bpgallery.sh

   1 #!/usr/bin/env bash
   2
   3 # bpgallery.sh - builds a simple 'gallery' from a collection of images
   4 # Copyright (C) 2004 Brett Parker <iDunno@sommitrealweird.co.uk>
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19
  20 set -f
  21
  22 VERSION="1.1.0"
  23
  24 function bpgallery_default_head() {
  25 cat <<END
  26 <?xml version="1.0"?>
  27 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "xhtml11.dtd">
  28 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
  29 <head>
  30         <title>${TITLE}</title>
  31         <link rel="stylesheet" href="style.css" type="text/css" />
  32 </head>
  33 <body>
  34 END
  35 }
  36
  37 declare -rf bpgallery_default_head
  38
  39 function bpgallery_default_description() {
  40 cat <<END
  41         <h1>${TITLE}</h1>
  42         ${DESCRIPTION}
  43 END
  44 }
  45
  46 declare -rf bpgallery_default_description
  47
  48 function bpgallery_default_thumbsline() {
  49 if [[ -z $caption ]]; then
  50         caption_alt=Unknown
  51 else
  52         caption_alt=$caption
  53 fi
  54 cat << END
  55 <div class="thumbnail"><a href="$link"><img src="icons/$filename" alt="$caption_alt" /></a><div class="caption">$caption</div></div>
  56 END
  57 }
  58
  59 declare -rf bpgallery_default_thumbsline
  60
  61 function bpgallery_default_tail() {
  62 cat << END
  63 </body>
  64 </html>
  65 END
  66 }
  67
  68 declare -rf bpgallery_default_tail
  69
  70 function bpgallery_default_stylesheet() {
  71 cat <<END
  72 body {
  73         background: white;
  74         color: black;
  75         font-family: sans-serif;
  76         font-size: 10pt;
  77 }
  78
  79 div.thumbnail {
  80         float: left;
  81         padding: 20px;
  82         border: 0px;
  83         width: ${WIDTH}px;
  84         height: ${MAXHEIGHT}px;
  85 }
  86
  87 div.caption {
  88         width: 100%;
  89         text-align: center;
  90         font-weight: bold;
  91 }
  92
  93 div.navigation {
  94         margin: 0;
  95 }
  96
  97 div.navigation ul {
  98         display: inline;
  99         margin: 0;
 100         padding: 0;
 101         text-align: center;
 102 }
 103
 104 div.navigation ul li {
 105         display: inline;
 106         margin: 2em;
 107 }
 108
 109 a {
 110         border: 0px;
 111 }
 112
 113 img {
 114         border: 0px;
 115 }
 116 END
 117 }
 118
 119 declare -rf bpgallery_default_stylesheet
 120
 121 function bpgallery_default_page() {
 122         $BPGALLERY_HEAD_FUNCTION
 123
 124         linkstart=""
 125         linkend=""
 126
 127         if [[ ! -z $linklocation ]]; then
 128                 linkstart="<a href='$linklocation'>"
 129                 linkend="</a>"
 130         fi
 131
 132         cat <<END
 133 <h1>${caption}</h1>
 134 <div class="navigation">
 135         <ul>
 136                 <li><a href='${INDEXDOCUMENT}'>Thumbnails</a></li>
 137 END
 138         if [[ ! -z $previouspage ]]; then
 139                 $ECHOCOMMAND "<li><a href='${previouspage}'>Previous</a></li>"
 140         else
 141                 $ECHOCOMMAND "<li>Previous</li>"
