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Shell Programming and Scripting
Check for a file and touch if not exist
Post 302770232 by sandeep karna on Friday 15th of February 2013 12:30:20 AM
02-15-2013
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LEARN ABOUT NETBSD
tpctl
TPCTL(8) BSD System Manager's Manual TPCTL(8) NAME
tpctl -- touch panel calibration utility SYNOPSIS
tpctl [-D dispdevname] [-d devname] [-f filename] [-hnuv] DESCRIPTION
tpctl is a touch panel calibration utility. tpctl calibrates a touch panel and saves and restores the calibration parameters into/from a parameter database file. Available command-line flags are: -D dispdevname Specify display device name. -d devname Specify touch panel device name. -f filename Specify alternate parameter database file name. -h Print brief description. -n Do not change the parameter database file. -u Force calibration. Without this flag, tpctl won't do calibration if the database file already contains parameters for the touch panel. -v Verbose mode. You calibrate the touch panel the first time you run tpctl. If you see a cross cursor on the screen, you should tap the center of the cursor to calibrate the touch panel, or you can abort the calibration with the 'ESC' key. Five cursors will appear on the screen in turn. Once calibration is done, tpctl saves the calibration parameters into the database file and uses the saved parameters to calibrate the touch panel. You can run tpctl automatically with /etc/rc.d/tpctl. FILES
/etc/tpctl.dat The default calibration parameter database file. The -f flag may be used to specify an alternate database file name. tpctl will create an empty database file if it doesn't exist. /dev/ttyE0 The default display device, which is used to display the cursor during calibration. The -D flag may be used to specify an alternate display device name. The display device must provide the 'hpcfb' interface as defined in /usr/include/dev/hpc/hpcfbio.h. /dev/wsmux0 The default touch panel device. The -d flag may be used to specify an alternate touch panel device name. SEE ALSO
rc.conf(5) BUGS
tpctl isn't available on all ports because it requires a display device which provides the 'hpcfb' interface. BSD
August 25, 2002 BSD