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="1.1.1+arch"
  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>${TITLE}</title>
  31         <link rel="stylesheet" href="${BASEURL}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>${caption}</h1>
 134 <div class="navigation">
 135         <ul>
 136                 <li><a href='${BASEURL}${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 $PAGESDIRECTORY ]]; then
 289         PAGESDIRECTORY=""
 290 else
 291         temp=${PAGESDIRECTORY:${#PAGESDIRECTORY}-1:1}
 292         if [[ "x$temp" != "x/" ]] && [[ "x$temp" != "x\\" ]]; then
 293                 PAGESDIRECTORY=${PAGESDIRECTORY}/
 294         fi
 295 fi
 296
 297 if [[ -z $MEDIUMWIDTH ]]; then
 298         MEDIUMWIDTH=400
 299 fi
 300
 301 if [[ -z $INDEXDOCUMENT ]]; then
 302         INDEXDOCUMENT=index.html
 303 fi
 304
 305 if declare -F "bpgallery_${BPGALLERY_THEME}_page" > /dev/null ; then
 306         BPGALLERY_PAGE_FUNCTION="bpgallery_${BPGALLERY_THEME}_page"
 307 else
 308         BPGALLERY_PAGE_FUNCTION="bpgallery_default_page"
 309 fi
 310
 311 if declare -F "bpgallery_${BPGALLERY_THEME}_head" > /dev/null ; then
 312         BPGALLERY_HEAD_FUNCTION="bpgallery_${BPGALLERY_THEME}_head"
 313 else
 314         BPGALLERY_HEAD_FUNCTION="bpgallery_default_head"
 315 fi
 316
 317 if declare -F "bpgallery_${BPGALLERY_THEME}_description" > /dev/null ; then
 318         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_${BPGALLERY_THEME}_description"
 319 else
 320         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_default_description"
 321 fi
 322
 323 if declare -F "bpgallery_${BPGALLERY_THEME}_thumbsline" > /dev/null ; then
 324         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_${BPGALLERY_THEME}_thumbsline"
 325 else
 326         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_default_thumbsline"
 327 fi
 328
 329 if declare -F "bpgallery_${BPGALLERY_THEME}_tail" > /dev/null ; then
 330         BPGALLERY_TAIL_FUNCTION="bpgallery_${BPGALLERY_THEME}_tail"
 331 else
 332         BPGALLERY_TAIL_FUNCTION="bpgallery_default_tail"
 333 fi
 334
 335 if declare -F "bpgallery_${BPGALLERY_THEME}_stylesheet" > /dev/null ; then
 336         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_${BPGALLERY_THEME}_stylesheet"
 337 else
 338         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_default_stylesheet"
 339 fi
 340
 341 FINDIMAGESOPTIONS=""
 342
 343 for imageext in $IMAGEEXTENSIONS; do
 344         FINDIMAGESOPTIONS=$FINDIMAGESOPTIONS' -o -type f -iname '*.$imageext' -print0'
 345 done
 346
 347 FINDIMAGESOPTIONS=${FINDIMAGESOPTIONS## -o }
 348 FINDIMAGESOPTIONS='-maxdepth 1 '${FINDIMAGESOPTIONS}
 349
 350 function usage() {
 351 cat <<END
 352 Usage:
 353   $0 [--help|--version|<path to images>]
 354
 355     --help
 356         displays this help screen
 357     --version
 358         displays the version and exits
 359
 360 This can also takes some environment variables, these will use defaults if not
 361 set.
 362
 363         TITLE
 364             the title of the gallery
 365
 366         WIDTH
 367             the width to make the icons
 368
 369         MEDIUMWIDTH
 370             set the width of images in the medium size pages
 371
 372         BPGALLERY_THEME
 373             set the theme to use (described below)
 374
 375         BPGALLERY_THEME_DIR
 376             set an extra location to look for themes
 377
 378         OUTPUTHTML
 379             sets the script output to be wrapped in a <pre> block
 380
 381         GENERATEPAGESFORMEDIUMSIZE
 382             generate medium sized images and pages
 383
 384         GENERATEPAGESFORFULLSIZE
 385             decide wether to generate pages for the full size images or not
 386
 387         INDEXDOCUMENT
 388             name of the index page (e.g. index.html)
 389
 390 Example:
 391         TITLE="My Funky Gallery" WIDTH=200 INDEXDOCUMENT="welcome.html" GENERATEPAGESFORFULLSIZE=1 GENERATEPAGESFORMEDIUMSIZE=1 MEDIUMWIDTH=400 $0 /path/to/image/folder
 392 END
 393 }
 394
 395 function version() {
 396 cat <<END
 397 Version: $VERSION
 398 END
 399 }
 400
 401 function generate_resized_images() {
 402         $ECHOCOMMAND "Generating $2"
 403         currentimage=0
 404         totalimages=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | $WCCOMMAND);
 405         imagestoupdate=$($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)
 406
 407         if [ $totalimages -eq 0 ]; then
 408                 # might as well exit at this point - there are no pictures
 409                 $ECHOCOMMAND "No images for the gallery - exiting."