 142         fi
 143
 144         if [[ ! -z $nextpage ]]; then
 145                 $ECHOCOMMAND "<li><a href='${nextpage}'>Next</a></li>"
 146         else
 147                 $ECHOCOMMAND "<li>Next</li>"
 148         fi
 149 cat <<END
 150         </ul>
 151 </div>
 152 <div class="mainimage">
 153         ${linkstart}<img src="${filename}" alt="${caption}" />${linkend}
 154 </div>
 155 END
 156         $BPGALLERY_TAIL_FUNCTION
 157 }
 158
 159 declare -rf bpgallery_default_page
 160
 161 function bpgallery_escape_url() {
 162         temp=$1
 163         temp=${temp//\%/%25}
 164         temp=${temp//:/%3A}
 165         temp=${temp//;/%3B}
 166         temp=${temp// /%20}
 167         temp=${temp//$/%24}
 168         temp=${temp//&/%26}
 169         temp=${temp//+/%2B}
 170         temp=${temp//,/%2C}
 171         temp=${temp//\//%2F}
 172         temp=${temp//=/%3D}
 173         temp=${temp//\?/%3F}
 174         temp=${temp//@/%40}
 175         temp=${temp//\"/%22}
 176         $ECHOCOMMAND $temp
 177 }
 178
 179 declare -rf bpgallery_escape_url
 180
 181 if [[ ! -z ${BPGALLERY_THEME} ]] ; then
 182         declare -r BPGALLERY_THEME
 183 fi
 184
 185 if [[ ! -z ${TITLE} ]] ; then
 186         declare -r TITLE
 187 fi
 188
 189 if [[ -e /usr/local/etc/bpgallery/config ]] ; then
 190         . /usr/local/etc/bpgallery/config 2>/dev/null
 191 fi
 192
 193 if [[ -e /etc/bpgallery/config ]] ; then
 194         . /etc/bpgallery/config 2>/dev/null
 195 fi
 196
 197 if [[ -e $HOME/.bpgallery.rc ]]; then
 198         . $HOME/.bpgallery.rc 2>/dev/null
 199 fi
 200
 201 if [[ -e $1 && -d $1 && -e $1/.bpgallery.rc ]]; then
 202         . $1/.bpgallery.rc 2>/dev/null
 203 fi
 204
 205 if [[ -z ${BPGALLERY_THEME} ]]; then
 206         BPGALLERY_THEME=default
 207 fi
 208
 209 if [[ ! -z ${BPGALLERY_THEME_DIR} ]] && \
 210         [[ -e ${BPGALLERY_THEME_DIR}/${BPGALLERY_THEME} ]]; then
 211         . ${BPGALLERY_THEME_DIR}/${BPGALLERY_THEME} 2>/dev/null
 212 elif [[ -e $HOME/.bpgallery.themes/${BPGALLERY_THEME} ]]; then
 213         . $HOME/.bpgallery.themes/${BPGALLERY_THEME} 2>/dev/null
 214 elif [[ -e /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} ]]; then
 215         . /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} 2>/dev/null
 216 elif [[ -e /etc/bpgallery/themes/${BPGALLERY_THEME} ]]; then
 217         . /etc/bpgallery/themes/${BPGALLERY_THEME} 2>/dev/null
 218 fi
 219
 220 if [[ -z $TITLE ]]; then
 221         TITLE="Photo Gallery"
 222 fi
 223
 224 if [[ -z $CONVERTTOOL ]]; then
 225         CONVERTTOOL=convert
 226 fi
 227
 228 if [[ -z $FINDCOMMAND ]]; then
 229         FINDCOMMAND=find
 230 fi
 231
 232 if [[ -z $XARGSCOMMAND ]]; then
 233         XARGSCOMMAND=xargs
 234 fi
 235
 236 if [[ -z $ECHOCOMMAND ]]; then
 237         ECHOCOMMAND=echo
 238 fi
 239
 240 if [[ -z $SORTCOMMAND ]]; then
 241         SORTCOMMAND=sort
 242 fi
 243
 244 if [[ -z $IDENTIFYCOMMAND ]]; then
 245         IDENTIFYCOMMAND=identify
 246 fi
 247
 248 if [[ -z $HEADCOMMAND ]]; then
 249         HEADCOMMAND=head
 250 fi
 251
