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108 lines
4.2 KiB
Groff
108 lines
4.2 KiB
Groff
.\" -*- nroff -*-
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.\" $Id: tap2file.1 1188 2019-07-13 14:31:51Z mueller $
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.\" SPDX-License-Identifier: GPL-3.0-or-later
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.\" Copyright 2015-2019 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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.\"
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.\" ------------------------------------------------------------------
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.
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.TH TAP2FILE 1 2019-07-08 "Retro Project" "Retro Project Manual"
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.\" ------------------------------------------------------------------
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.SH NAME
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tap2file \- split a tap format tape container into individual files
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.\" ------------------------------------------------------------------
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.SH SYNOPSIS
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.
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.SY tap2file
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.OP \-\-pref=p
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.OP \-\-v
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.I FILE
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.
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.SY tap2file
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.B \-\-help
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.YS
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.
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.\" ------------------------------------------------------------------
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.SH DESCRIPTION
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Reads the tap format tape container \fIFILE\fR and creates for tape file an
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individual disk file. The created files are named \fIpref\fR_nn.dat, where
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\fIpref\fR is either the prefix given with the \fB\-\-pref\fR option or the
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stem of \fIFILE\fR.
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\fBtap2file\fR writes to stdout a one line message for each created file which
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gives the filename, the number of tape records and the record length. In case
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the record length is variable the minimal and the maximal record length is given.
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.
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.\" ------------------------------------------------------------------
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.SH OPTIONS
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.
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.\" ----------------------------------------------
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.IP "\fB\-pref\fR=\fIp\fR"
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use \fIp\fR as prefix to generate the names of all generated file. If not
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specified the stem of the input file name is taken.
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.
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.\" ----------------------------------------------
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.IP "\fB\-v\fR"
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verbose mode, prints a message per processed record which contains file number,
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record number, record length and the first 16 bytes as hex dump. EOF and
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EOT markers are also indicated. Can be useful for tapes with varying record
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length files or for debugging.
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.
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.\" ----------------------------------------------
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.IP "\fB\-help\fR"
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print full help text and exit.
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.\" ------------------------------------------------------------------
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.SH EXAMPLES
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.IP "\fBtap2file tmscptape.tap\fR" 4
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reads the file \fItmscptape.tap\fR and creates a file for each tape file.
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Because no \fB\-\-pref\fR option is given the output files will be named
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"tmscptape_nn.dat". The stdout output might look like
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.EX
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tmscptape_00.dat: 73 records, length 512
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tmscptape_01.dat: 38 records, length 1024
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tmscptape_02.dat: 34 records, length 1024
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tmscptape_03.dat: 36 records, length 1024
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tmscptape_04.dat: 33 records, length 1024
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tmscptape_05.dat: 501 records, length 10240
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tmscptape_06.dat: 3516 records, length 10240
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tmscptape_07.dat: 903 records, length 10240
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tmscptape_08.dat: 4168 records, length 10240
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.EE
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which indicates that the first file had 512 byte records, the next four 1024
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byte records, and the remaining ones 10240 byte records. In case of a tape
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generated by a Unix system a record length of 10240 is a good hint this the
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file contains a \fBtar\fR(1) archive.
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.IP "\fBtap2file -v test.tap\fR" 4
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reads the file \fItest.tap\fR and writes a one line trace info for each record.
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The stdout output might look like
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.EX
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0, 0 : 80 : 00 00 00 00 50 00 06 07 08 09 0a 0b 0c 0d ...
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0, 1 : 80 : 00 00 01 00 50 00 06 07 08 09 0a 0b 0c 0d ...
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0, 2 : 160 : 00 00 02 00 a0 00 06 07 08 09 0a 0b 0c 0d ...
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0, 3 : 160 : 00 00 03 00 a0 00 06 07 08 09 0a 0b 0c 0d ...
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0, 4 : ---EOF---
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test_00.dat: 4 records, length min= 80, max= 160
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1, 0 : 92 : 01 00 00 00 5c 00 06 07 08 09 0a 0b 0c 0d ...
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1, 1 : 92 : 01 00 01 00 5c 00 06 07 08 09 0a 0b 0c 0d ...
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1, 2 : 92 : 01 00 02 00 5c 00 06 07 08 09 0a 0b 0c 0d ...
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1, 3 : 100 : 01 00 03 00 64 00 06 07 08 09 0a 0b 0c 0d ...
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1, 4 : 100 : 01 00 04 00 64 00 06 07 08 09 0a 0b 0c 0d ...
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1, 5 : 96 : 01 00 05 00 60 00 06 07 08 09 0a 0b 0c 0d ...
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1, 6 : 96 : 01 00 06 00 60 00 06 07 08 09 0a 0b 0c 0d ...
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1, 7 : ---EOF---
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test_01.dat: 7 records, length min= 92, max= 100
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5, 0 : ---EOF---
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6, 0 : ---EOT---
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.EE
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.\" ------------------------------------------------------------------
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.SH "SEE ALSO"
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.BR file2tap (1)
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.\" ------------------------------------------------------------------
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.SH AUTHOR
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Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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