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Purpose: This program provides frequencies of a data set on a column-by-column basis. The main purpose of this program is to be sure that there are reasonable values in the data.

To run, enter codecount < data


  1. Ordinarily the output will be ten columns across and will show how frequently the following codes occur in each column (0-9, -, ., space, alphanumeric, and other).
  2. To get a hexadecimal representation of the data type:

    codecount < data +


  1. To run in the background add an ampersand (&) to the run statement:

    codecount < data &

  2. If data are compressed the data can be piped in from a decompression program:

    zcat data.Z | codecount

  3. To send output to a file named freq:

    codecount < data > freq