 252 if [[ -z $GREPCOMMAND ]]; then
 253         GREPCOMMAND=grep
 254 fi
 255
 256 if [[ -z $SEDCOMMAND ]]; then
 257         SEDCOMMAND=sed
 258 fi
 259
 260 if [[ -z $WIDTH ]]; then
 261         WIDTH=100
 262 fi
 263
 264 if [[ -z $IMAGEEXTENSIONS ]]; then
 265         IMAGEEXTENSIONS="jpeg jpg gif png";
 266 fi
 267
 268 if [[ -z $WCCOMMAND ]]; then
 269         WCCOMMAND="wc -l"
 270 fi
 271
 272 if [[ -z $CAPTIONHEIGHT ]]; then
 273         CAPTIONHEIGHT=75
 274 fi
 275
 276 if [[ -z $OUTPUTHTML ]]; then
 277         OUTPUTHTML=0
 278 fi
 279
 280 if [[ -z $GENERATEPAGESFORFULLSIZE ]]; then
 281         GENERATEPAGESFORFULLSIZE=0
 282 fi
 283
 284 if [[ -z $GENERATEPAGESFORMEDIUMSIZE ]]; then
 285         GENERATEPAGESFORMEDIUMSIZE=1
 286 fi
 287
 288 if [[ -z $MEDIUMWIDTH ]]; then
 289         MEDIUMWIDTH=400
 290 fi
 291
 292 if [[ -z $INDEXDOCUMENT ]]; then
 293         INDEXDOCUMENT=index.html
 294 fi
 295
 296 if declare -F "bpgallery_${BPGALLERY_THEME}_page" > /dev/null ; then
 297         BPGALLERY_PAGE_FUNCTION="bpgallery_${BPGALLERY_THEME}_page"
 298 else
 299         BPGALLERY_PAGE_FUNCTION="bpgallery_default_page"
 300 fi
 301
 302 if declare -F "bpgallery_${BPGALLERY_THEME}_head" > /dev/null ; then
 303         BPGALLERY_HEAD_FUNCTION="bpgallery_${BPGALLERY_THEME}_head"
 304 else
 305         BPGALLERY_HEAD_FUNCTION="bpgallery_default_head"
 306 fi
 307
 308 if declare -F "bpgallery_${BPGALLERY_THEME}_description" > /dev/null ; then
 309         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_${BPGALLERY_THEME}_description"
 310 else
 311         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_default_description"
 312 fi
 313
 314 if declare -F "bpgallery_${BPGALLERY_THEME}_thumbsline" > /dev/null ; then
 315         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_${BPGALLERY_THEME}_thumbsline"
 316 else
 317         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_default_thumbsline"
 318 fi
 319
 320 if declare -F "bpgallery_${BPGALLERY_THEME}_tail" > /dev/null ; then
 321         BPGALLERY_TAIL_FUNCTION="bpgallery_${BPGALLERY_THEME}_tail"
 322 else
 323         BPGALLERY_TAIL_FUNCTION="bpgallery_default_tail"
 324 fi
 325
 326 if declare -F "bpgallery_${BPGALLERY_THEME}_stylesheet" > /dev/null ; then
 327         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_${BPGALLERY_THEME}_stylesheet"
 328 else
 329         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_default_stylesheet"
 330 fi
 331
 332 FINDIMAGESOPTIONS=""
 333
 334 for imageext in $IMAGEEXTENSIONS; do
 335         FINDIMAGESOPTIONS=$FINDIMAGESOPTIONS' -o -type f -iname '*.$imageext' -print0'
 336 done
 337
 338 FINDIMAGESOPTIONS=${FINDIMAGESOPTIONS## -o }
 339 FINDIMAGESOPTIONS='-maxdepth 1 '${FINDIMAGESOPTIONS}
 340
 341 function usage() {
 342 cat <<END
 343 Usage:
 344   $0 [--help|--version|<path to images>]
 345
 346     --help
 347         displays this help screen
 348     --version
 349         displays the version and exits
 350
 351 This can also takes some environment variables, these will use defaults if not
 352 set.
