解像度で画像を並び替える

関連記事

• ファイルリカバリ
• リカバリ後のタスク

ノート: 回復されたり復元されたファイルへのアクセスを高速化するには、shake ユーティリティを使用してデフラグすることができます。

ファイルの回復が完了し、リカバリ後のタスクスクリプトの助けを借りて画像を復元したら、画像を解像度でソートすると良いでしょう。これにより、撮影した写真、ウェブカメラの画像、またはその他の画像を、解像度が同じ関連画像が多いフォルダにソートできます。

Collect info about images

警告: You must have installed the feh program before running the script.

ノート: To speed up collecting info about images you can skip duplicate images by use a list of non duplicate files but you will also need to remove mime type check in this script and add check files by extension instead.

collect-info-about-images.sh

#!/bin/bash
if [ 'XX' != 'XX'"$1" ]; then 
 if [ -f "$1"  ]; then
# mime part start
  IsIt=$(file "$1" --mime-type -b);
  NeedImageOnly="ItIs_"${IsIt/'/'*/}
   if [ "$NeedImageOnly" == "ItIs_image" ] ; then
# mime part end
ImageInfoFEH=($(feh -l "$1"))
IfDamaged=${?}
ImageType=${ImageInfoFEH[9]}
   Height=${ImageInfoFEH[11]}
    Width=${ImageInfoFEH[10]}
   if [ "$IfDamaged" != '0'  ]; then 
    echo "$1" "Damaged" "${IfDamaged}";
   fi;
    echo "$1"'|'W'|'$Width'|'H'|'$Height'|'Format'|'$ImageType'|'Errors'|'$IfDamaged'|' >> collect-info-about-images.txt
# mime part start
  fi
# mime part end
   else
    echo The « "$1" » is not a valid file name.
  fi
 else
  ScriptsName=${0##*/}
   find -type f -exec sh -e "./$ScriptsName" "{}" \;
  #find -type f  -name "*.jpg" -o -name "*.gif" -o -name "*.png" -exec sh -e "./$ScriptsName" "{}" \;
fi

The $IfDamaged variable contains an exit status code returned by feh.

ノート:

• The feh program ignores some of errors, pixel data errors, in an image if it contains enough of a readable visual data to be shown.
• A pixel error makes that a part of an image or a whole image cannot be shown correctly, it causes wrong colors or blank/empty spaces that often makes the image more or less useless, mostly depends on the amount of a corrupted data in it.

You can also install pngcheck^AUR to check integrity of "PNG, JNG or MNG" and/or jpeginfo^AUR and use output of errors in the $IfDamaged variable or modify script to skip adding of damaged files into a collect-info-about-images.txt file.

Example of pngcheck^AUR check resuslt:

./f939799496.png  invalid IDAT row-filter type (11)
./f939799496.png  private (invalid?) IDAT row-filter type (236) (warning)
./f939799496.png  private (invalid?) IDAT row-filter type (231) (warning)
./f939799496.png  invalid IDAT row-filter type (49)
./f939799496.png  zlib: inflate error = -3 (data error)
ERROR: ./f939799496.png
OK: ./f218842888.png (532x552, 32-bit RGB+alpha, non-interlaced, 95.8%).

Example of jpeginfo^AUR check result:

f62152912.jpg 5678 x 2829 24bit Exif  N 11625509  Corrupt JPEG data: 1074 extraneous bytes before marker 0xd9  [WARNING]
f124619744.jpg  144 x 119  24bit JFIF  N    5813  [OK]

ノート: The jpeginfo^AUR utility cannot scan directories recursively but can read filenames from a file created by find -type f -name "*.jpg">>FileWithPathTo-images.txt, calculate their md5sums and has an option that makes it able to remove damaged image files.

To extract necessary data from a string in a script is better to use an expression instead of an extern program as sed or gawk to make a script work a little faster, e.g.

AA="$(jpeginfo -c f62152912.jpg)";
ZZ="${AA/*' [OK]'/}"; 

if [ 'XX'"$ZZ" == 'XX' ]; then 
  echo File is good'!!!';
fi

The collect-info-about-images.sh script generates data about images by pattern:

full path to image|Width|size|Height|size|Format|type of image|Errors|exit code by feh|

Example: Images/f269351998.bmp|W|40|H|39|Format|bmp|Errors|0|

Sort images by resolution

This script creates folders based on the resolution. You can set your limitations about how many files should be in each folder and how many sub-directories in a base file type named folder. When limit is reached a new number in the order will be added to a directory name for creation. If you have a really huge amount of files and do not want to overload a single folder with all of them then you can also add your own counters for a new sub-folders after the base destination variable IfExist="${Destination}/, just look out for quotes " to be in the begin and end of a whole destination path. It use to be much more easier to browse folders with a limited amount of images, thumbnails loads much faster and to remember or add to favorite a folder number/name instead of trying to find once more same image in an overloaded folder out of probably thousand images there.

