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="$link"><img src="${ICONSDIRECTORY}/$filename" alt="$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 function bpgallery_cleanup_directory_name() {
 180         temp=$1
 181         temp=${temp//\%/_}
 182         temp=${temp//:/_}
 183         temp=${temp//;/_}
 184         temp=${temp// /_}
 185         temp=${temp//$/_}
 186         temp=${temp//&/_}
 187         temp=${temp//+/_}
 188         temp=${temp//,/_}
 189         temp=${temp//\//_}
 190         temp=${temp//=/_}
 191         temp=${temp//\?/_}
 192         temp=${temp//@/_}
 193         temp=${temp//\"/_}
 194         $ECHOCOMMAND $temp
 195 }
 196
 197 declare -rf bpgallery_escape_url
 198
 199 if [[ ! -z ${BPGALLERY_THEME} ]] ; then
 200         declare -r BPGALLERY_THEME
 201 fi
 202
 203 if [[ ! -z ${TITLE} ]] ; then
 204         declare -r TITLE
 205 fi
 206
 207 if [[ -e /usr/local/etc/bpgallery/config ]] ; then
 208         . /usr/local/etc/bpgallery/config 2>/dev/null
 209 fi
 210
 211 if [[ -e /etc/bpgallery/config ]] ; then
 212         . /etc/bpgallery/config 2>/dev/null
 213 fi
 214
 215 if [[ -e $HOME/.bpgallery.rc ]]; then
 216         . $HOME/.bpgallery.rc 2>/dev/null
 217 fi
 218
 219 if [[ -e $1 && -d $1 && -e $1/.bpgallery.rc ]]; then
 220         . $1/.bpgallery.rc 2>/dev/null
 221 fi
 222
 223 if [[ -z ${BPGALLERY_THEME} ]]; then
 224         BPGALLERY_THEME=default
 225 fi
 226
 227 if [[ ! -z ${BPGALLERY_THEME_DIR} ]] && \
 228         [[ -e ${BPGALLERY_THEME_DIR}/${BPGALLERY_THEME} ]]; then
 229         . ${BPGALLERY_THEME_DIR}/${BPGALLERY_THEME} 2>/dev/null
 230 elif [[ -e $HOME/.bpgallery.themes/${BPGALLERY_THEME} ]]; then
 231         . $HOME/.bpgallery.themes/${BPGALLERY_THEME} 2>/dev/null
 232 elif [[ -e /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} ]]; then
 233         . /usr/local/etc/bpgallery/themes/${BPGALLERY_THEME} 2>/dev/null
 234 elif [[ -e /etc/bpgallery/themes/${BPGALLERY_THEME} ]]; then
 235         . /etc/bpgallery/themes/${BPGALLERY_THEME} 2>/dev/null
 236 fi
 237
 238 if [[ -z $TITLE ]]; then
 239         TITLE="Photo Gallery"
 240 fi
 241
 242 if [[ -z $CONVERTTOOL ]]; then
 243         CONVERTTOOL=convert
 244 fi
 245
 246 if [[ -z $FINDCOMMAND ]]; then
 247         FINDCOMMAND=find
 248 fi
 249
 250 if [[ -z $XARGSCOMMAND ]]; then
 251         XARGSCOMMAND=xargs
 252 fi
 253
 254 if [[ -z $ECHOCOMMAND ]]; then
 255         ECHOCOMMAND=echo
 256 fi
 257
 258 if [[ -z $SORTCOMMAND ]]; then
 259         SORTCOMMAND=sort
 260 fi
 261
 262 if [[ -z $IDENTIFYCOMMAND ]]; then
 263         IDENTIFYCOMMAND=identify
 264 fi
 265
 266 if [[ -z $HEADCOMMAND ]]; then
 267         HEADCOMMAND=head
 268 fi
 269
 270 if [[ -z $GREPCOMMAND ]]; then
 271         GREPCOMMAND=grep
 272 fi
 273
 274 if [[ -z $SEDCOMMAND ]]; then
 275         SEDCOMMAND=sed
 276 fi
 277
 278 if [[ -z $WIDTH ]]; then
 279         WIDTH=100
 280 fi
 281
 282 if [[ -z $IMAGEEXTENSIONS ]]; then
 283         IMAGEEXTENSIONS="jpeg jpg gif png";
 284 fi
 285
 286 if [[ -z $WCCOMMAND ]]; then
 287         WCCOMMAND="wc -l"
 288 fi
 289
 290 if [[ -z $CAPTIONHEIGHT ]]; then
 291         CAPTIONHEIGHT=75
 292 fi
 293
 294 if [[ -z $OUTPUTHTML ]]; then
 295         OUTPUTHTML=0
 296 fi
 297
 298 if [[ -z $GENERATEPAGESFORFULLSIZE ]]; then
 299         GENERATEPAGESFORFULLSIZE=0
