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[bug-obsolete-packages] cp -P option


From: Phelippe Neveu
Subject: [bug-obsolete-packages] cp -P option
Date: Thu, 26 Jul 2007 11:10:11 -0400

Hi,

I just want to report that the '-P' option on Linux and Windows is not set to do the same thing.

# cp --version
cp (GNU coreutils) 5.3.0
Written by Torbjorn Granlund, David MacKenzie, and Jim Meyering.

Copyright (C) 2005 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

On Linux the '-P' option has the following help:

  -P                           same as `--no-dereference'

On Windows the '-P' option has the following help:

-P, --parents                append source path to DIRECTORY



I think that the options should be consistent from a platform to another.



Here is the full output of 'cp --help' on Linux:

# cp --help
Usage: cp [OPTION]... [-T] SOURCE DEST
  or:  cp [OPTION]... SOURCE... DIRECTORY
  or:  cp [OPTION]... -t DIRECTORY SOURCE...
Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.

Mandatory arguments to long options are mandatory for short options too.
  -a, --archive                same as -dpR
      --backup[=CONTROL]       make a backup of each existing destination file
  -b                           like --backup but does not accept an argument
      --copy-contents          copy contents of special files when recursive
  -d                           same as --no-dereference --preserve=link
      --no-dereference         never follow symbolic links
  -f, --force                  if an existing destination file cannot be
                                 opened, remove it and try again
  -i, --interactive            prompt before overwrite
  -H                           follow command-line symbolic links
  -l, --link                   link files instead of copying
  -L, --dereference            always follow symbolic links
  -p                           same as --preserve=mode,ownership,timestamps
      --preserve[=ATTR_LIST]   preserve the specified attributes (default:
                                 mode,ownership,timestamps), if possible
                                 additional attributes: links, all
  -c                           same as --preserve=context
      --no-preserve=ATTR_LIST  don't preserve the specified attributes
      --parents                append source path to DIRECTORY
  -P                           same as `--no-dereference'
  -R, -r, --recursive          copy directories recursively
      --remove-destination     remove each existing destination file before
                                 attempting to open it (contrast with --force)
      --reply={yes,no,query}   specify how to handle the prompt about an
                                 existing destination file
      --sparse=WHEN            control creation of sparse files
      --strip-trailing-slashes remove any trailing slashes from each SOURCE
                                 argument
  -s, --symbolic-link          make symbolic links instead of copying
  -S, --suffix=SUFFIX          override the usual backup suffix
  -t, --target-directory=DIRECTORY  copy all SOURCE arguments into DIRECTORY
  -T, --no-target-directory    treat DEST as a normal file
  -u, --update                 copy only when the SOURCE file is newer
                                 than the destination file or when the
                                 destination file is missing
  -v, --verbose                explain what is being done
  -x, --one-file-system        stay on this file system
  -Z, --context=CONTEXT        set security context of copy to CONTEXT

      --attributes=regex       preserve extended attributes whose name
                               matches the specified regular _expression_
                               (defaults to preserving all extended
                                attributes except file permissions;
                                regex=`-' preserves no extended attributes).
      --help     display this help and exit
      --version  output version information and exit

By default, sparse SOURCE files are detected by a crude heuristic and the
corresponding DEST file is made sparse as well.  That is the behavior
selected by --sparse=auto.  Specify --sparse=always to create a sparse DEST
file whenever the SOURCE file contains a long enough sequence of zero bytes.
Use --sparse=never to inhibit creation of sparse files.

The backup suffix is `~', unless set with --suffix or SIMPLE_BACKUP_SUFFIX.
The version control method may be selected via the --backup option or through
the VERSION_CONTROL environment variable.  Here are the values:

  none, off       never make backups (even if --backup is given)
  numbered, t     make numbered backups
  existing, nil   numbered if numbered backups exist, simple otherwise
  simple, never   always make simple backups

As a special case, cp makes a backup of SOURCE when the force and backup
options are given and SOURCE and DEST are the same name for an existing,
regular file.

Report bugs to <address@hidden>.



Here is the full output of 'cp --help' on Windows:

>cp --help

Usage: cp [OPTION]... SOURCE DEST
  or:  cp [OPTION]... SOURCE... DIRECTORY
Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.
 
  -a, --archive                same as -dpR
  -b, --backup                 make backup before removal
  -d, --no-dereference         preserve links
  -f, --force                  remove existing destinations, never prompt
  -i, --interactive            prompt before overwrite
  -l, --link                   link files instead of copying
  -p, --preserve               preserve file attributes if possible
  -P, --parents                append source path to DIRECTORY
  -r                           copy recursively, non-directories as files
      --sparse=WHEN            control creation of sparse files
  -R, --recursive              copy directories recursively
  -s, --symbolic-link          make symbolic links instead of copying
  -S, --suffix=SUFFIX          override the usual backup suffix
  -u, --update                 copy only when the SOURCE file is newer
                                 than the destination file or when the
                                 destination file is missing
  -v, --verbose                explain what is being done
  -V, --version-control=WORD   override the usual version control
  -x, --one-file-system        stay on this file system
      --help                   display this help and exit
      --version                output version information and exit
 
By default, sparse SOURCE files are detected by a crude heuristic and the
corresponding DEST file is made sparse as well.  That is the behavior
selected by --sparse=auto.  Specify --sparse=always to create a sparse DEST
file whenever the SOURCE file contains a long enough sequence of zero bytes.
Use --sparse=never to inhibit creation of sparse files.

The backup suffix is ~, unless set with SIMPLE_BACKUP_SUFFIX.  The
version control may be set with VERSION_CONTROL, values are:
 
  t, numbered     make numbered backups
  nil, existing   numbered if numbered backups exist, simple otherwise
  never, simple   always make simple backups
 
As a special case, cp makes a backup of SOURCE when the force and backup
options are given and SOURCE and DEST are the same name for an existing,
regular file.
 
Report bugs to address@hidden



Regards,

Phelippe Neveu


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