警告:

• Those script are only examples and you must modify them for your needs before using, be careful!
• Remove the echo command only after you confirmed that path are created correctly and no problems with reading variables out of a source file, specially in case if you added your own options into the collect-info-about-images.sh file to gather, store and use even more information about images.

ノート:

• You must remove echo command in front of mkdir and mv.
• Any output on screen slows script down, to make it even faster then disable verbose output for mv and cp by removing -v option.
• To monitor that script is running you can use a CPU monitor utility and list folders in the destination directory. Or add echo command only in those script parts where it will minimize output, e.g. counter part for updating of a folder number to avoid a time endless feeling.
• You can also replace mv with cp command for copying of files instead of moving them.

#!/bin/bash

NumberOfBaseDir="0"
SubDirNumber="0"
CountAll="0"
NumDir="0"

echo Creating destination.
Destination="./SortedImages"
echo mkdir -v "${Destination}" -p 
echo Created destination with status: $?

echo Your set of limitations.
SDN=50; echo Limit files in a subdir: $SDN
NBD=50; echo Limit subdirs in a file type named destination: $NBD

SourceDataFile="collect-info-about-images.txt"
echo Source file with a necessery data: $SourceDataFile

if [ 'XX' == 'XX'"$SourceDataFile" ] ; then 
 echo The '$SourceDataFile' variable is empty
 exit 1
else 
 if [ ! -f "$SourceDataFile" ]; then 
  echo The "$SourceDataFile" file doesn"'"t exist
  exit 2
 fi;
fi;

echo Populating an array from a file
ArrayFillCount=0;
while read line ; do
  tmpWb="${line/|H|*/}";
W="${tmpWb/*W|/}";
  tmpHb="${line/|Format|*/}";
H="${tmpHb/*|/}";

#if (( "$W" >= "800" )) && (( "$W" <=  "1000" )); then
#if (( "$H" >= "800" )) && (( "$H" <=  "1000" )); then
  ArrayOfFiles[$ArrayFillCount]="$line";
  ArrayFillCount=$((ArrayFillCount+1))
DupLimitKeeper[$W,$H]="0";
#fi;fi;

done < $SourceDataFile;
echo Done with extracting of necessary data about resolutions.

echo Starting loop of restoration
XX=${#ArrayOfFiles[@]}
while [  "${XX}" != "${CountAl}l" ] ; do
  preType=${ArrayOfFiles[$CountAll]/*"|Format|"/};
ImageType=${preType/|*/}
  preW=${ArrayOfFiles[$CountAll]/*"|W|"/};Width=${preW/|*/};preH=${ArrayOfFiles[$CountAll]/*"|H|"/} 
Height=${preH/|*/};
PathToFile=${ArrayOfFiles[$CountAll]/"|"*/}

DupLimitKeeper[Width,Height]=$((DupLimitKeeper[Width,Height]+1));

IfExist="${Destination}/${ImageType}${NumberOfBaseDir}/Resolution_${Width}x${Height}_DirN${SubDirNumber}"

if [ ! -d "$IfExist"  ];then 
  echo mkdir -vp "$IfExist"
NumDir=$((NumDir+1));
fi

## Creating a new numbered file type folders
if [ "${DupLimitKeeper[Width,Height]}" -gt $SDN ]; then 
  SubDirNumber=$((SubDirNumber+1));
  DupLimitKeeper[$Width,$Height]="0";
fi

## Adding a file number 
FileNameOnly="${PathToFile##*/}"
NewFileName="N${CountAll}C${FileNameOnly}"
#NewFileName="${FileNameOnly}"

## Creating a new sub-dir when limit of files in a sub-folder is reached
if [ $NumDir -gt $NBD ];then 
  NumberOfBaseDir=$((NumberOfBaseDir+1));
  NumDir="0";
fi
##
if [ -f "${PathToFile}" ];then
  echo mv -v "${PathToFile}" "$IfExist/$NewFileName";
# echo cp -v "${PathToFile}" "$IfExist/$NewFileName";
fi

CountAll=$((CountAll+1)) 
done
echo Total processed files: $CountAll

See also

• sort photos into folders based on EXIF data^{[リンク切れ 2022-09-23]}