Can under stand the script


 
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Old 05-13-2005
Can under stand the script

Hi all,
I am working on following script which is already working and i am trying to understand but could not can any body help me in follwoing script.
I understand that it deletes record from tables. using DB2 import from /dev/null. I dont know where in second portion it loads the data in to table or table with suffix x.

[ -f /work/copy/files.done ] || exit 0

db2 connect

typeset xtables="
Table1
Table 2

"
for table in $xtables ; do

import from /dev/null of del modified by coldel| chardel<
replace into hc.$table ;

done

db2 terminate

typeset tables="
Table1x
Table2x"

for table in $tables ; do

/database/copy/autoload.ksh databaseNODE01 ownername.$table ; rc=$?

/tmp/copy_load.$$ && rm -f /tmp/copy_load.$$

$rc is error
done

thanks
sam71
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script(1)						      General Commands Manual							 script(1)

NAME
script - Makes a transcript of terminal session SYNOPSIS
script [-a] [file] The script command makes a transcript of everything printed on your terminal. OPTIONS
Appends the transcript to file rather than writing it to file. OPERANDS
The name of an output file that will contain the transcript of the session. If this parameter is omitted, the file typescript is written. DESCRIPTION
The transcript is written to file, or appended to file if the -a option is given. If no file name is given, the transcript is saved in the file typescript. The script ends when the forked shell exits. This program is useful when you are using a CRT and want a hard-copy record of the dialog (for example, a technical writer might create an example of a working session this way). If you specify the -a option and the file does not exist, it is created. If you do not specify the -a option and the file exists, it is replaced. RESTRICTIONS
The script command requires a streams based terminal. In single user mode, streams may not be enabled. Under these circumstances, script will exit with no action. If you are the superuser and need to run this command in single user mode, use the following special instruc- tions. Enabling Streams If it is necessary to enable a streams environment in the single user mode, enter the command /sbin/init.d/streams. This command is avail- able to the superuser only. SEE ALSO
Commands: autopush(8), cat(1), echo(1), strsetup(8), tee(1) System Administration script(1)