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.\" First parameter, NAME, should be all caps |
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.\" other parameters are allowed: see man(7), man(1) |
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.TH GCP 1 "June 04, 2011" |
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.TH GCP 1 "October 14, 2018" |
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.\" Please adjust this date whenever revising the manpage. |
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.\" |
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.\" respectively. |
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.SH NAME |
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gcp \- Advanced command-line file copier |
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.SH SYNOPSIS |
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.RI [ FILE2 ... ] |
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.I DEST-DIR |
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.SH DESCRIPTION |
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This manual page documents briefly the |
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.B gcp |
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command. |
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.PP |
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.\" TeX users may be more comfortable with the \fB<whatever>\fP and |
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.\" \fI<whatever>\fP escape sequences to invode bold face and italics, |
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.\" respectively. |
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\fBgcp\fP is a file copier, loosely inspired by cp, but with high level functionalities like: |
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\- transfer progression indication |
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\- continuous copying when there is an issue: it skips the problematic file and goes on |
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\- copy status logging: which files were effectively copied |
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\- name mangling to handle target filesystem limitations (e.g. removing incompatible chars like "?" or "*" on vfat) |
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\- forced copy serialization: new files to copy are added to a global queue to avoid hard drive head seeks |
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\- transfer list management: gcp can save a list of files to copy and reuse it later |
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\- approximate option compatibility with cp (approximate because the behaviour is not exactly the same, see below) |
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\fBgcp\fP is a file copier, loosely inspired by cp, but with high level |
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functionalities like: |
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.IP \(bu 2 |
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transfer progression indication |
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.IP \(bu |
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continuous copying when there is an issue: it skips the problematic file and |
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goes on |
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.IP \(bu |
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copy status logging: which files were effectively copied |
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.IP \(bu |
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name mangling to handle target filesystem limitations (e.g. removing |
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incompatible chars like "?" or "*" on FAT filesystems) |
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.IP \(bu |
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forced copy serialization: new files to copy are added to a global queue to |
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avoid hard drive head seeks |
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.IP \(bu |
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transfer list management: gcp can save a list of files to copy and reuse it |
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later |
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.IP \(bu |
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approximate option compatibility with cp (approximate because the behaviour is |
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not exactly the same, see below) |
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.SH OPTIONS |
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These programs follow the usual GNU command line syntax, with long |
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options starting with two dashes (`-'). |
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By default, calling gcp is equivalent to calling gcp \-\-preserve=mode,ownership,timestamps. |
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.PP |
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A summary of options is included below. |
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.SS "General options" |
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.TP |
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.B \-\-version |
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Show version of program and exit. |
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.SS General options |
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.TP |
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.B \-h, \-\-help |
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Show summary of options. |
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.TP |
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.B \-r, \-R, \-\-recursive |
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Copy directories recursively. |
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.B \-V, \-\-version |
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Show program version and copyright information and exit. |
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.SS cp-like options |
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.TP |
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.B \-f, \-\-force |
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Overwrite existing files. |
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.TP |
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.B \-L, \-\-dereference |
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always follow symbolic links in sources |
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Always follow symbolic links in sources. |
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.TP |
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.B \-P, \-\-no\-dereference |
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never follow symbolic links in sources |
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.TP |
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.B \-f, \-\-force |
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Overwrite existing files. |
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Never follow symbolic links in sources. |
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.TP |
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.B \-p |
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Same as \-\-preserve=mode,ownership,timestamps |
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Same as \fB\-\-preserve=mode,ownership,timestamps\fP |
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.TP |
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.B \-\-preserve=PRESERVE |
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Keep specified attributes. Attributes can be mode, ownership and timestamps. |
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When several attributes are passed, they need to be separated by commas. Note |
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that timestamps preservation has some limits, see section LIMITATIONS. |
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.B \-\-preserve=<\fIattributes\fP> |
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Preserve specified attributes. Attributes can be \fImode\fP, \fIownership\fP |
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and \fItimestamps\fP. |
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When several attributes are passed, they need to be separated by commas. |
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Please note that timestamps preservation has some limits, see section |
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\fILIMITATIONS\fP. |
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.TP |
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.B \-\-no\-fs\-fix |
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Don't fix file system naming incompatibilities. |
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.TP |
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.B \-\-no\-progress |
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Disable progress bar. |
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.B \-r, \-R, \-\-recursive |
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Copy directories recursively. |
