Add script that sorts media files into a target folder

zsh/funcs/img2folder.sh

@@ -0,0 +1,194 @@
+function img2folder () (
+    #set -x
+    FLAG_DRYRUN=1
+    FLAG_MOVE=0
+    FLAG_SOURCE=
+    FLAG_TARGET=
+
+    function _print_help() {
+        echo "Sort media files from a source dir and into a target dir"
+        echo ""
+        echo "Usage: img2folder <options> -s <source-dir> -t <target-dir>"
+        echo "    -s <source-dir>  : source folder"
+        echo "    -t <source-dir>  : target folder"
+        echo "    -d               : no dry run"
+        echo "    -m               : move instead of copy"
+    }
+
+    function _img_fn_2_exif () {
+        file=$1
+        file_name=$(basename ${file})
+        file_name_prefix=${file_name%.*}
+
+        if [ $FLAG_DRYRUN -eq 1 ]; then
+            cmd=(echo)
+        else
+            cmd=()
+        fi
+        cmd+=(exiftool -overwrite_original -DateTimeOriginal=${file_name_prefix} ${file})
+        echo ${cmd}
+        "${cmd[@]}"
+    }
+
+    function _exif_to_isoformat () {
+        current_exif=$1
+        date_only=${current_exif#*Original*: }
+        date_wo_colon=${date_only//:/}
+        date_wo_ws=${date_wo_colon// /T}
+        echo ${date_wo_ws}
+    }
+
+    function _is_same_file () {
+        file1=$1
+        file2=$2
+        hash1=$(shasum $file1)
+        hash2=$(shasum $file2)
+        if [ "${hash1% *}" = "${hash2% *}" ]; then
+            echo 1
+        else
+            echo 2
+        fi
+    }
+
+    function _gen_target_file_path () {
+        date=$1
+        target_sort_dir=$2
+        extension=$3
+        suffix_c=$4
+        datedirs=${date:0:4}"/"${date:4:2}
+        filename=${date/T/-}
+        suffix_f=$(printf "%04d" "$suffix_c")
+        target_file_path=$target_path"/"$datedirs"/"$filename"-"$suffix_f"."$extension
+        echo $target_file_path
+    }
+
+    # process input flags
+    while true; do
+        case $1 in
+            -d)
+                FLAG_DRYRUN=0
+                shift;
+                ;;
+            -h)
+                _print_help
+                exit 0
+                ;;
+            -m)
+                FLAG_MOVE=1
+                shift;
+                ;;
+            -s)
+                shift
+                FLAG_SOURCE=$1
+                shift
+                ;;
+            -t)
+                shift
+                FLAG_TARGET=$1
+                shift
+                ;;
+            *)
+                break
+                ;;
+        esac
+    done
+
+    # make sure input is correct
+    if [ -z $FLAG_SOURCE ]; then
+        echo "You need to specify a source directory"
+        exit 1
+    fi
+    if [ -z $FLAG_TARGET ]; then
+        echo "You need to specify a target directory"
+        exit 1
+    fi
+
+    source_path=$(readlink -f ${FLAG_SOURCE})
+    target_path=$(readlink -f ${FLAG_TARGET})
+    if [ ! -d ${target_path} ]; then
+        echo "Target directory ${target_path} does not exist"
+        exit 1
+    fi
+
+    #set -x
+    # main processing
+    IFS=$'\n'
+    for file in $(find ${source_path} -type f); do
+        file_basename=$(basename $file)
+        extension=${file_basename##*.}
+        current_exif=$(exiftool -m -DateTimeOriginal ${file})
+        if [ -z ${current_exif} ]; then
+            _img_fn_2_exif ${file}
+            exit_value=$?
+            if [ $exit_value -ne 0 ]; then
+                echo "Could not add Exif information, exit value was $exit_value, skipping"
+                continue
+            else
+                current_exif=$(exiftool -m -DateTimeOriginal ${file})
+            fi
+        fi
+        datetime=$(_exif_to_isoformat ${current_exif})
+
+        # create target file path and make sure we dont generate duplicates
+        target_exists=true
+        suffix_c=0
+        while $target_exists; do
+            target_file_path=$(_gen_target_file_path ${datetime} ${target_path} ${extension} ${suffix_c})
+            if [ -e $target_file_path ]; then
+                if [ $(_is_same_file ${file} ${target_file_path}) -eq 1 ]; then
+                    echo "Duplicate found, skipping ${file}."
+                    break
+                else
+                    suffix_c=$((suffix_c+1))
+                fi
+            else
+                target_exists=false
+            fi
+        done
+
+        # create directory if needed
+        target_dir_path=$(dirname ${target_file_path})
+        if [ ! -d ${target_dir_path} ]; then
+            if [ $FLAG_DRYRUN -eq 1 ]; then
+                cmd=(echo)
+            else
+                cmd=()
+            fi
+            cmd+=(mkdir -p ${target_dir_path})
+            echo ${cmd}
+            "${cmd[@]}"
+        fi
+
+        # copy or move file
+        if [ $FLAG_DRYRUN -eq 1 ]; then
+            cmd=(echo)
+        else
+            cmd=()
+        fi
+        if [ $FLAG_MOVE -eq 1 ]; then
+            cmd+=(mv)
+        else
+            cmd+=(cp)
+        fi
+        cmd+=($file $target_file_path)
+        echo ${cmd}
+        "${cmd[@]}"
+
+    done
+
+    # rm empty folders in source dir
+    if [ $FLAG_MOVE -eq 1 ]; then
+        for dir in $(find ${source_path} -type d); do
+            if [ $FLAG_DRYRUN -eq 1 ]; then
+                cmd=(echo)
+            else
+                cmd=()
+            fi
+            cmd+=(rmdir -p $dir)
+            echo ${cmd}
+            "${cmd[@]}"
+        done
+    fi
+
+)
+

zsh/funcs/imgfn2exif.sh

@@ -12,12 +12,12 @@ function imgfn2exif () (
         echo "                     : -d     write exif information"
         echo "                     : -o     overwrite existing exif information"
     }
-    
+
     function _img_fn_2_exif () {
         file=$1
         file_name=$(basename ${file})
         file_name_prefix=${file_name%.*}
-    
+
         if [ $FLAG_DRYRUN -eq 1 ]; then
             cmd=(echo)
         else