 300 fi
 301
 302 if [[ -z $GENERATEPAGESFORMEDIUMSIZE ]]; then
 303         GENERATEPAGESFORMEDIUMSIZE=1
 304 fi
 305
 306 if [[ -z $PAGESDIRECTORY ]]; then
 307         PAGESDIRECTORY=""
 308 else
 309         removetrailingslashes=${PAGESDIRECTORY%/}
 310         temp=$removetrailingslashes
 311         while [[ $removetrailingslashes != $temp ]]; do
 312                 temp=$removetrailingslashes
 313                 removetrailingslashes=${temp%/}
 314         done
 315         PAGESDIRECTORY=$(bpgallery_escape_url "${PAGESDIRECTORY}")
 316 fi
 317
 318 if [[ -z $MEDIUMWIDTH ]]; then
 319         MEDIUMWIDTH=400
 320 fi
 321
 322 if [[ -z $INDEXDOCUMENT ]]; then
 323         INDEXDOCUMENT=index.html
 324 fi
 325
 326 if [[ -z $MEDIUMDIRECTORY ]]; then
 327         MEDIUMDIRECTORY=medium
 328 else
 329         # Strip out anything that might be broken
 330         MEDIUMDIRECTORY=$(bpgallery_cleanup_directory_name "$MEDIUMDIRECTORY")
 331 fi
 332
 333 if [[ -z $ICONSDIRECTORY ]]; then
 334         ICONSDIRECTORY=icons
 335 else
 336         # Strip out anything that might be broken
 337         ICONSDIRECTORY=$(bpgallery_cleanup_directory_name "$ICONSDIRECTORY")
 338 fi
 339
 340 if declare -F "bpgallery_${BPGALLERY_THEME}_page" > /dev/null ; then
 341         BPGALLERY_PAGE_FUNCTION="bpgallery_${BPGALLERY_THEME}_page"
 342 else
 343         BPGALLERY_PAGE_FUNCTION="bpgallery_default_page"
 344 fi
 345
 346 if declare -F "bpgallery_${BPGALLERY_THEME}_head" > /dev/null ; then
 347         BPGALLERY_HEAD_FUNCTION="bpgallery_${BPGALLERY_THEME}_head"
 348 else
 349         BPGALLERY_HEAD_FUNCTION="bpgallery_default_head"
 350 fi
 351
 352 if declare -F "bpgallery_${BPGALLERY_THEME}_description" > /dev/null ; then
 353         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_${BPGALLERY_THEME}_description"
 354 else
 355         BPGALLERY_DESCRIPTION_FUNCTION="bpgallery_default_description"
 356 fi
 357
 358 if declare -F "bpgallery_${BPGALLERY_THEME}_thumbsline" > /dev/null ; then
 359         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_${BPGALLERY_THEME}_thumbsline"
 360 else
 361         BPGALLERY_THUMBSLINE_FUNCTION="bpgallery_default_thumbsline"
 362 fi
 363
 364 if declare -F "bpgallery_${BPGALLERY_THEME}_tail" > /dev/null ; then
 365         BPGALLERY_TAIL_FUNCTION="bpgallery_${BPGALLERY_THEME}_tail"
 366 else
 367         BPGALLERY_TAIL_FUNCTION="bpgallery_default_tail"
 368 fi
 369
 370 if declare -F "bpgallery_${BPGALLERY_THEME}_stylesheet" > /dev/null ; then
 371         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_${BPGALLERY_THEME}_stylesheet"
 372 else
 373         BPGALLERY_STYLESHEET_FUNCTION="bpgallery_default_stylesheet"
 374 fi
 375
 376 FINDIMAGESOPTIONS=""
 377
 378 for imageext in $IMAGEEXTENSIONS; do
 379         FINDIMAGESOPTIONS=$FINDIMAGESOPTIONS' -o -type f -iname '*.$imageext' -print0'
 380 done
 381
 382 FINDIMAGESOPTIONS=${FINDIMAGESOPTIONS## -o }
 383 FINDIMAGESOPTIONS='-maxdepth 1 '${FINDIMAGESOPTIONS}
 384
 385 function usage() {
 386 cat <<END
 387 Usage:
 388   $0 [--help|--version|<path to images>]
 389
 390     --help
 391         displays this help screen
 392     --version
 393         displays the version and exits
 394
 395 This can also takes some environment variables, these will use defaults if not
 396 set.
