calmsacibis995
105 lines
2.3 KiB
Plaintext
105 lines
2.3 KiB
Plaintext
.TH makemdbm 1M
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.SH NAME
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makemdbm, makedbm \- make an NIS mdbm file
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.SH SYNOPSIS
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.nf
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\f3makemdbm\f1 [ \f3\-b\f1 ] [ \f3\-l\f1 ] [ \f3\-i\f1 \f2yp_input_file\f1 ] \c
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[ \f3\-o\f1 \f2yp_output_name\f1 ]
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[ \f3\-d\f1 \f2yp_domain_name\f1 ] [ \f3\-m\f1 \f2yp_master_name\f1 ] \c
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\f2infile\f1 \f2outfile\f1
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\f3makemdbm\f1 [ \f3\-u\f1 \f2mdbmfilename\f1 ]
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.fi
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.SH DESCRIPTION
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.I makemdbm
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takes
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.I infile
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and converts it to a file in
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.IR mdbm (3B)
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format.
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Each line of the input file is converted to a single
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.I mdbm
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record.
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All characters up to the first tab or space form the key,
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and the rest of the line is the data.
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If a line ends with \e,
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then the data for that record is continued on to the next line.
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It is left for the clients of the network information service (NIS)
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to interpret #;
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.I makedbm
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does not itself treat it as a comment character.
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.I infile
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can be
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.BR \- ,
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in which case standard input is read.
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.LP
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.I makemdbm
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is meant to be used in generating
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.I mdbm
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files for NIS.
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It generates a special entry with the key
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.IR yp_last_modified ,
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which is the date of
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.I infile
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(or the current time, if
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.I infile
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is
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.BR \- ).
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.SH OPTIONS
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.TP
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.B \-l
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Convert all uppercase characters in the keys to lowercase.
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.TP
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.B \-i \f2yp_input_file\f1
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Create a special entry with the key
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.IR YP_INPUT_FILE .
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.TP
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.B \-o \f2yp_output_name\f1
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Create a special entry with the key
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.IR YP_OUTPUT_NAME .
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.TP
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.B \-d \f2yp_domain_name\f1
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Create a special entry with the key
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.IR YP_DOMAIN_NAME .
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.TP
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.B \-m \f2yp_master_name\f1
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Create a special entry with the key
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.IR YP_MASTER_NAME .
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If no master hostname is specified,
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.I yp_master_name
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is set to the local hostname.
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.TP
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.B \-u \f2mdbmfilename\f1
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Undo a
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.I mdbm
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file.
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That is, print out a
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.I mdbm
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file one entry per line,
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with a single space separating keys from values.
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.SH EXAMPLE
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It is easy to write shell scripts
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to convert standard files such as
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.I /etc/passwd
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to the key value form used by
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.IR makemdbm .
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For example,
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.Ex
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#!/usr/bin/awk -f
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BEGIN { FS = ":"; OFS = "\et"; }
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{ print $1, $0 }
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.Ee
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takes the
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.I /etc/passwd
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file and converts it to a form that can be read by
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.I makemdbm
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to make the NIS file
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.IR passwd.byname .
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That is, the key is a username,
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and the value is the remaining line in the
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.I /etc/passwd
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file.
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.SH SEE ALSO
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yppasswd(1),
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nis(1M),
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mdbm(3B).
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