stdin is working properly when the process is on the foreground. Its not working on the back ground
On Sat, Feb 19, 2011 at 4:19 PM, Arun Venkataswamy <[email protected]>wrote: > On Sat, Feb 19, 2011 at 12:42 PM, Rajesh kumar <[email protected] > >wrote: > > > How can i read a barcode using a C program. > > > > I can able to read barcode manually in a gedit. i Need to create a c > > program which reads the barcode device and write the data to a text file. > > > > How this can be done. > > > > > If gedit is getting the bar code data, then most probably it's a keyboard > mimic. > Do you want to write a command line application in C or a GUI based one? > > If it is command line based, just use stdin or whatever you use > to normally get keyboard input. > > If it's GUI based, either you can wait for keyboard events or the simpler > way is to ask the user to place the cursor in a text field and then scan. > Then collect the information form the text field. > > Regards, > Arun > _______________________________________________ > ILUGC Mailing List: > http://www.ae.iitm.ac.in/mailman/listinfo/ilugc > _______________________________________________ ILUGC Mailing List: http://www.ae.iitm.ac.in/mailman/listinfo/ilugc
