W3 and HTML Tools

Access Count: 1533

To create a transparent GIF file

• netpbm package (UNIX): foo.gif -> bar.gif
  giftopnm foo.gif | ppmtogif -transparent #rrggbb > bar.gif
  where #rrggbb is a hexadecimal red-green-blue triplet of the transparent color, e.g., #a020f0 (purple).
• giftrans (UNIX, DOS): foo.gif -> bar.gif
  giftrans -t color foo.gif > bar.gif
  where color is a name, e.g. purple, or a hexadecimal red-green-blue triplet, e.g. #a020f0, of the transparent color.
• giftool (UNIX, DOS): foo.gif -> bar.gif
  giftool -rgb color foo.gif > bar.gif
  where color is a name, e.g. white, of the transparent color.
• Transparency (Mac)
  You just press a mouse button in a GIF image, select the transparent color, and then save this image.
• clip2gif (Mac)
  You just select one of the "Transparent Background" submenu from the "Options" menu, and then save this image.
• Lview Pro (Windows)
• GIX (Windows)

To create an interlaced GIF file

• netpbm package (UNIX): foo.gif -> bar.gif
  giftopnm foo.gif | ppmtogif -interlace > bar.gif
• giftool (UNIX, DOS): foo.gif -> bar.gif
  giftool -i foo.gif > bar.gif
• GIFConverter (Mac)
• clip2gif (Mac)
  You just select "Interlaced" option from the "Options" menu, and then save this image.
• Lview Pro (Windows)
• GIX (Windows)

To create an animated GIF file

• gifmerge (UNIX): screen*.gif -> anim.gif
  gifmerge [-r,g,b] -delay -lloop screen*.gif > anim.gif
  where -delay sets delay of between images in 1/100th secs, e.g., -50 (0.5 secs), -lloop sets loop counter, e.g., -l0 (ever) or -l10 (10 times), and r,g,b is a decimal red-green-blue tuple of the transparent color, e.g., 160,32,240 (purple).
• GifBuilder (Mac)
• GIF Construction Set (Windows)

To create a single-fork, flattened QuickTime movie

• flatten (UNIX): anim.rsrc + anim.data -> anim.mov
  flatten anim.rsrc anim.data > anim.mov
• Fast Player (Mac)
  You just use the "Export as flat movie" command for an opened movie.
• flattenMooV (Mac)
  You just open a normal movie, and close it to save as the flattened movie.
• QTFlat (DOS)

To create the map configuration file: map editors

• mapedit (X-Windows, Windows)
• WebMap (Mac)
• Hyper MapEdit (Mac)

To create the HTML document easily: HTML editors / authoring tools

• Emacs html-helper-mode
• Emacs hm--html-menus
• Emacs html-mode
• SoftQuad HoTMetaL Free (X-Windows, Windows, Mac)
• Bob's HTML Editor (BHE) (Mac)
• BBEdit Lite w/HTML extensions (Mac)
• HTML.edit (Mac)
• Web Weaver (Mac)
• HTML Assistant (Windows)

To check dubious HTML

• htmlchek: HTML error checker and utilities
  Syntactically checks HTML 2.0 or 3.0 files for a number of possible errors; can do local link cross-reference checking, and generate a rudimentary reference-dependency map. Runs under awk or perl. Includes a number of supplemental utilities for HTML file processing.
  gawk -f htmlchek.awk [options] file.html
  perl htmlchek.pl [options] file.html
• weblint: a Perl script which picks fluff off web pages (HTML)
  Weblint is a syntax and minimal style checker for HTML: a perl script which picks fluff off html pages, much in the same way traditional lint picks fluff off C programs.
  weblint [options] file.html
• Kinder, Gentler HTML Validator
• WebTechs HTML Validation Service
• WWWeblint
• lvrfy: HTML link verifier
• MOMspider

To convert from/to the HTML format

• txt2html
• plain2html
• latex2html
• html2latex
• Webify (PPT2HTML)
• XL2HTML (Excel5.0 to HTML Table)
• mlist2html
• Hypermail
• MHonArc
• HyperNews
• hotlist2html

To analyze the Web server log files

• wwwstat: a Perl script
  Process a sequence of NCSA httpd access_log files and output an HTML summary.
• gwstat: Graphic wwwstat
  Gwstat processes the html output from wwwstat to generate a set of GIF graphs that illustrate the httpd server traffic by hour, day, week, month, year, calling country/domain and accessed archives.
• getstats: a versatile World-Wide Web server log analyzer
  *getstats* (formerly called "getsites") is a C program that will produce detailed, concise, monthly, weekly, daily summary, daily, hourly summary, hourly, domain, request, directory tree, and error reports from your World-Wide Web or Gopher server.

To retrieve a tree of documents from a remote site

• WebCopy: a Perl script which copies files (recursively) via HTTP protocol.