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.TP |
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.B \-v, \-\-verbose |
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Display what is being done. |
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.SS "Sources saving" |
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.SS gcp-specific options |
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.TP |
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.B \-\-fix\-filenames=<\fIforce\fP|\fIauto\fP|\fIno\fP> |
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gcp has the ability to modify the destination file name if the target file |
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system would not accept the original file name. |
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Offending characters will be replaced with similar-looking ones. |
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.IP |
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This option accept the following values: |
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.RS |
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.TP |
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\fIauto\fP (default) |
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gcp will attempt to be smart, i.e. detect incompatibilities and fix them as-needed. |
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.TP |
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\fIforce\fP |
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Always fix file names that could cause problems on any known filesystem or OS. |
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This is useful e.g. with NTFS, see \fINOTE ON NTFS\fP below. |
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.TP |
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\fIno\fP |
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Renaming is disabled entirely. |
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.RE |
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.IP |
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Currently, gcp is only aware of FAT incompatibilities: |
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\'\\\', \':\', \'*\', \'?\', \'"\', \'<\', \'>\' and \'|\'. |
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.TP |
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.B \-\-no\-fs\-fix (DEPRECATED) |
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Same as \fB\-\-fix\-filenames=no\fP. |
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This option will be removed in a future release. |
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.TP |
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.B \-\-no\-progress |
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Disable progress bar. |
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.SS Sources saving |
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.TP |
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.B \-\-sources\-save=SOURCES_SAVE |
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Save the list of source files in a list named SOURCES_SAVE. |
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.B \-\-sources\-save=\fISOURCES\fP |
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Save the list of source files in a list named \fISOURCES\fP. |
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.TP |
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.B \-\-sources\-replace=SOURCES_REPLACE |
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Save the list of source files in a list named SOURCES_REPLACE and |
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replace it if it already exists. |
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.B \-\-sources\-replace=\fISOURCES\fP |
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Save the list of source files in a list named \fISOURCES\fP; |
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the file is overwritten it already exists. |
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.TP |
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.B \-\-sources\-load=SOURCES_LOAD |
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Reuse the list of source file named SOURCES_LOAD. |
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.B \-\-sources\-load=\fISOURCES\fP |
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Use the list of source files named \fISOURCES\fP. |
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.TP |
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.B \-\-sources\-del=SOURCES_DEL |
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Delete the list of source files named SOURCES_DEL. |
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.B \-\-sources\-del=\fISOURCES\fP |
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Delete the list of source files named \fISOURCES\fP. |
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.TP |
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.B \-\-sources\-list |
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List the names of source file lists. |
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@ -108,21 +143,33 @@ List the names of source file lists, including their content. |
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.SH EXIT STATUS |
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The exit status can be: |
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.IP \[bu] 2 |
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\fB0\fP if files have been copied correctly or if another instance of gcp is already running and will do the copy. |
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\fB0\fP if files have been copied correctly or if another instance of gcp is |
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already running and will do the copy. |
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.IP \[bu] |
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\fB1\fP if at least one file has not been copied, or if something went wrong. |
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.IP \[bu] |
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\fB2\fP if all files have been copied but with some issues |
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.SH LIMITATIONS |
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Timestamps preservation with \-\-preserve option is limited by the os python |
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module on POSIX systems. Currently, python only returns timestamps in float |
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format, which is a smaller precision than what POSIX provides. Progress on this |
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issue can be seen at http://bugs.python.org/issue11457. |
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Timestamps preservation with \fB\-\-preserve\fP option is limited by the |
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\fIos\fP Python module on POSIX systems. Currently, Python only returns |
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timestamps in float format, which is a smaller precision than what POSIX |
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provides. Progress on this issue can be seen at |
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http://bugs.python.org/issue11457. |
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.PP |
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The \fB\-\-preserve\fP option cannot currently be used without an attribute |
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list (\fBgcp \-\-preserve foo bar\fP will behave as \fBgcp \-\-preserve=foo |
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bar\fP). Use the \fB\-p\fP switch instead. |
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.SH NOTE ON NTFS |
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NTFS will not enforce the same file name limitations than FAT, but files that |
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would not be accepted on a FAT filesystem will still cause problems on Windows. |
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Hence, it is recommended to use \-\-fix-filenames=force when copying to NTFS |
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(when Windows compatibility is desired, anyway). |
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.SH SEE ALSO |
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.BR cp (1). |
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.br |
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.SH AUTHOR |
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gcp was written by Jérôme Poisson <goffi@goffi.org>. |
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It is currently maintained by Matteo Cypriani <mcy@lm7.fr>. |
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.PP |
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This manual page was written by Thomas Preud'homme <robotux@celest.fr>, |
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for the Debian project (and may be used by others). |
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This manual page was initially written by Thomas Preud'homme |
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<robotux@celest.fr> for the Debian project (and may be used by others). |
