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Full Discussion: C Shell script
Top Forums Shell Programming and Scripting C Shell script Post 81383 by RTM on Friday 19th of August 2005 01:48:01 AM
Old 08-19-2005
Quote:
1. Send out mail when the script is initiated
2. Create a cron job
3. Copy from one directory to another
4. Check the file size for each file in order to make sure that there is room.
5. Perform a checksum after each file is copied
6. Generate a a pass/fail log for the files as it copies
7. Send out the pass/fail log as mail at completion of copying

If you have any suggestions, tips, anything, I would greatly appreciate it, specifically regarding the checksum parameter.
First off, everyone will say "Don't use csh!"

To send mail -
mailx -s"MYSCRIPT starting" myaccount@yourdomain.com < /dev/null
although I see no reason to send mail just because your script started...but that's up to you.

To perform a checksum on a file use the sum command - see the man page for sum to see what it does.

Post what you have so far so assistance can be given.
 

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LEARN ABOUT OPENSOLARIS

sum

sum(1B) 					     SunOS/BSD Compatibility Package Commands						   sum(1B)

NAME

       sum - calculate a checksum for a file

SYNOPSIS

       /usr/ucb/sum file...

DESCRIPTION

       sum  calculates	and  displays a 16-bit checksum for the named file and displays the size of the file in kilobytes. It is typically used to
       look for bad spots, or to validate a file communicated over some transmission line. The checksum is calculated by an  algorithm	which  may
       yield different results on machines with 16-bit ints and machines with 32-bit ints, so it cannot always be used to validate that a file has
       been transferred between machines with different-sized ints.

USAGE

       See largefile(5) for the description of the behavior of sum when encountering files greater than or equal to 2 Gbyte ( 2^31 bytes).

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWscpu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       sum(1), wc(1), attributes(5), largefile(5)

DIAGNOSTICS

       Read error is indistinguishable from EOF on most devices; check the block count.

NOTES

       sum and /usr/bin/sum (see sum(1)) return different checksums.

       This utility is obsolete.

SunOS 5.11							    8 Nov 1995								   sum(1B)
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