 410                 exit 64
 411         else
 412                 # check if the directory exists and create it other wise
 413                 if [ ! -d $2 ]; then
 414                         mkdir $2
 415                 fi
 416
 417                 if [ ! -w $2 ]; then
 418                         $ECHOCOMMAND "Can't write to $2 directory, exiting"
 419                         exit 16
 420                 fi
 421         fi
 422
 423         if [ $totalimages -eq $imagestoupdate ]; then
 424                 $ECHOCOMMAND "Regenerating all $2"
 425         elif [ $imagestoupdate -eq 0 ]; then
 426                 $ECHOCOMMAND "No Updated $2, not regenerating"
 427                 return
 428         else
 429                 $ECHOCOMMAND "Generating $imagestoupdate of $totalimages $2"
 430         fi
 431
 432         $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
 433         $ECHOCOMMAND done: $imagestoupdate/$imagestoupdate images
 434         $ECHOCOMMAND "Completed generating $2 for $totalimages images"
 435 }
 436
 437 function generate_thumbs() {
 438         generate_resized_images $WIDTH icons
 439 }
 440
 441 function generate_medium() {
 442         generate_resized_images $MEDIUMWIDTH medium
 443 }
 444
 445 function generate_pages() {
 446         $ECHOCOMMAND "Generating Pages"
 447         previouspage=""
 448         currentpage=""
 449         nextpage=""
 450         previousimage=""
 451         currentimage=""
 452         nextimage=""
 453         extra=""
 454         extradir=""
 455         addlinks=0
 456
 457         if [ ! -z $1 ]; then
 458                 extra=$1
 459         fi
 460
 461         if [ ! -z $2 ]; then
 462                 extradir=$2/
 463                 addlinks=1
 464         fi
 465
 466         if [ -z $2 ] && [[ $GENERATEPAGESFORMEDIUMSIZE != 0 ]]; then
 467                 addlinks=2
 468         fi
 469
 470         $FINDCOMMAND . $FINDIMAGESOPTIONS | \
 471         $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | \
 472         $SORTCOMMAND -g | \
 473         while read imagefilename; do
 474                 previousimage=$currentimage
 475                 currentimage=$nextimage
 476                 nextimage=${imagefilename#./}
 477                 addlink=""
 478
 479                 if [[ $GENERATEPAGESFORFULLSIZE != 0 ]]; then
 480                         if [[ $addlinks == 1 ]]; then
 481                                 addlink=${currentimage}.html
 482                         else
 483                                 addlink=${currentimage}${extra}.html
 484                         fi
 485                 else
 486                         addlink=${currentimage}
 487                 fi
 488
 489                 previouspage=$currentpage
 490                 currentpage=$nextpage
 491                 if [[ $addlinks == 1 ]]; then
 492                         nextpage=${nextimage}${extra}.html
 493                 else
 494                         nextpage=${nextimage}.html
 495                 fi
 496
 497                 if [[ "x$PAGESDIRECTORY" != "x" ]]; then
 498                         filename=../${extradir}${currentimage}
 499                 else
 500                         filename=${extradir}${currentimage}
 501                 fi
 502                 if [ "x$currentpage" != "x" ]; then
 503                         generate_general_page "$previouspage" "$currentpage" "$nextpage" $addlink
 504                 fi
 505                 $ECHOCOMMAND $nextimage
 506         done | tail -n 2 | (
 507                 read previouspage
 508                 read currentpage
 509                 addlink=""
 510
 511                 if [[ $GENERATEPAGESFORFULLSIZE != 0 ]]; then
 512                         if [[ $addlinks == 1 ]]; then
 513                                 addlink=${currentpage}.html
 514                         else
 515                                 addlink=${currentpage}${extra}.html
 516                         fi
 517                 else
 518                         addlink=${currentpage}
 519                 fi
 520
 521                 if [[ "x$PAGESDIRECTORY" != "x" ]]; then
 522                         filename=../${extradir}${currentpage}
 523                 else
 524                         filename=${extradir}${currentpage}
 525                 fi
 526                 if [[ $addlinks == 1 ]]; then
 527                         currentpage=${currentpage}${extra}.html
 528                         previouspage=${previouspage}${extra}.html
 529                 else
 530                         currentpage=${currentpage}.html
 531                         previouspage=${previouspage}.html
 532                 fi
 533                 nextpage=""
 534                 generate_general_page "$previouspage" "$currentpage" "" $addlink
 535         )
 536 }
 537
 538 function generate_medium_pages() {
 539         generate_pages __medium medium
 540 }
 541
 542 function generate_general_page() {
 543
 544         if [[ -z $1 ]]; then
 545                 previouspage=""
 546         fi
 547
 548         if [[ -z $2 ]]; then
 549                 currentpage=""
 550                 return
 551         fi
 552
 553         if [[ -z $3 ]]; then
 554                 nextpage=""
 555         fi
 556
 557         if [[ ! -z $4 ]]; then
 558                 linklocation=$4
 559         fi
 560
 561         if [ -r captions.txt ]; then
 562                 imagefilename=${filename##*/}
 563                 caption=$($GREPCOMMAND -E "^${imagefilename}    " captions.txt); caption=${caption#*    }
 564         else
 565                 caption=""
 566         fi
 567
 568         $BPGALLERY_PAGE_FUNCTION > "${PAGESDIRECTORY}$currentpage"
 569 }
 570
 571 if [[ $OUTPUTHTML != 0 ]]; then
 572         $ECHOCOMMAND "<pre>"
 573 fi
 574
 575 if [[ -z $1 ]]; then
 576         $ECHOCOMMAND "No path given"
 577         usage
 578         exit 1
 579 fi
 580
 581 if [[ "$1" == "--help" || "$1" == "-h" ]]; then
 582         usage
 583         exit 0
 584 fi
 585
 586 if [[ "$1" == "--version" || "$1" == "-v" ]]; then
 587         version
 588         exit 0
 589 fi
 590
 591 if [[ ! -d $1 ]]; then
 592         $ECHOCOMMAND "$1 is not a directory"
 593         usage
 594         exit 2
 595 fi
 596
 597 cd "$1"
 598
 599 if ( ! $FINDCOMMAND . $FINDIMAGESOPTIONS > /dev/null 2>/dev/null ); then
 600         $ECHOCOMMAND "$1 does not contain any images. Quitting."
