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51b2bbcf92
Increased the number of characters in the name field of the nameEntry struct from 34 to 36. This gives an 8-byte alignment to the offset entry, which provides binary compatibility of the precompiled database file between the IIgs and little-endian 32-bit machines such as Linux boxes. *** THIS MEANS THAT THE PRECOMPILED DATABASE IS NO LONGER BINARY COMPATIBLE WITH EARLIER VERSIONS. Updated descu so that the "Last Updated" line in the describe source "header" is updated to reflect the current date and time (GMT, if supported). Fixed a bug in descu that caused the "header" to be slowly eaten, one character at a time. The describe database source file is no longer part of this archive. It is available separately from the url, above. Added a "Known Bugs" section and URLs on where to find the online database to this README. Modified the installation instructions a bit.
116 lines
2.9 KiB
Groff
116 lines
2.9 KiB
Groff
.\"
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.\" $Id: descc.8,v 1.6 1998/01/17 07:20:07 gdr Exp $
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.\"
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.TH DESCC 8 "22 September 1997" GNO "System Administration"
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.SH NAME
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descc \- the describe(1) source compiler
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.SH SYNOPSIS
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.BR descc
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[
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.BR -hV
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]
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.I sourcefile
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.SH DESCRIPTION
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This manual page documents
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.BR descc
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version 1.0.5.
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.LP
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.BR descc
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compiles the describe source file
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.I sourcefile
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and saves the result to the system describe database.
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If the database doesn't exist, or doesn't have type BIN, then
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.BR descc
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will set the database file type to BIN and the auxtype to 0x0000 after
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it has been updated.
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.SH OPTIONS
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.nf
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\fB-h\fR Show usage information.
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\fB-V\fR Show version information.
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.fi
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.SH "FILE FORMATS"
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The describe source file consists of comments and records. A comment
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is any line starting with the
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.BR #
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character. Each record consists of eight fields. The first
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seven consist of one line of text and begin with the following identifiers:
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.nf
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Name: (The name of the program.)
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Version: (The current version number.)
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Shell: (The shell(s) the program was written for.)
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Author: (The author or maintainer of the program.)
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Contact: (How to contact the Author, typically an
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email address.)
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Where: (Where the program should be installed.)
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FTP: (An ftp site from which the program may be
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obtained.)
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.fi
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The last field consists of multiple lines of text. It should be
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a brief description of the program. The following is an example of
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a complete record:
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.RS
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.nf
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Name: describe
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Version: 1.0.5
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Shell: GNO, ORCA/Shell
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Author: James Brookes
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Contact: jamesb@ecst.csuchico.edu
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Where: /usr/bin
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FTP: apple2.caltech.edu, ground.isca.uiowa.edu
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.fi
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Print a multi-line description obtained from the compiled 'describe'
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database; giving utility name, version, intended shell, author,
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author's contact, where the utility is, as well as where the
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utility can be FTPd from on the InterNet.
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.RE
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.LP
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The describe database file consists of a
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.BR Header ,
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a set of
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.BR "Name Entries" ,
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and a set of
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.BR Records ,
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in the following format:
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.nf
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Header
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2 bytes: Short Int, number of \fBName Entries\fR
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Name Entries
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36 bytes: NULL-terminated string; name of the utility.
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4 bytes: Long Int, offset of the \fBrecord\fR in file.
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Records
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8 variable-length NULL-terminated strings.
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.fi
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.SH FILES
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.IP \fB/usr/lib/describe.db\fR
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The system
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.B describe
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database. If the environment variable
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.B DESCDB
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is set, its value will be used instead.
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.SH ENVIRONMENT
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.IP DESCDB
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Full path to the system describe database. If
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.B DESCDB
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is set, its value is used instead of the default location
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.BR /usr/lib/describe.db .
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.SH AUTHOR
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James Brookes <jamesb@ecst.csuchico.edu>.
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.SH HISTORY
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.BR descu
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was incorporated into the GNO base distribution as of version 1.0.4
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.SH "SEE ALSO"
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.BR apropos (1),
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.BR describe (1),
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.BR man (1),
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.BR whatis (1),
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.BR descu (8).
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