 353
 354         TITLE
 355             the title of the gallery
 356
 357         WIDTH
 358             the width to make the icons
 359
 360         MEDIUMWIDTH
 361             set the width of images in the medium size pages
 362
 363         BPGALLERY_THEME
 364             set the theme to use (described below)
 365
 366         BPGALLERY_THEME_DIR
 367             set an extra location to look for themes
 368
 369         OUTPUTHTML
 370             sets the script output to be wrapped in a <pre> block
 371
 372         GENERATEPAGESFORMEDIUMSIZE
 373             generate medium sized images and pages
 374
 375         GENERATEPAGESFORFULLSIZE
 376             decide wether to generate pages for the full size images or not
 377
 378         INDEXDOCUMENT
 379             name of the index page (e.g. index.html)
 380
 381 Example:
 382         TITLE="My Funky Gallery" WIDTH=200 INDEXDOCUMENT="welcome.html" GENERATEPAGESFORFULLSIZE=1 GENERATEPAGESFORMEDIUMSIZE=1 MEDIUMWIDTH=400 $0 /path/to/image/folder
 383 END
 384 }
 385
 386 function version() {
 387 cat <<END
 388 Version: $VERSION
 389 END
 390 }
 391
 392 function generate_resized_images() {
 393         $ECHOCOMMAND "Generating $2"
 394         currentimage=0
 395         totalimages=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | $WCCOMMAND);
 396         imagestoupdate=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | while read filename; do filename=${filename//\"/\\\"}; if [ ! -r "$2/$filename" ] || [ "$filename" -nt "$2/$filename" ] || [ $($IDENTIFYCOMMAND -format "%w" "$2/$filename") -ne $1 ]; then $ECHOCOMMAND $filename; fi; done | $WCCOMMAND)
 397
 398         if [ $totalimages -eq 0 ]; then
 399                 # might as well exit at this point - there are no pictures
 400                 $ECHOCOMMAND "No images for the gallery - exiting."
 401                 exit 64
 402         else
 403                 # check if the directory exists and create it other wise
 404                 if [ ! -d $2 ]; then
 405                         mkdir $2
 406                 fi
 407
 408                 if [ ! -w $2 ]; then
 409                         $ECHOCOMMAND "Can't write to $2 directory, exiting"
 410                         exit 16
 411                 fi
 412         fi
 413
 414         if [ $totalimages -eq $imagestoupdate ]; then
 415                 $ECHOCOMMAND "Regenerating all $2"
 416         elif [ $imagestoupdate -eq 0 ]; then
 417                 $ECHOCOMMAND "No Updated $2, not regenerating"
 418                 return
 419         else
 420                 $ECHOCOMMAND "Generating $imagestoupdate of $totalimages $2"
 421         fi
 422
 423         $FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | while read filename; do tempfilename=${filename//\"/\\\"/}; if [ ! -r "$2/$tempfilename" ] || [ "$tempfilename" -nt "$2/$tempfilename" ] || [ $($IDENTIFYCOMMAND -format "%w" "$2/$filename") -ne $1 ]; then $ECHOCOMMAND -n $filename; $ECHOCOMMAND -n -e "\000"; fi; done | $XARGSCOMMAND -0 --verbose --max-procs=4 -I {} $CONVERTTOOL -resize $1 '{}' $2/'{}' 2>&1 | while read throwout; do $ECHOCOMMAND done: $currentimage/$imagestoupdate images; currentimage=$((currentimage+1)); done
 424         $ECHOCOMMAND done: $imagestoupdate/$imagestoupdate images
 425         $ECHOCOMMAND "Completed generating $2 for $totalimages images"
 426 }
 427
 428 function generate_thumbs() {
 429         generate_resized_images $WIDTH icons
 430 }
 431
 432 function generate_medium() {
 433         generate_resized_images $MEDIUMWIDTH medium
 434 }
 435
 436 function generate_pages() {
 437         $ECHOCOMMAND "Generating Pages"
 438         previouspage=""
 439         currentpage=""
 440         nextpage=""
 441         previousimage=""
 442         currentimage=""
 443         nextimage=""
 444         extra=""
 445         extradir=""
 446         addlinks=0
 447
 448         if [ ! -z $1 ]; then
 449                 extra=$1
 450         fi
 451
 452         if [ ! -z $2 ]; then
 453                 extradir=$2/
 454                 addlinks=1
 455         fi
 456
 457         if [ -z $2 ] && [[ $GENERATEPAGESFORMEDIUMSIZE != 0 ]]; then
