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histo computes a histogram from the data in a file. The command line syntax is
histo input-file
If input-file is specified as a `-', then standard-input will be used. Every word in the file which can be interpreted as a number is used.
As the program executes, you will be asked for the dimensions of the graph. The histogram is sent to standard output, and is designed to printed or displayed on a character device. histo uses the same code as the HISTO command in the Analysis facility, see Histo Command.