如圖，復制文件夾的時候報錯

原因：被拷貝文件夾里還有文件夾

解決方法，加-r遞歸拷貝

cp demo/ workspace/ -r

幫助文檔

root@2512db9ef25a:/heop/workspace/demo/base# cp --h Usage: cp [OPTION]... [-T] SOURCE DESTor: cp [OPTION]... SOURCE... DIRECTORYor: 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 -dR --preserve=all--attributes-only don't copy the file data, just the attributes--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=links-f, --force if an existing destination file cannot beopened, remove it and try again (this optionis ignored when the -n option is also used)-i, --interactive prompt before overwrite (overrides a previous -noption)-H follow command-line symbolic links in SOURCE-l, --link hard link files instead of copying-L, --dereference always follow symbolic links in SOURCE-n, --no-clobber do not overwrite an existing file (overridesa previous -i option)-P, --no-dereference never follow symbolic links in SOURCE-p same as --preserve=mode,ownership,timestamps--preserve[=ATTR_LIST] preserve the specified attributes (default:mode,ownership,timestamps), if possibleadditional attributes: context, links, xattr,all--no-preserve=ATTR_LIST don't preserve the specified attributes--parents use full source file name under DIRECTORY-R, -r, --recursive copy directories recursively--reflink[=WHEN] control clone/CoW copies. See below--remove-destination remove each existing destination file beforeattempting to open it (contrast with --force)--sparse=WHEN control creation of sparse files. See below--strip-trailing-slashes remove any trailing slashes from each SOURCEargument-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 newerthan the destination file or when thedestination file is missing-v, --verbose explain what is being done-x, --one-file-system stay on this file system-Z set SELinux security context of destinationfile to default type--context[=CTX] like -Z, or if CTX is specified then set theSELinux or SMACK security context to CTX--help display this help and exit--version output version information and exitBy 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.When --reflink[=always] is specified, perform a lightweight copy, where the data blocks are copied only when modified. If this is not possible the copy fails, or if --reflink=auto is specified, fall back to a standard copy.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 backupsexisting, nil numbered if numbered backups exist, simple otherwisesimple, never always make simple backupsAs 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.GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report cp translation bugs to <http://translationproject.org/team/> Full documentation at: <http://www.gnu.org/software/coreutils/cp> or available locally via: info '(coreutils) cp invocation' root@2512db9ef25a:/heop/workspace/demo/base#

參考文章：Linux中使用cp命令報cp:omitting directory錯誤

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