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Full Discussion: Help with A script
Homework and Emergencies Homework & Coursework Questions Help with A script Post 302595140 by balajesuri on Thursday 2nd of February 2012 08:01:14 AM
Old 02-02-2012
Code:
#! /bin/bash

if [ $# -ne 4 ]  # If number of positional parameters are not equal to 4,
then             # Print warn msg and exit.
    echo "Need exactly 4 parameters. Exiting."
    exit
fi

for x in $2 $3 $4
do
    if [ -e $x ] # If target file exists, delete it.
    then         # Even otherwise, cp would overwrite it.
        rm -f $x # Some systems have an alias for cp as "cp -i".
    fi           # So cp would prompt the user if the target file needs can be over-written.
    cp $1 $x     # Same thing is achieved here by deleting and creating a fresh copy.
done

How to use:
Code:
$./test.sh src.txt tgt1.txt tgt2.txt tgt3.txt
$
$ ls -l *.txt
-rw-r--r-- 1 root root 12 Feb  2 12:46 src.txt
-rw-r--r-- 1 root root 12 Feb  2 12:46 tgt1.txt
-rw-r--r-- 1 root root 12 Feb  2 12:46 tgt2.txt
-rw-r--r-- 1 root root 12 Feb  2 12:46 tgt3.txt

 

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rpdump(1)						      General Commands Manual							 rpdump(1)

NAME
rpdump - alpine remote data utility SYNTAX
rpdump [ -f ] -l Local_file -r Remote_folder DESCRIPTION
Rpdump may be used to copy the actual data from remote Alpine configuration files or address books into a local file. It is intended to be used by system administrators. Regular users should normally use the facilities provided within Alpine. Local_file will normally be a local temporary file. Remote_folder is the IMAP folder being used as a remote Alpine configuration (with the help of Alpine's -P, -p, and -x commands or PINECONF, PINERC, and PINERCEX environment variables) or remote Alpine address book folder. A copy of the data from Remote_folder will be copied to Local_file. -f Force the dump even if the remote folder is in an unrecognized format. -l Local_file The file on this system that is to be copied to. -r Remote_folder A remote folder name to be copied from. See the Alpine documentation for the syntax of a remote folder name. One example is {my.imap.server}remote_pinerc. DIAGNOSTICS
Exit status is zero if all goes well, -1 otherwise. SEE ALSO
Rpload(1). Copyright 1989-2007 by the University of Washington. $Date: 2005/01/14 20:40:14 $ rpdump(1)
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