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The Lounge What is on Your Mind? Similar Threads for Man Pages - In Development Post 303042695 by Neo on Friday 3rd of January 2020 01:56:02 PM
Old 01-03-2020
Here is where we stand, looking only at the man pages under 4000 bytes for similarthreads:
Code:
mysql> connect unixmanpages;select count(1) as count from neo_man_page_entry where similarthread = "nopagetextmatch" or similarthread = "notagsmatch" and strlen < 4000; select count(1) as count from neo_man_page_entry where strlen < 4000;
Connection id:    26801183
Current database: unixmanpages

+-------+
| count |
+-------+
| 94967 |
+-------+
1 row in set (1.09 sec)

+--------+
| count  |
+--------+
| 204819 |
+--------+
1 row in set (0.03 sec)

This means that 46% of all man pages under 4000 bytes are similar thread orphans.

Look at all man pages:

Code:
mysql> connect unixmanpages;select count(1) as count from neo_man_page_entry where similarthread = "nopagetextmatch" or similarthread = "notagsmatch" ; select count(1) as count from neo_man_page_entry;
Connection id:    26806490
Current database: unixmanpages

+--------+
| count  |
+--------+
| 166050 |
+--------+
1 row in set (1.09 sec)

+--------+
| count  |
+--------+
| 347938 |
+--------+
1 row in set (0.00 sec)

mysql>

This means that ~48% of all man pages are similar thread orphans.

Next, I will work on how to reduce the under 4000 byte man page similar thread orphans even further. I think I will work some kind of os (operating system) match, just to reduce the orphans so they have some similar thread friends.
 

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MAN(1)							      General Commands Manual							    MAN(1)

NAME
man - print out the manual SYNOPSIS
man [ - ] [ -a ] [ -M path ] [ section ] title ... DESCRIPTION
Man is the program which provides on-line access to the UNIX manual. If a section specifier is given, man looks in that section of the manual for the given title(s). Section is either an Arabic section number (``3'' for example), or one of the words ``local'', ``new,'' or ``old''. (The abbreviations ``l'', ``n'', and ``o'' are also allowed.) If section is omitted, man searches all sections of the manual, giving preference to commands over library subroutines, and displays the first manual page it finds, if any. If the -a option is supplied, man displays all applicable manual pages. Normally man checks in standard locations (/usr/man and /usr/local/man) for manual information. This can be changed by supplying a search path (a la the Bourne shell) with the -M flag. The search path is a colon (``:'') separated list of directories in which man expects to find the standard manual subdirectories. This search path can also be set with the environmental variable MANPATH. Since some manual pages are intended for use only on certain machines, man only searches those directories applicable to the current machine. Man's determination of the current machine type can be overridden by setting the environmental variable MACHINE. If the standard output is a teletype, and the - flag is not provided, man uses more(1), or the pager provided by the environmental variable PAGER, to display the manual page. The FORTRAN version of section 3 of the manual may be specified by supplying man with the section ``3f''. Also, a specific section of the local manual may be specified by appending a number to the section, i.e. ``l5'' would indicate section 5 of the local manual. FILES
/usr/man standard manual area /usr/man/cat?/* directories containing standard manual pages /usr/local/man/cat?/* directories containing local manual pages /usr/src/man directories containing unformatted manual pages SEE ALSO
apropos(1), more(1), whatis(1), whereis(1) BUGS
The manual is supposed to be reproducible either on the phototypesetter or on a typewriter, however, on a typewriter, some information is necessarily lost. 4th Berkeley Distribution April 19, 1988 MAN(1)
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