#!/bin/bash # gallery.sh # Author: Nils Knieling - https://github.com/Cyclenerd/gallery_shell # Inspired by: Shapor Naghibzadeh - https://github.com/shapor/bashgal ######################################################################################### #### Configuration Section ######################################################################################### MY_HEIGHT_SMALL=406 MY_HEIGHT_LARGE=768 MY_QUALITY=85 MY_THUMBDIR="__thumbs" MY_INDEX_HTML_FILE="index.html" MY_TITLE="Gallery" MY_FOOTER='Created with gallery.sh' # Use convert from ImageMagick MY_CONVERT_COMMAND="convert" # Use JHead for EXIF Information MY_EXIF_COMMAND="jhead" # Bootstrap 4 MY_CSS="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.6.2/css/bootstrap.min.css" # Debugging output # true=enable, false=disable MY_DEBUG=true ######################################################################################### #### End Configuration Section ######################################################################################### MY_SCRIPT_NAME=$(basename "$0") MY_DATETIME=$(date -u "+%Y-%m-%d %H:%M:%S") MY_DATETIME+=" UTC" function usage { MY_RETURN_CODE="$1" echo -e "Usage: $MY_SCRIPT_NAME [-t ] [-d <thumbdir>] [-h]: [-t <title>]\\t sets the title (default: $MY_TITLE) [-d <thumbdir>]\\t sets the thumbdir (default: $MY_THUMBDIR) [-h]\\t\\t displays help (this message)" exit "$MY_RETURN_CODE" } function debugOutput(){ if [[ "$MY_DEBUG" == true ]]; then echo "$1" # if debug variable is true, echo whatever's passed to the function fi } function getFileSize(){ # Be aware that BSD stat doesn't support --version and -c if stat --version &>/dev/null; then # GNU MY_FILE_SIZE=$(stat -c %s "$1" | awk '{$1/=1000000;printf "%.2fMB\n",$1}') else # BSD MY_FILE_SIZE=$(stat -f %z "$1" | awk '{$1/=1000000;printf "%.2fMB\n",$1}') fi echo "$MY_FILE_SIZE" } while getopts ":t:d:h" opt; do case $opt in t) MY_TITLE="$OPTARG" ;; d) MY_THUMBDIR="$OPTARG" ;; h) usage 0 ;; *) echo "Invalid option: -$OPTARG" usage 1 ;; esac done debugOutput "- $MY_SCRIPT_NAME : $MY_DATETIME" ### Check Commands command -v $MY_CONVERT_COMMAND >/dev/null 2>&1 || { echo >&2 "!!! $MY_CONVERT_COMMAND it's not installed. Aborting."; exit 1; } command -v $MY_EXIF_COMMAND >/dev/null 2>&1 || { echo >&2 "!!! $MY_EXIF_COMMAND it's not installed. Aborting."; exit 1; } ### Create Folders [[ -d "$MY_THUMBDIR" ]] || mkdir "$MY_THUMBDIR" || exit 2 MY_HEIGHTS[0]=$MY_HEIGHT_SMALL MY_HEIGHTS[1]=$MY_HEIGHT_LARGE for MY_RES in "${MY_HEIGHTS[@]}"; do [[ -d "$MY_THUMBDIR/$MY_RES" ]] || mkdir -p "$MY_THUMBDIR/$MY_RES" || exit 3 done #### Create Startpage debugOutput "$MY_INDEX_HTML_FILE" cat > "$MY_INDEX_HTML_FILE" << EOF <!DOCTYPE HTML> <html lang="en"> <head> <meta charset="utf-8"> <title>$MY_TITLE
$MY_TITLE
EOF ### Photos (JPG) if [[ $(find . -maxdepth 1 -type f -iname \*.jpg | wc -l) -gt 0 ]]; then MY_ROWS='3' echo '
' >> "$MY_INDEX_HTML_FILE" ## Generate Images MY_NUM_FILES=0 for MY_FILENAME in *.[jJ][pP][gG]; do MY_FILELIST[$MY_NUM_FILES]=$MY_FILENAME (( MY_NUM_FILES++ )) for MY_RES in "${MY_HEIGHTS[@]}"; do if [[ ! -s $MY_THUMBDIR/$MY_RES/$MY_FILENAME ]]; then debugOutput "$MY_THUMBDIR/$MY_RES/$MY_FILENAME" $MY_CONVERT_COMMAND -auto-orient -strip -quality $MY_QUALITY -resize x$MY_RES "$MY_FILENAME" "$MY_THUMBDIR/$MY_RES/$MY_FILENAME" fi done cat >> "$MY_INDEX_HTML_FILE" << EOF

