][$1]" 323 | (( comparedcount += 1 )) 324 | fi 325 | else 326 | if (( optverbose == 1 )); then 327 | echo " Already compared to$refmsg: $1" 328 | fi 329 | fi 330 | fi 331 | } 332 | 333 | 334 | # init 335 | sremovedcount=0 336 | comparedcount=0 337 | if [ "$trash" != "" ]; then 338 | rmmsg="trashing" 339 | if (( optsim != 1 )); then 340 | mkdir -p "$trash" 341 | if [ ! -d "$trash" ]; then 342 | echo "rmdupe: Error: trash folder $trash could not be created" 343 | exit 1 344 | fi 345 | fi 346 | else 347 | rmmsg="removing" 348 | fi 349 | if (( optsim == 1 )); then 350 | rmmsg="sim-$rmmsg" 351 | optquiet=0 352 | fi 353 | if (( optverbose == 1 )); then 354 | optquiet=0 355 | fi 356 | if (( minsize != 0 )) && ((maxsize != 0 )) && (( minsize > maxsize )); then 357 | echo "rmdupe: minsize greater than maxsize - nothing to do" 358 | exit 359 | fi 360 | dfolders="" 361 | dx=0 362 | while (( dx < dcount )); do 363 | dfolders="$dfolders \"${dfolder[$dx]}\"" 364 | (( dx += 1 )) 365 | done 366 | rfolders="" 367 | rx=0 368 | while (( rx < rcount )); do 369 | rfolders="$rfolders \"${rfolder[$rx]}\"" 370 | (( rx += 1 )) 371 | done 372 | removecount=0 373 | 374 | # find all files in dfolders 375 | if (( optrecurse == 1 )); then 376 | md="" 377 | else 378 | md="-maxdepth 1" 379 | fi 380 | flist=`eval find -H $dfolders $xdev $md -type f` 381 | if [ "$flist" = "" ]; then 382 | if (( optquiet != 1 )); then 383 | echo "rmdupe: no files found in specified folders - nothing to do" 384 | fi 385 | exit 386 | fi 387 | 388 | # check for dupes of files 389 | IFSold="$IFS" 390 | IFS=$'\n' 391 | for f in $flist; do 392 | # simremoved? 393 | simremoved=0 394 | if (( optsim == 1 )); then 395 | simcheck "$f" 396 | if [ "$?" != "0" ]; then 397 | simremoved=1 398 | fi 399 | fi 400 | if [ -f "$f" ] && (( simremoved == 0 )); then 401 | fsize=$(stat -c%s "$f") 402 | fsizec="$fsize"c 403 | sizeok=1 404 | if (( minsize > 0 )) && (( fsize < minsize )); then 405 | sizeok=0 406 | elif (( maxsize > 0 )) && (( fsize > maxsize )); then 407 | sizeok=0 408 | fi 409 | if [ "$?" != "0" ] || [ "$fsize" = "" ] || (( fsize == 0 )); then 410 | if [ "$fsize" != "0" ]; then 411 | echo "rmdupe: Error: get filesize failed on $f" 412 | elif (( optverbose == 1 )); then 413 | echo "Ignoring zero-length file: $f" 414 | fi 415 | elif (( sizeok == 1 )); then 416 | if (( optverbose == 1 )); then 417 | echo "Searching for copies of: $f" 418 | fi 419 | # search dfolders 420 | if [ "$dfolders" != "" ]; then # safety 421 | curfile="$f" 422 | dlist=`eval find -H $dfolders $xdev $md -type f -size $fsizec` 423 | if [ "$dlist" != "" ]; then 424 | for df in $dlist; do 425 | checkdupe "$df" # may remove $curfile 426 | if [ "$curfile" = "" ]; then 427 | curfile="$df" 428 | if (( optverbose == 1 )); then 429 | echo "XSearching for copies of: $curfile" 430 | fi 431 | fi 432 | done 433 | fi 434 | fi 435 | # search rfolders 436 | if [ "$rfolders" != "" ]; then 437 | rlist=`eval find -H $rfolders $xdev -type f -size $fsizec` 438 | if [ "$rlist" != "" ]; then 439 | for rf in $rlist; do 440 | checkdupe "$rf" "ref" # may remove $curfile 441 | if [ "$curfile" = "" ]; then 442 | break 443 | fi 444 | done 445 | fi 446 | fi 447 | elif (( optverbose == 1 )); then 448 | echo "Skipping $fsize-byte file $f" 449 | fi 450 | fi 451 | done 452 | IFS="$IFSold" 453 | 454 | # summary 455 | if (( optquiet != 1 )); then 456 | if (( removecount == 0 )); then 457 | echo "No duplicates were found" 458 | exit 0 459 | elif (( removecount == 1 )); then 460 | msg="duplicate was" 461 | else 462 | msg="duplicates were" 463 | fi 464 | if [ "$trash" != "" ]; then 465 | rmmsg="trashed" 466 | else 467 | rmmsg="removed" 468 | fi 469 | (( totalsize = totalsize / 1024 / 1024 )) 470 | echo 471 | if (( optsim == 1 )); then 472 | echo "$removecount $msg sim-$rmmsg (approx $totalsize MB)" 473 | else 474 | echo "$removecount $msg $rmmsg (approx $totalsize MB)" 475 | fi 476 | fi 477 | 478 | exit 0 479 | 480 | # CHANGELOG 481 | # 1.0.4: fixed cannot remove filenames with special characters #2 #3 482 | # 1.0.3: corrected for stat %Z .000000000 bug 483 | 484 | --------------------------------------------------------------------------------