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