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CP(1) BSD General Commands Manual CP(1) NAME cp -- copy files SYNOPSIS cp [-R [-H | -L | -P]] [-f | -i | -n] [-pv] source_file target_file cp [-R [-H | -L | -P]] [-f | -i | -n] [-pv] source_file ... target_directory DESCRIPTION In the first synopsis form, the cp utility copies the contents of the source_file to the target_file. In the second synopsis form, the con- tents of each named source_file is copied to the destination target_directory. The names of the files themselves are not changed. If cp detects an attempt to copy a file to itself, the copy will fail. The following options are available: -H If the -R option is specified, symbolic links on the command line are followed. (Symbolic links encountered in the tree traversal are not followed.) -L If the -R option is specified, all symbolic links are followed. -P If the -R option is specified, no symbolic links are followed. This is the default. -R If source_file designates a directory, cp copies the directory and the entire subtree connected at that point. This option also causes symbolic links to be copied, rather than indirected through, and for cp to create special files rather than copying them as nor- mal files. Created directories have the same mode as the corre- sponding source directory, unmodified by the process' umask. Note that cp copies hard linked files as separate files. If you need to preserve hard links, consider using tar(1), cpio(1), or pax(1) instead. -f For each existing destination pathname, remove it and create a new file, without prompting for confirmation regardless of its permis- sions. (The -f option overrides any previous -i or -n options.) -i Cause cp to write a prompt to the standard error output before copying a file that would overwrite an existing file. If the re- sponse from the standard input begins with the character `y' or `Y', the file copy is attempted. (The -i option overrides any pre- vious -f or -n options.) -n Do not overwrite an existing file. (The -n option overrides any previous -f or -i options.) -p Cause cp to preserve in the copy as many of the modification time, access time, file flags, file mode, user ID, and group ID as al- lowed by permissions. If the user ID and group ID cannot be preserved, no error message is displayed and the exit value is not altered. If the source file has its set user ID bit on and the user ID can- not be preserved, the set user ID bit is not preserved in the copy's permissions. If the source file has its set group ID bit on and the group ID cannot be preserved, the set group ID bit is not preserved in the copy's permissions. If the source file has both its set user ID and set group ID bits on, and either the user ID or group ID cannot be preserved, neither the set user ID nor set group ID bits are preserved in the copy's permissions. -v Cause cp to be verbose, showing files as they are copied. For each destination file that already exists, its contents are overwrit- ten if permissions allow. Its mode, user ID, and group ID are unchanged unless the -p option was specified. In the second synopsis form, target_directory must exist unless there is only one named source_file which is a directory and the -R flag is speci- fied. If the destination file does not exist, the mode of the source file is used as modified by the file mode creation mask (umask, see csh(1)). If the source file has its set user ID bit on, that bit is removed unless both the source file and the destination file are owned by the same user. If the source file has its set group ID bit on, that bit is removed un- less both the source file and the destination file are in the same group and the user is a member of that group. If both the set user ID and set group ID bits are set, all of the above conditions must be fulfilled or both bits are removed. Appropriate permissions are required for file creation or overwriting. Symbolic links are always followed unless the -R flag is set, in which case symbolic links are not followed, by default. The -H or -L flags (in conjunction with the -R flag) cause symbolic links to be followed as de- scribed above. The -H, -L and -P options are ignored unless the -R op- tion is specified. In addition, these options override each other and the command's actions are determined by the last one specified. DIAGNOSTICS The cp utility exits 0 on success, and >0 if an error occurs. COMPATIBILITY Historic versions of the cp utility had a -r option. This implementation supports that option, however, its use is strongly discouraged, as it does not correctly copy special files, symbolic links or fifo's. The -v and -n options are non-standard and their use in scripts is not recommended. SEE ALSO mv(1), rcp(1), umask(2), fts(3), symlink(7) STANDARDS The cp command is expected to be IEEE Std 1003.2 ("POSIX.2") compatible. HISTORY A cp command appeared in Version 1 AT&T UNIX. BSD August 10, 2002 BSD
NAME | SYNOPSIS | DESCRIPTION | DIAGNOSTICS | COMPATIBILITY | SEE ALSO | STANDARDS | HISTORY
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