 397
 398         TITLE
 399             the title of the gallery
 400
 401         WIDTH
 402             the width to make the icons
 403
 404         MEDIUMWIDTH
 405             set the width of images in the medium size pages
 406
 407         BPGALLERY_THEME
 408             set the theme to use (described below)
 409
 410         BPGALLERY_THEME_DIR
 411             set an extra location to look for themes
 412
 413         OUTPUTHTML
 414             sets the script output to be wrapped in a <pre> block
 415
 416         GENERATEPAGESFORMEDIUMSIZE
 417             generate medium sized images and pages
 418
 419         GENERATEPAGESFORFULLSIZE
 420             decide wether to generate pages for the full size images or not
 421
 422         INDEXDOCUMENT
 423             name of the index page (e.g. index.html)
 424
 425 Example:
 426         TITLE="My Funky Gallery" WIDTH=200 INDEXDOCUMENT="welcome.html" GENERATEPAGESFORFULLSIZE=1 GENERATEPAGESFORMEDIUMSIZE=1 MEDIUMWIDTH=400 $0 /path/to/image/folder
 427 END
 428 }
 429
 430 function version() {
 431 cat <<END
 432 Version: $VERSION
 433 END
 434 }
 435
 436 function generate_resized_images() {
 437         $ECHOCOMMAND "Generating $2"
 438         currentimage=0
 439         totalimages=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | $WCCOMMAND);
 440         imagestoupdate=$($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)
 441
 442         if [ $totalimages -eq 0 ]; then
 443                 # might as well exit at this point - there are no pictures
 444                 $ECHOCOMMAND "No images for the gallery - exiting."
 445                 exit 64
 446         else
 447                 # check if the directory exists and create it other wise
 448                 if [ ! -d $2 ]; then
 449                         mkdir $2
 450                 fi
 451
 452                 if [ ! -w $2 ]; then
 453                         $ECHOCOMMAND "Can't write to $2 directory, exiting"
 454                         exit 16
 455                 fi
 456         fi
 457
 458         if [ $totalimages -eq $imagestoupdate ]; then
 459                 $ECHOCOMMAND "Regenerating all $2"
 460         elif [ $imagestoupdate -eq 0 ]; then
 461                 $ECHOCOMMAND "No Updated $2, not regenerating"
 462                 return
 463         else
 464                 $ECHOCOMMAND "Generating $imagestoupdate of $totalimages $2"
 465         fi
 466
 467         $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
 468         $ECHOCOMMAND done: $imagestoupdate/$imagestoupdate images
 469         $ECHOCOMMAND "Completed generating $2 for $totalimages images"
 470 }
 471
 472 function generate_thumbs() {
 473         generate_resized_images $WIDTH $ICONSDIRECTORY
 474 }
 475
 476 function generate_medium() {
 477         generate_resized_images $MEDIUMWIDTH $MEDIUMDIRECTORY
 478 }
 479
 480 function generate_pages() {
 481         $ECHOCOMMAND "Generating Pages"
 482         previouspage=""
 483         currentpage=""
 484         nextpage=""
 485         previousimage=""
 486         currentimage=""
 487         nextimage=""
 488         extra=""
 489         extradir=""
 490         addlinks=0
 491
 492         if [ ! -z $1 ]; then
 493                 extra=$1
 494         fi
 495
 496         if [ ! -z $2 ]; then
 497                 extradir=$2/
 498                 addlinks=1
 499         fi
 500
 501         if [ -z $2 ] && [[ $GENERATEPAGESFORMEDIUMSIZE != 0 ]]; then
 502                 addlinks=2
 503         fi
 504
 505         $FINDCOMMAND . $FINDIMAGESOPTIONS | \
 506         $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | \
 507         $SORTCOMMAND -g | \
 508         while read imagefilename; do
 509                 previousimage=$currentimage
 510                 currentimage=$nextimage
 511                 nextimage=${imagefilename#./}
 512                 addlink=""
 513
 514                 if [[ $GENERATEPAGESFORFULLSIZE != 0 ]]; then
 515                         if [[ $addlinks == 1 ]]; then