 601         exit 4
 602 fi
 603
 604 if [ ! -w . ]; then
 605         $ECHOCOMMAND "Can't write to images directory, exiting"
 606         exit 8
 607 fi
 608
 609 if [ -e ${INDEXDOCUMENT} ] && [ ! -w ${INDEXDOCUMENT} ]; then
 610         $ECHOCOMMAND "Can't write ${INDEXDOCUMENT}, exiting"
 611         exit 8
 612 fi
 613
 614 if [ -e style.css ] && [ ! -w style.css ]; then
 615         $ECHOCOMMAND "Can't write style.css, exiting"
 616         exit 8
 617 fi
 618
 619 generate_thumbs
 620
 621 if [[ "x$PAGESDIRECTORY" != "x" ]]; then
 622         if [ ! -d $PAGESDIRECTORY ]; then
 623                 mkdir -p $PAGESDIRECTORY
 624         fi
 625
 626         if [ ! -w $PAGESDIRECTORY ]; then
 627                 $ECHOCOMMAND "Can't write to $PAGESDIRECTORY directory, exiting"
 628                 exit 16
 629         fi
 630
 631         BASEURL="../"
 632 fi
 633
 634 if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 635         generate_medium
 636         generate_medium_pages
 637 fi
 638
 639 if [ $GENERATEPAGESFORFULLSIZE != 0 ]; then
 640         if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 641                 generate_pages __medium
 642         else
 643                 generate_pages
 644         fi
 645 fi
 646
 647 if [ -r description.txt ] ; then
 648         DESCRIPTION=$($SEDCOMMAND -e '1 { s/^/<p>/; }; /^$/ { s,$,</p><p>,; }; $ { s,$,</p>, };' description.txt)
 649 else
 650         DESCRIPTION=""
 651 fi
 652
 653 BASEURL=""
 654
 655 $ECHOCOMMAND "Starting to generate page"
 656
 657 $BPGALLERY_HEAD_FUNCTION > ${INDEXDOCUMENT}
 658 $BPGALLERY_DESCRIPTION_FUNCTION >> ${INDEXDOCUMENT}
 659
 660 $ECHOCOMMAND "Adding Captions"
 661
 662 extra=""
 663 if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 664         extra=__medium
 665 fi
 666
 667 $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 [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then link=${PAGESDIRECTORY}$(bpgallery_escape_url "${filename}${extra}.html"); elif [ $GENERATEPAGESFORFULLSIZE != 0 ]; then link=${PAGESDIRECTORY}$(bpgallery_escape_url "${filename}.html"); else link=$(bpgallery_escape_url "$filename"); fi; filename=$(bpgallery_escape_url "$filename"); $BPGALLERY_THUMBSLINE_FUNCTION; done >> ${INDEXDOCUMENT}
 668
 669 $BPGALLERY_TAIL_FUNCTION >> ${INDEXDOCUMENT}
 670
 671 $ECHOCOMMAND "Finished generating the page"
 672 $ECHOCOMMAND "Generating stylesheet"
 673 cd icons
 674
 675 MAXHEIGHT=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%h\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 676 MAXWIDTH=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%w\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 677
 678 cd ..
 679
 680 # add a bit to the maxheight for the size of the caption
 681 MAXHEIGHT=$((MAXHEIGHT+$CAPTIONHEIGHT))
 682
 683 $BPGALLERY_STYLESHEET_FUNCTION > style.css
 684
 685 $ECHOCOMMAND "All done"
 686
 687 if [[ $OUTPUTHTML != 0 ]]; then
 688         $ECHOCOMMAND "</pre>"
 689 fi