 458                 addlinks=2
 459         fi
 460
 461         $FINDCOMMAND . $FINDIMAGESOPTIONS | \
 462         $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | \
 463         $SORTCOMMAND -g | \
 464         while read imagefilename; do
 465                 previousimage=$currentimage
 466                 currentimage=$nextimage
 467                 nextimage=${imagefilename#./}
 468                 addlink=""
 469
 470                 if [[ $GENERATEPAGESFORFULLSIZE != 0 ]]; then
 471                         if [[ $addlinks == 1 ]]; then
 472                                 addlink=${currentimage}.html
 473                         else
 474                                 addlink=${currentimage}${extra}.html
 475                         fi
 476                 else
 477                         addlink=${currentimage}
 478                 fi
 479
 480                 previouspage=$currentpage
 481                 currentpage=$nextpage
 482                 if [[ $addlinks == 1 ]]; then
 483                         nextpage=${nextimage}${extra}.html
 484                 else
 485                         nextpage=${nextimage}.html
 486                 fi
 487                 filename=${extradir}${currentimage}
 488                 if [ "x$currentpage" != "x" ]; then
 489                         generate_general_page "$previouspage" "$currentpage" "$nextpage" $addlink
 490                 fi
 491                 $ECHOCOMMAND $nextimage
 492         done | tail -n 2 | (
 493                 read previouspage
 494                 read currentpage
 495                 addlink=""
 496
 497                 if [[ $GENERATEPAGESFORFULLSIZE != 0 ]]; then
 498                         if [[ $addlinks == 1 ]]; then
 499                                 addlink=${currentpage}.html
 500                         else
 501                                 addlink=${currentpage}${extra}.html
 502                         fi
 503                 else
 504                         addlink=${currentpage}
 505                 fi
 506
 507                 filename=${extradir}${currentpage}
 508                 if [[ $addlinks == 1 ]]; then
 509                         currentpage=${currentpage}${extra}.html
 510                         previouspage=${previouspage}${extra}.html
 511                 else
 512                         currentpage=${currentpage}.html
 513                         previouspage=${previouspage}.html
 514                 fi
 515                 nextpage=""
 516                 generate_general_page "$previouspage" "$currentpage" "" $addlink
 517         )
 518 }
 519
 520 function generate_medium_pages() {
 521         generate_pages __medium medium
 522 }
 523
 524 function generate_general_page() {
 525
 526         if [[ -z $1 ]]; then
 527                 previouspage=""
 528         fi
 529
 530         if [[ -z $2 ]]; then
 531                 currentpage=""
 532                 return
 533         fi
 534
 535         if [[ -z $3 ]]; then
 536                 nextpage=""
 537         fi
 538
 539         if [[ ! -z $4 ]]; then
 540                 linklocation=$4
 541         fi
 542
 543         if [ -r captions.txt ]; then
 544                 imagefilename=${filename##*/}
 545                 caption=$($GREPCOMMAND -E "^${imagefilename}    " captions.txt); caption=${caption#*    }
 546         else
 547                 caption=""
 548         fi
 549
 550         $BPGALLERY_PAGE_FUNCTION > "$currentpage"
 551 }
 552
 553 if [[ $OUTPUTHTML != 0 ]]; then
 554         $ECHOCOMMAND "<pre>"
 555 fi
 556
 557 if [[ -z $1 ]]; then
 558         $ECHOCOMMAND "No path given"
 559         usage
 560         exit 1
 561 fi
 562
 563 if [[ "$1" == "--help" || "$1" == "-h" ]]; then
 564         usage
 565         exit 0
 566 fi
 567
 568 if [[ "$1" == "--version" || "$1" == "-v" ]]; then
 569         version
 570         exit 0
 571 fi
 572
 573 if [[ ! -d $1 ]]; then
 574         $ECHOCOMMAND "$1 is not a directory"
 575         usage
 576         exit 2
 577 fi
 578
 579 cd "$1"
 580
 581 if ( ! $FINDCOMMAND . $FINDIMAGESOPTIONS > /dev/null 2>/dev/null ); then
 582         $ECHOCOMMAND "$1 does not contain any images. Quitting."
