Summary User’s Manual

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Summary User Manual

This document describes the use of the NTP Project’s summary program. This document applies to version 4.2.8p18 of summary.

Short Table of Contents


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1 Invoking summary

This section was generated by AutoGen, using the agtexi-cmd template and the option descriptions for the summary program.


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1.1 summary help/usage (--help)

This is the automatically generated usage text for summary.

The text printed is the same whether selected with the help option (--help) or the more-help option (--more-help). more-help will print the usage text by passing it through a pager program. more-help is disabled on platforms without a working fork(2) function. The PAGER environment variable is used to select the program, defaulting to more. Both will exit with a status code of 0.

summary - compute various stastics from NTP stat files - Ver. 4.2.8p18
USAGE: summary [ -<flag> [<val>] | --<name>[{=| }<val>] ]... 

        --directory=str          Directory containing stat files
        --end-date=num           End date
        --output-directory=str   Output directory
        --peer-dist-limit=float  Peer dist limit
        --skip-time-steps=float  Ignore time offsets larger that this
        --start-date=num         Start date
    -?, --help                   Display usage information and exit
        --more-help              Pass the extended usage text through a pager

Options are specified by doubled hyphens and their name or by a single
hyphen and the flag character.

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1.1.1 directory option

This is the “directory containing stat files” option. This option takes a string argument. The directory where ntpd will search for .stat files generated by ntpd.


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1.1.2 end-date option

This is the “end date” option. This option takes a number argument. Process all files with the date suffix less or equal to value of this option. Defaults to today minus one day (Use date -u +%Y%m%d) to get the timestamp.


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1.1.3 output-directory option

This is the “output directory” option. This option takes a str argument. The output directory summary will write all output files to.


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1.1.4 start-date option

This is the “start date” option. This option takes a num argument. Process all files with the date suffix more or equal to value of this option. Defaults to 197000101.


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1.1.5 summary exit status

One of the following exit values will be returned:

0 (EXIT_SUCCESS)

Successful program execution.

1 (EXIT_FAILURE)

The operation failed or the command syntax was not valid.