xbiff - mailbox flag for X
xbiff [ -toolkitoption ... ] [ -option ... ]
The xbiff program displays a little image of a mailbox. When there is no mail, the flag on the mailbox is down. When mail arrives, the flag goes up and the mailbox beeps. By default, pressing any mouse button in the image forces xbiff to remember the current size of the mail file as being the ``empty'' size and to lower the flag.
Xbiff accepts all of the standard X Toolkit command line options along with the additional options listed below: -help This option indicates that a brief summary of the allowed options should be printed on the standard error. -update seconds This option specifies the frequency in seconds at which xbiff should update its display. If the mailbox is obscured and then exposed, it will be updated immediately. The default is 30 seconds. -file filename This option specifies the name of the file which should be monitored. By default it watches your inbox in the default location for your system (some examples are /var/mail/username, /usr/spool/mail/username, /var/spool/mail/username (where username is your login name). If the MAIL environment variable is set, the file specified by it will be monitored. -volume percentage This option specifies how loud the bell should be rung when new mail comes in. -shape This option indicates that the mailbox window should be shaped if masks for the empty or full images are given. The following standard X Toolkit command line arguments are commonly used with xbiff: -display display This option specifies the X server to contact. -geometry geometry This option specifies the preferred size and position of the mailbox window. The mailbox is 48 pixels wide and 48 pixels high and will be centered in the window. -bg color This option specifies the color to use for the background of the window. -bd color This option specifies the color to use for the border of the window. -bw number This option specifies the width in pixels of the border surrounding the window. -fg color This option specifies the color to use for the foreground of the window. -rv This option indicates that reverse video should be simulated by swapping the foreground and background colors. -xrm resourcestring This option specifies a resource string to be used. This is especially useful for setting resources that do not have separate command line options.
The application class name is XBiff. This program uses the Mailbox widget. It understands all of the core resource names and classes as well as: checkCommand (class CheckCommand) Specifies a shell command to be executed to check for new mail rather than examining the size of file. The specified string value is used as the argument to a system(3) call and may therefore contain i/o redirection. An exit status of 0 indicates that new mail is waiting, 1 indicates that there has been no change in size, and 2 indicates that the mail has been cleared. By default, no shell command is provided. file (class File) Specifies the name of the file to monitor. The default is as described above for the -file command line option. onceOnly (class Boolean) Specifies that the bell is only rung the first time new mail is found and is not rung again until at least one interval has passed with no mail waiting. The window will continue to indicate the presence of new mail until it has been retrieved. The default is false. width (class Width) Specifies the width of the mailbox. height (class Height) Specifies the height of the mailbox. update (class Interval) Specifies the frequency in seconds at which the mail should be checked. The default is 30. volume (class Volume) Specifies how loud the bell should be rung. The default is 33 percent. foreground (class Foreground) Specifies the color for the foreground. reverseVideo (class ReverseVideo) Specifies that the foreground and background should be reversed. flip (class Flip) Specifies whether or not the image that is shown when mail has arrived should be inverted. The default is ``true.'' fullPixmap (class Pixmap) Specifies a bitmap to be shown when new mail has arrived. The default is flagup. emptyPixmap (class Pixmap) Specifies a bitmap to be shown when no new mail is present. The default is flagdown. shapeWindow (class ShapeWindow) Specifies whether or not the mailbox window should be shaped to the given fullPixmapMask and emptyPixmapMask. The default is false. fullPixmapMask (class PixmapMask) Specifies a mask for the bitmap to be shown when new mail has arrived. The default is none. emptyPixmapMask (class PixmapMask) Specifies a mask for the bitmap to be shown when no new mail is present. The default is none.
The Mailbox widget provides the following actions for use in event translations: check() This action causes the widget to check for new mail and display the flag appropriately. unset() This action causes the widget to lower the flag until new mail comes in. set() This action causes the widget to raise the flag until the user resets it. The default translation is <ButtonPress>: unset()
DISPLAY to get the default host and display number. XENVIRONMENT to get the name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property.
X(7), xrdb(1), stat(2)
The mailbox bitmaps are ugly.
Jim Fulton, MIT X Consortium Additional hacks by Ralph Swick, DEC/MIT Project Athena
Personal Opportunity - Free software gives you access to billions of dollars of software at no cost. Use this software for your business, personal use or to develop a profitable skill. Access to source code provides access to a level of capabilities/information that companies protect though copyrights. Open source is a core component of the Internet and it is available to you. Leverage the billions of dollars in resources and capabilities to build a career, establish a business or change the world. The potential is endless for those who understand the opportunity.
Business Opportunity - Goldman Sachs, IBM and countless large corporations are leveraging open source to reduce costs, develop products and increase their bottom lines. Learn what these companies know about open source and how open source can give you the advantage.
Free Software provides computer programs and capabilities at no cost but more importantly, it provides the freedom to run, edit, contribute to, and share the software. The importance of free software is a matter of access, not price. Software at no cost is a benefit but ownership rights to the software and source code is far more significant.
Free Office Software - The Libre Office suite provides top desktop productivity tools for free. This includes, a word processor, spreadsheet, presentation engine, drawing and flowcharting, database and math applications. Libre Office is available for Linux or Windows.
The Free Books Library is a collection of thousands of the most popular public domain books in an online readable format. The collection includes great classical literature and more recent works where the U.S. copyright has expired. These books are yours to read and use without restrictions.
Source Code - Want to change a program or know how it works? Open Source provides the source code for its programs so that anyone can use, modify or learn how to write those programs themselves. Visit the GNU source code repositories to download the source.
Study at Harvard, Stanford or MIT - Open edX provides free online courses from Harvard, MIT, Columbia, UC Berkeley and other top Universities. Hundreds of courses for almost all major subjects and course levels. Open edx also offers some paid courses and selected certifications.
Linux Manual Pages - A man or manual page is a form of software documentation found on Linux/Unix operating systems. Topics covered include computer programs (including library and system calls), formal standards and conventions, and even abstract concepts.