 583         exit 4
 584 fi
 585
 586 if [ ! -w . ]; then
 587         $ECHOCOMMAND "Can't write to images directory, exiting"
 588         exit 8
 589 fi
 590
 591 if [ -e ${INDEXDOCUMENT} ] && [ ! -w ${INDEXDOCUMENT} ]; then
 592         $ECHOCOMMAND "Can't write ${INDEXDOCUMENT}, exiting"
 593         exit 8
 594 fi
 595
 596 if [ -e style.css ] && [ ! -w style.css ]; then
 597         $ECHOCOMMAND "Can't write style.css, exiting"
 598         exit 8
 599 fi
 600
 601 generate_thumbs
 602
 603 if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 604         generate_medium
 605         generate_medium_pages
 606 fi
 607
 608 if [ $GENERATEPAGESFORFULLSIZE != 0 ]; then
 609         if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 610                 generate_pages __medium
 611         else
 612                 generate_pages
 613         fi
 614 fi
 615
 616 if [ -r description.txt ] ; then
 617         DESCRIPTION=$($SEDCOMMAND -e '1 { s/^/<p>/; }; /^$/ { s,$,</p><p>,; }; $ { s,$,</p>, };' description.txt)
 618 else
 619         DESCRIPTION=""
 620 fi
 621
 622
 623 $ECHOCOMMAND "Starting to generate page"
 624
 625 $BPGALLERY_HEAD_FUNCTION > ${INDEXDOCUMENT}
 626 $BPGALLERY_DESCRIPTION_FUNCTION >> ${INDEXDOCUMENT}
 627
 628 $ECHOCOMMAND "Adding Captions"
 629
 630 extra=""
 631 if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 632         extra=__medium
 633 fi
 634
 635 $FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | $SORTCOMMAND -g | while read filename; do filename=${filename#./}; if [ -r captions.txt ]; then caption=$($GREPCOMMAND -E "^$filename      " captions.txt); caption=${caption#*    }; else caption=""; fi; if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then link=$(bpgallery_escape_url "${filename}${extra}.html"); elif [ $GENERATEPAGESFORFULLSIZE != 0 ]; then link=$(bpgallery_escape_url "${filename}.html"); else link=$(bpgallery_escape_url "$filename"); fi; filename=$(bpgallery_escape_url "$filename"); $BPGALLERY_THUMBSLINE_FUNCTION; done >> ${INDEXDOCUMENT}
 636
 637 $BPGALLERY_TAIL_FUNCTION >> ${INDEXDOCUMENT}
 638
 639 $ECHOCOMMAND "Finished generating the page"
 640 $ECHOCOMMAND "Generating stylesheet"
 641 cd icons
 642
 643 MAXHEIGHT=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%h\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 644 MAXWIDTH=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%w\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 645
 646 cd ..
 647
 648 # add a bit to the maxheight for the size of the caption
 649 MAXHEIGHT=$((MAXHEIGHT+$CAPTIONHEIGHT))
 650
 651 $BPGALLERY_STYLESHEET_FUNCTION > style.css
 652
 653 $ECHOCOMMAND "All done"
 654
 655 if [[ $OUTPUTHTML != 0 ]]; then
 656         $ECHOCOMMAND "</pre>"
 657 fi