copying from private repo

av/jhead-process

@@ -0,0 +1,148 @@
+#!/bin/bash
+set -e
+
+
+_help() {
+    self=$( readlink -f "$0" )
+    grep "  # " "$self" | grep -v [\)]
+    exit
+  # jhead processor:  renames images and videos with dates, and moves to subfolders
+  # Give filenames as arguments e.x.: *
+  #
+}
+
+
+which jhead &> /dev/null || {
+    echo "jhead missing"
+    exit 1
+}
+
+function is_image() {
+    jhead "$1" &>/dev/null
+}
+
+function gen_unique() {
+    if [[ ! -e "$1" ]]; then
+        echo "$1"
+        return
+    fi
+    pathdir=$( dirname "$1" )
+    fullname="${1##*/}"
+    extension="${fullname##*.}"
+    filename="${fullname%.*}"
+    aZ=( {a..z} {A..Z} )
+    idx=0
+    while true; do
+        newname="${filename}.${aZ[$idx]}.${extension}"
+        idx=$(( idx + 1 ))
+        if [[ ! -e "$pathdir/$newname" ]]; then
+            echo "$pathdir/$newname"
+            return
+        fi
+        if [[ -z "${aZ[$idx]}" ]]; then
+          echo "Cannot find unique filename for: $1" >&2
+          exit 1
+        fi
+    done
+}
+
+function image() {
+    newname=$( jhead -n%Y-%m-%d_%H%M%S "$1" )
+    if [[ -z "$newname" ]]; then
+        newname="$1"
+    else
+        newname=${newname##*--> }
+    fi
+    if [[ ! -e "$newname" ]]; then
+       echo Unexpected filename "$newname" >&2
+       exit 1
+    fi
+    jhead -c -ft -autorot -cl "-" "$newname"
+    move_to_dir "$newname"
+}
+
+
+function move_to_dir() {
+    if [[ $DIRS -eq 0 ]]; then
+        return
+    fi
+    pathdir=$( dirname "$1" )
+    fullname="${1##*/}"
+    date=$( date '+%Y-%m-%d' -d "$( date '+%Y/%m/%d %H:%M:%S' -r "$1" ) + 4" )
+    mkdir -p "$pathdir/$date"
+    tgt_name=$( gen_unique "$pathdir/$date/$fullname" )
+    mv -vi "$1" "$tgt_name"
+}
+
+
+function other() {
+    pathdir=$( dirname "$1" )
+    fullname="${1##*/}"
+    try_date=$( video_date "$1" )
+    [[ -n "$try_date" ]] && touch -d "$try_date" "$1"
+    dname=$( date '+%Y-%m-%d_%H%M%S' -d "$( date '+%Y/%m/%d %H:%M:%S' -r "$1" )" )
+    tgt=$( gen_unique "$pathdir/${dname}.$fullname" )
+    mv -v "$1" "$tgt"
+    move_to_dir "$tgt"
+}
+
+
+function video_date() {
+    ffprobe -hide_banner "$1" 2>&1 | grep creation_time | \
+      head -n 1 | cut -d: -f2- | xargs -II date -d I 2>/dev/null
+}
+
+
+if [[ -z "$1" ]]; then
+    _help
+fi
+
+DIRS=1
+ONLYDIRS=0
+for arg in "$@"; do
+case "$arg" in
+
+    --nodir)
+        #  --nodir Do not move files to subfolders
+        DIRS=0
+        ;;
+    --onlydir)
+        #  --onlydir Move files to subfolders, but do not rename
+        ONLYDIRS=1
+        DIRS=1
+        ;;
+    --debug)
+        #  --debug turn on set -x
+        set -x
+        ;;
+    --help)
+        #  --help This help message
+        _help
+        ;;
+    -h)  # This help message
+        _help
+        ;;
+esac
+done
+
+for file in "$@"; do
+    if [[ "$file" = "-"* ]]; then
+        continue
+    fi
+    if [[ -d "$file" ]]; then
+        continue
+    fi
+    if [[ $ONLYDIRS -eq 1 ]]; then
+        move_to_dir "$file"
+        continue
+    fi
+    if is_image "$file"; then
+        image "$file"
+    else
+        other "$file"
+    fi
+
+done
+
+
+