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Full Discussion: Will this work?
Top Forums Shell Programming and Scripting Will this work? Post 38376 by oombera on Tuesday 15th of July 2003 09:55:33 AM
Old 07-15-2003
I would use a loop like the following, but it's just one possible way I suppose...
Code:
echo "Changing to $copycomp/data/"
cd $copycomp/data

for FILE in `ls $copycomp/data/exsyctr1.*`
do
  if [ -f $FILE ]; then
    echo "Backing up existing files"
    cp $FILE ${FILE%.*}.bak
  fi
done

echo "Copying from $livecomp/data/ to $copycomp/data/"
cp $livecomp/data/exsyctr1.* .

If you're not using KSH, then replace "cp $FILE ${FILE%.*}.bak" with "cp $FILE `echo $FILE | sed 's/\([^.]*\).*/\1/'`.bak"

If you're serious about finding out different ways to do things, read this post. Maybe you'll like one way more than another.
 

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INSTALL(1)							   User Commands							INSTALL(1)

NAME
install - copy files and set attributes SYNOPSIS
install [OPTION]... [-T] SOURCE DEST install [OPTION]... SOURCE... DIRECTORY install [OPTION]... -t DIRECTORY SOURCE... install [OPTION]... -d DIRECTORY... DESCRIPTION
In the first three forms, copy SOURCE to DEST or multiple SOURCE(s) to the existing DIRECTORY, while setting permission modes and owner/group. In the 4th form, create all components of the given DIRECTORY(ies). Mandatory arguments to long options are mandatory for short options too. --backup[=CONTROL] make a backup of each existing destination file -b like --backup but does not accept an argument -c (ignored) -d, --directory treat all arguments as directory names; create all components of the specified directories -D create all leading components of DEST except the last, then copy SOURCE to DEST -g, --group=GROUP set group ownership, instead of process' current group -m, --mode=MODE set permission mode (as in chmod), instead of rwxr-xr-x -o, --owner=OWNER set ownership (super-user only) -p, --preserve-timestamps apply access/modification times of SOURCE files to corresponding destination files -s, --strip strip symbol tables -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 -v, --verbose print the name of each directory as it is created --help display this help and exit --version output version information and exit 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 backups existing, nil numbered if numbered backups exist, simple otherwise simple, never always make simple backups AUTHOR
Written by David MacKenzie. REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>. COPYRIGHT
Copyright (C) 2006 Free Software Foundation, Inc. This is free software. You may redistribute copies of it under the terms of the GNU General Public License <http://www.gnu.org/licenses/gpl.html>. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
The full documentation for install is maintained as a Texinfo manual. If the info and install programs are properly installed at your site, the command info install should give you access to the complete manual. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+--------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+--------------------+ |Availability | SUNWgnu-coreutils | +--------------------+--------------------+ |Interface Stability | Uncommitted | +--------------------+--------------------+ NOTES
Source for GNU coreutils is available on http://opensolaris.org. install 6.7 December 2006 INSTALL(1)
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