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86337db335
- Changed source slightly to compile under djgpp (MS-DOS) and Linux, linted source. - Unix makefile changed by Devin Reade to automatically detect OS type. - Apple IIgs source now opens files with "r+b" instead of "rwb"
101 lines
2.8 KiB
Groff
101 lines
2.8 KiB
Groff
.\" Copyright (c) 1993-1996 Soenke Behrens, Devin Reade
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.\"
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.\" $Id: udl.1,v 1.11 1997/08/02 21:09:13 gdr Exp $
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.\"
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.TH UDL 1 "Commands and Applications" "31 January 1996" "Version 1.1.5"
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.SH NAME
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udl - convert text files between different architectures
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.SH SYNOPSIS
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.BR udl
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.BR -u | m | g
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[
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.B -RvpVh
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]
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.I file1
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[
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.IR file2 " ..."
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]
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.SH DESCRIPTION
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.B udl
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converts files between different computer systems by changing the EOL
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(End-Of-Line) character.
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.PP
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On the Apple IIgs,
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.B udl
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will skip any file that is not of type TXT or SRC.
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No notice is given of this unless the
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.B -v
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flag is used.
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Since Unix file systems do not have file types
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.BR udl
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is limited in the types of checks which it can carry out,
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so the user must take care that
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it is not invoked on object files or the like. On both platforms, if
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.I file
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appears to be a binary file (that is, no EOL is
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found in the first part of the file) then
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.I file
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will be skipped.
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Again, no notice is given of this unless the
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.B -v
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flag is used.
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.PP
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During file conversion
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.B udl
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creates a temporary file in the same directory as the original file.
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The temporary file is close to or exactly the same size as the original
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file.
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.PP
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When running under Byteworks' ORCA shell, the Orca shell wildcards
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.BR =
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and
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.BR ?
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are properly expanded in file names.
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.SH OPTIONS
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.IP \fB\-u\fP
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Convert to use LF as EOL (Unix/Amiga).
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.IP \fB\-m\fP
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Convert to use CR/LF as EOL (MS-DOS).
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.IP \fB\-g\fP
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Convert to use CR as EOL (Apple).
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.IP \fB\-p\fP
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Be pedantic, only affects Unix<->Apple conversions, see below.
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.IP \fB\-R\fP
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Recurse through subdirectories.
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.IP \fB\-v\fP
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Be verbose, show the file udl is currently working on.
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.IP \fB\-V\fP
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Print out udl's version number and abort.
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.IP \fB\-h\fP
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Print out usage information for udl.
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.PP
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If you specify the
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.B -p
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switch,
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.B udl
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is pedantic while doing the conversion. This means: The input file may
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contain bytes with a value of zero (0), and the input file may contain
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different EOL characters (ie: MS-DOS and Unix style might be mixed in
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one file). For conversions to or from MS-DOS
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.B udl
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is always pedantic, so this only affects conversions from Unix to Apple
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or vice versa. Being pedantic slows udl down by a factor of 1.5.
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.SH LIMITATIONS
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When running under GNO on the Apple IIgs, there is a limit to the nesting
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depth when recusing on subdirectories. This is because the routine that
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is responsible for this behavior is itself recursive. The default 2k
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stack size will allow about 33 levels of nested directories, so this limit
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should not normally be a problem. If the limit is exceeded,
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.BR udl
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will exit with an error message before any files are changed, and before
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the stack actually overflows.
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.SH BUGS
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Bug reports should be directed to one of the two addresses below.
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.SH AUTHOR
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Soenke Behrens <sbehrens@contech.demon.co.uk> with contributions by
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Devin Reade <gdr@myrias.ab.ca>.
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.SH VERSION
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This is
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.B udl
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version 1.1.5.
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