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