 516                                 addlink=${currentimage}.html
 517                         else
 518                                 addlink=${currentimage}${extra}.html
 519                         fi
 520                 else
 521                         addlink=${currentimage}
 522                 fi
 523
 524                 previouspage=$currentpage
 525                 currentpage=$nextpage
 526                 if [[ $addlinks == 1 ]]; then
 527                         nextpage=${nextimage}${extra}.html
 528                 else
 529                         nextpage=${nextimage}.html
 530                 fi
 531
 532                 if [[ "x$PAGESDIRECTORY" != "x" ]]; then
 533                         filename=../${extradir}${currentimage}
 534                 else
 535                         filename=${extradir}${currentimage}
 536                 fi
 537                 if [ "x$currentpage" != "x" ]; then
 538                         generate_general_page "$previouspage" "$currentpage" "$nextpage" $addlink
 539                 fi
 540                 $ECHOCOMMAND $nextimage
 541         done | tail -n 2 | (
 542                 read previouspage
 543                 read currentpage
 544                 addlink=""
 545
 546                 if [[ $GENERATEPAGESFORFULLSIZE != 0 ]]; then
 547                         if [[ $addlinks == 1 ]]; then
 548                                 addlink=${currentpage}.html
 549                         else
 550                                 addlink=${currentpage}${extra}.html
 551                         fi
 552                 else
 553                         addlink=${currentpage}
 554                 fi
 555
 556                 if [[ "x$PAGESDIRECTORY" != "x" ]]; then
 557                         filename=../${extradir}${currentpage}
 558                 else
 559                         filename=${extradir}${currentpage}
 560                 fi
 561                 if [[ $addlinks == 1 ]]; then
 562                         currentpage=${currentpage}${extra}.html
 563                         previouspage=${previouspage}${extra}.html
 564                 else
 565                         currentpage=${currentpage}.html
 566                         previouspage=${previouspage}.html
 567                 fi
 568                 nextpage=""
 569                 generate_general_page "$previouspage" "$currentpage" "" $addlink
 570         )
 571 }
 572
 573 function generate_medium_pages() {
 574         generate_pages __${MEDIUMDIRECTORY} ${MEDIUMDIRECTORY}
 575 }
 576
 577 function generate_general_page() {
 578
 579         if [[ -z $1 ]]; then
 580                 previouspage=""
 581         fi
 582
 583         if [[ -z $2 ]]; then
 584                 currentpage=""
 585                 return
 586         fi
 587
 588         if [[ -z $3 ]]; then
 589                 nextpage=""
 590         fi
 591
 592         if [[ ! -z $4 ]]; then
 593                 linklocation=$4
 594         fi
 595
 596         if [ -r captions.txt ]; then
 597                 imagefilename=${filename##*/}
 598                 caption=$($GREPCOMMAND -E "^${imagefilename}    " captions.txt); caption=${caption#*    }
 599         else
 600                 caption=""
 601         fi
 602
 603         $BPGALLERY_PAGE_FUNCTION > "${UNIXPAGESDIRECTORY}$currentpage"
 604 }
 605
 606 if [[ $OUTPUTHTML != 0 ]]; then
 607         $ECHOCOMMAND "<pre>"
 608 fi
 609
 610 if [[ -z $1 ]]; then
 611         $ECHOCOMMAND "No path given"
 612         usage
 613         exit 1
 614 fi
 615
 616 if [[ "$1" == "--help" || "$1" == "-h" ]]; then
 617         usage
 618         exit 0
 619 fi
 620
 621 if [[ "$1" == "--version" || "$1" == "-v" ]]; then
 622         version
 623         exit 0
 624 fi
 625
 626 if [[ ! -d $1 ]]; then
 627         $ECHOCOMMAND "$1 is not a directory"
 628         usage
 629         exit 2
 630 fi
 631
 632 cd "$1"
 633
 634 if ( ! $FINDCOMMAND . $FINDIMAGESOPTIONS > /dev/null 2>/dev/null ); then
 635         $ECHOCOMMAND "$1 does not contain any images. Quitting."