Thumbnail: $MY_FILENAME

EOF done echo '
' >> "$MY_INDEX_HTML_FILE" ## Generate the HTML Files for Images in thumbdir MY_FILE=0 while [[ $MY_FILE -lt $MY_NUM_FILES ]]; do MY_FILENAME=${MY_FILELIST[$MY_FILE]} MY_PREV="" MY_NEXT="" [[ $MY_FILE -ne 0 ]] && MY_PREV=${MY_FILELIST[$((MY_FILE - 1))]} [[ $MY_FILE -ne $((MY_NUM_FILES - 1)) ]] && MY_NEXT=${MY_FILELIST[$((MY_FILE + 1))]} MY_IMAGE_HTML_FILE="$MY_THUMBDIR/$MY_FILENAME.html" MY_EXIF_INFO=$($MY_EXIF_COMMAND "$MY_FILENAME") MY_FILESIZE=$(getFileSize "$MY_FILENAME") debugOutput "$MY_IMAGE_HTML_FILE" cat > "$MY_IMAGE_HTML_FILE" << EOF $MY_FILENAME
$MY_TITLE
EOF # Pager echo '
' >> "$MY_IMAGE_HTML_FILE" if [[ $MY_PREV ]]; then echo '« Previous' >> "$MY_IMAGE_HTML_FILE" else echo '« Previous' >> "$MY_IMAGE_HTML_FILE" fi cat >> "$MY_IMAGE_HTML_FILE" << EOF

$MY_FILENAME

EOF if [[ $MY_NEXT ]]; then echo 'Next »' >> "$MY_IMAGE_HTML_FILE" else echo 'Next »' >> "$MY_IMAGE_HTML_FILE" fi echo '
' >> "$MY_IMAGE_HTML_FILE" cat >> "$MY_IMAGE_HTML_FILE" << EOF

Image: $MY_FILENAME

Download Original ($MY_FILESIZE)

EOF # EXIF if [[ $MY_EXIF_INFO ]]; then cat >> "$MY_IMAGE_HTML_FILE" << EOF 
$MY_EXIF_INFO
EOF fi # Footer cat >> "$MY_IMAGE_HTML_FILE" << EOF

EOF (( MY_FILE++ )) done fi ### Movies (MOV or MP4) if [[ $(find . -maxdepth 1 -type f -iname \*.mov -o -iname '*.mp4' | wc -l) -gt 0 ]]; then cat >> "$MY_INDEX_HTML_FILE" << EOF

Movies

EOF if [[ $(find . -maxdepth 1 -type f -iname \*.mov | wc -l) -gt 0 ]]; then for MY_FILENAME in *.[mM][oO][vV]; do MY_FILESIZE=$(getFileSize "$MY_FILENAME") cat >> "$MY_INDEX_HTML_FILE" << EOF $MY_FILENAME ($MY_FILESIZE) EOF done fi if [[ $(find . -maxdepth 1 -type f -iname \*.mp4 | wc -l) -gt 0 ]]; then for MY_FILENAME in *.[mM][pP]4; do MY_FILESIZE=$(getFileSize "$MY_FILENAME") cat >> "$MY_INDEX_HTML_FILE" << EOF $MY_FILENAME ($MY_FILESIZE) EOF done fi echo '
' >> "$MY_INDEX_HTML_FILE" fi ### Downloads (ZIP) if [[ $(find . -maxdepth 1 -type f -iname \*.zip | wc -l) -gt 0 ]]; then cat >> "$MY_INDEX_HTML_FILE" << EOF

Downloads

EOF for MY_FILENAME in *.[zZ][iI][pP]; do MY_FILESIZE=$(getFileSize "$MY_FILENAME") cat >> "$MY_INDEX_HTML_FILE" << EOF $MY_FILENAME ($MY_FILESIZE) EOF done echo '
' >> "$MY_INDEX_HTML_FILE" fi ### Footer cat >> "$MY_INDEX_HTML_FILE" << EOF

EOF debugOutput "= done"