10-03-2011
help me with lab im new to bash....
Write a script that copies the file tree (including subdirectories) in your home directory. As the initial directory to take the directory / usr / share / doc, as the destination directory using the directory $ {HOME} / doc.
Write a script corresponding to paragraph 1. Additional conditions: a) should be copied only the files without the end, that is, not match the pattern *.* to the names of newly created files to add the ending. txt; b) files should be copied only with the ending. html, ending again should be replaced with. HTM
Write a script corresponding to step 2. Additional terms: names of newly created directories must be made in the upper register.
Write a script that prepares a list of files from this directory and its subdirectories. The script receives the following parameters:
mask of files to search for
ownership of files to search for
File access rights
For laboratory work to use external commands
find (man find)
sed (man sed)
tr (man tr)
basename (man basename)
dirname (man dirname)
Interpreter and builtins bash (man bash)
while; do; done
read
if; then; else; fi
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CPMAC(1) BSD General Commands Manual CPMAC(1)
NAME
/usr/bin/CpMac -- copy files preserving metadata and forks
SYNOPSIS
/usr/bin/CpMac [-rp] [-mac] source target
/usr/bin/CpMac [-rp] [-mac] source ... directory
DESCRIPTION
In its first form, the /usr/bin/CpMac utility copies the contents of the file named by the source operand to the destination path named by
the target operand. This form is assumed when the last operand does not name an already existing directory.
In its second form, /usr/bin/CpMac copies each file named by a source operand to a destination directory named by the directory operand. The
destination path for each operand is the pathname produced by the concatenation of the last operand, a slash, and the final pathname compo-
nent of the named file.
The following options are available:
-r If source designates a directory, /usr/bin/CpMac 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 /usr/bin/CpMac to create special files rather than copying
them as normal files. Created directories have the same mode as the corresponding source directory, unmodified by the process' umask.
-p Causes /usr/bin/CpMac to preserve in the copy as many of the modification time, access time, file flags, file mode, user ID, and group
ID as allowed by permissions.
-mac Allows use of HFS-style paths for both source and target. Path elements must be separated by colons, and the path must begin with a
volume name or a colon (to designate current directory).
NOTES
The /usr/bin/CpMac command does not support the same options as the POSIX cp command, and is much less flexible in its operands. It cannot
be used as a direct substitute for cp in scripts.
As of Mac OS X 10.4, the cp command preserves metadata and resource forks of files on Extended HFS volumes, so it can be used in place of
CpMac. The /usr/bin/CpMac command will be deprecated in future versions of Mac OS X.
SEE ALSO
cp(1) MvMac(1)
Mac OS X April 12, 2004 Mac OS X