 636         exit 4
 637 fi
 638
 639 if [ ! -w . ]; then
 640         $ECHOCOMMAND "Can't write to images directory, exiting"
 641         exit 8
 642 fi
 643
 644 if [ -e ${INDEXDOCUMENT} ] && [ ! -w ${INDEXDOCUMENT} ]; then
 645         $ECHOCOMMAND "Can't write ${INDEXDOCUMENT}, exiting"
 646         exit 8
 647 fi
 648
 649 if [ -e style.css ] && [ ! -w style.css ]; then
 650         $ECHOCOMMAND "Can't write style.css, exiting"
 651         exit 8
 652 fi
 653
 654 generate_thumbs
 655
 656 if [[ "x$PAGESDIRECTORY" != "x" ]]; then
 657         if [ ! -d $PAGESDIRECTORY ]; then
 658                 mkdir -p $PAGESDIRECTORY
 659         fi
 660
 661         if [ ! -w $PAGESDIRECTORY ]; then
 662                 $ECHOCOMMAND "Can't write to $PAGESDIRECTORY directory, exiting"
 663                 exit 16
 664         fi
 665         UNIXPAGESDIRECTORY=$PAGESDIRECTORY/
 666         PAGESDIRECTORY=$(bpgallery_escape_url $PAGESDIRECTORY)/
 667
 668         BASEURL="../"
 669 else
 670         BASEURL=""
 671         UNIXPAGESDIRECTORY=""
 672 fi
 673
 674 if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 675         generate_medium
 676         generate_medium_pages
 677 fi
 678
 679 if [ $GENERATEPAGESFORFULLSIZE != 0 ]; then
 680         if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 681                 generate_pages __${MEDIUMDIRECTORY}
 682         else
 683                 generate_pages
 684         fi
 685 fi
 686
 687 if [ -r description.txt ] ; then
 688         DESCRIPTION=$($SEDCOMMAND -e '1 { s/^/<p>/; }; /^$/ { s,$,</p><p>,; }; $ { s,$,</p>, };' description.txt)
 689 else
 690         DESCRIPTION=""
 691 fi
 692
 693 BASEURL=""
 694
 695 $ECHOCOMMAND "Starting to generate page"
 696
 697 $BPGALLERY_HEAD_FUNCTION > ${INDEXDOCUMENT}
 698 $BPGALLERY_DESCRIPTION_FUNCTION >> ${INDEXDOCUMENT}
 699
 700 $ECHOCOMMAND "Adding Captions"
 701
 702 extra=""
 703 if [ $GENERATEPAGESFORMEDIUMSIZE != 0 ]; then
 704         extra=__${MEDIUMDIRECTORY}
 705 fi
 706
 707 $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}
 708
 709 $BPGALLERY_TAIL_FUNCTION >> ${INDEXDOCUMENT}
 710
 711 $ECHOCOMMAND "Finished generating the page"
 712 $ECHOCOMMAND "Generating stylesheet"
 713 cd $ICONSDIRECTORY
 714
 715 MAXHEIGHT=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%h\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 716 MAXWIDTH=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 $IDENTIFYCOMMAND -format "%w\n" | $GREPCOMMAND -v "^$" | $SORTCOMMAND -g -r | $HEADCOMMAND -n 1)
 717
 718 cd ..
 719
 720 # add a bit to the maxheight for the size of the caption
 721 MAXHEIGHT=$((MAXHEIGHT+$CAPTIONHEIGHT))
 722
 723 $BPGALLERY_STYLESHEET_FUNCTION > style.css
 724
 725 $ECHOCOMMAND "All done"
 726
 727 if [[ $OUTPUTHTML != 0 ]]; then
 728         $ECHOCOMMAND "</pre>"
 729 fi