05-20-2009
please help me... im a newbie
please help me with my assignment. i have no background with unix programming. so please do help me.
here is the problem
Develop a utility that will enhance the current file management and
organization functions of Linux.
You may use existing file management commands to create the utility.
Look for options that were not explored by the command yet, then
enhance the command by reinventing its name and adding this option
to its current options.
You may combine related commands into one script also.
Example:
duplicatefile (-c/-m) filename
where:
duplicatefile is the utility name
(-c/m) are options that will do the following:
-c for copying filename
-m for moving filename
filename is the operand of the command
Store executable script in the directory, "casestudies", from
your home directory. ( if directory does not exist, create it.)
Furthermore, provide a description of the utility you developed.
Store this description in the file named, "utilitydesc", in the same
directory.
The "utilitydesc" file must contain substantial discussions to the
following questions:
1. What does the utility do?
- function of the utility
2. Who will benefit from the utility?
- e.g administrator, user
- provide brief description of benefit derived
3. How does it work?
- identify syntax
- provide sequence of steps to execute it
including valid input/output definitions
4. What linux file or process utilities or commands did
you use to construct script?
thanks
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LEARN ABOUT OPENDARWIN
mv
MV(1) BSD General Commands Manual MV(1)
NAME
mv -- move files
SYNOPSIS
mv [-f | -i | -n] [-v] source target
mv [-f | -i | -n] [-v] source ... directory
DESCRIPTION
In its first form, the mv utility renames 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, mv moves each file named by a source operand to a destination file in the existing directory named by the directory oper-
and. The destination path for each operand is the pathname produced by the concatenation of the last operand, a slash, and the final path-
name component of the named file.
The following options are available:
-f Do not prompt for confirmation before overwriting the destination path. (The -f option overrides any previous -i or -n options.)
-i Cause mv to write a prompt to standard error before moving a file that would overwrite an existing file. If the response from the
standard input begins with the character 'y' or 'Y', the move is attempted. (The -i option overrides any previous -f or -n options.)
-n Do not overwrite an existing file. (The -n option overrides any previous -f or -i options.)
-v Cause mv to be verbose, showing files after they are moved.
It is an error for either the source operand or the destination path to specify a directory unless both do.
If the destination path does not have a mode which permits writing, mv prompts the user for confirmation as specified for the -i option.
As the rename(2) call does not work across file systems, mv uses cp(1) and rm(1) to accomplish the move. The effect is equivalent to:
rm -f destination_path &&
cp -pRP source_file destination &&
rm -rf source_file
DIAGNOSTICS
The mv utility exits 0 on success, and >0 if an error occurs.
SEE ALSO
cp(1), rm(1), symlink(7)
COMPATIBILITY
The -n and -v options are non-standard and their use in scripts is not recommended.
STANDARDS
The mv utility is expected to be IEEE Std 1003.2 (``POSIX.2'') compatible.
HISTORY
A mv command appeared in Version 1 AT&T UNIX.
BSD
July 9, 2002 BSD