Command Line Comment
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Introduction
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     CLCOMMNT is a command line oriented version of the COMMNT program,
     used to add, extract, read or delete comments in the comment area of a
     binary SPICE kernel file. CLCOMMNT has been designed primarily to be
     used for batch processing tasks inside shell scripts.
 
 
Usage
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     The usage of CLCOMMNT is shown below:
 
     Add comments to a kernel file from a comment file.
 
        prompt> clcommnt -a kernel_file comment_file
 
     Extract comments from a kernel file to a comment file.
 
        prompt> clcommnt -e kernel_file comment_file
 
     Read the comments in a kernel file, displaying the results on the
     Standard Output device.
 
        prompt> clcommnt -r kernel_file
 
     Delete all of the comments in a kernel file.
 
        prompt> clcommnt -d kernel_file
 
     See the Commnt User's Guide for descriptions of these functions.
 
 
References
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         1.   Commnt User's Guide; NAIF Document No. 212
 
         2.   SPC Required Reading; NAIF Document No. 211