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Full Discussion: Backup with shell program and cron job.
Top Forums Shell Programming and Scripting Backup with shell program and cron job. Post 48593 by jarkvarma on Thursday 11th of March 2004 02:48:46 AM
Old 03-11-2004
Backup with shell program and cron job.
Hi,

The object of my program is to take automatic backup on daily basis to different folders. I have created the respective folders. when I execute below given shell program manually it is working perfectly and taking the backup to respective folder.

#!/bin/sh
#script to take backup on day basis, This is going to run from cron job.
#
while :
do
clear
yourch=`date +%u`
case $yourch in
1) exp backuser/backuser@linux1 file=/disk4/backup/Mon/linux1_Mon.dmp log=/disk4
/backup/Mon/linux1_Mon.log full=y direct=Y compress=N rows=N; exit 0;;
2) exp backuser/backuser@linux1 file=/disk4/backup/Tue/linux1_Tue.dmp log=/disk4
/backup/Tue/linux1_Tue.log full=y direct=Y compress=N rows=N; exit 0;;
3) exp backuser/backuser@linux1 file=/disk4/backup/Wed/linux1_Wed.dmp log=/disk4
/backup/Wed/linux1_Wed.log full=y direct=Y compress=N;rows=Y exit 0;;
4) exp backuser/backuser@linux1 file=/disk4/backup/Thu/linux1_Thu.dmp log=/disk4
/backup/Thu/linux1_Thu.log full=y direct=Y compress=N rows=N; exit 0;;
5) exp backuser/backuser@linux1 file=/disk4/backup/Fri/linux1_Fri.dmp log=/disk4
/backup/Fri/linux1_Fri.log full=y direct=Y compress=N rows=N; exit 0;;
6) exp backuser/backuser@linux1 file=/disk4/backup/Sat/linux1_Sat.dmp log=/disk4
/backup/Sat/linux1_Sat.log full=y direct=Y compress=N rows=Y; exit 0;;
esac
done

When the same program kept in cron, it is not working.
IF I EXECUTE NORMAL COMMAND IN THE CRON WITH OUT SHELL THEY ARE WORKING WHEN I KEEP ANY SHELL PROGRAMS, THEY ARE NOT WORKING.

0 23 * * * /home/oracle/backup/backup.sh
> /home/oracle/backup/backup.log

The backup.log file is creating with 0 bytes.

Please help me in solving this problem.

With Regards
Varma.
 

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LEARN ABOUT MOJAVE

platform::shell

platform::shell(n)					       Tcl Bundled Packages						platform::shell(n)

__________________________________________________________________________________________________________________________________________________

NAME

       platform::shell - System identification support code and utilities

SYNOPSIS

       package require platform::shell ?1.1.4?

       platform::shell::generic shell
       platform::shell::identify shell
       platform::shell::platform shell
_________________________________________________________________

DESCRIPTION

       The platform::shell package provides several utility commands useful for the identification of the architecture of a specific Tcl shell.

       This  package  allows the identification of the architecture of a specific Tcl shell different from the shell running the package. The only
       requirement is that the other shell (identified by its path), is actually executable on the current machine.

       While for most platform this means that the architecture of the interrogated shell is identical to the architecture of  the  running  shell
       this  is  not generally true. A counter example are all platforms which have 32 and 64 bit variants and where a 64bit system is able to run
       32bit code. For these running and interrogated shell may have different 32/64 bit settings and thus different identifiers.

       For applications like a code repository it is important to identify the architecture of the shell which will  actually  run  the  installed
       packages, versus the architecture of the shell running the repository software.

COMMANDS

       platform::shell::identify shell
	      This command does the same identification as platform::identify, for the specified Tcl shell, in contrast to the running shell.

       platform::shell::generic shell
	      This command does the same identification as platform::generic, for the specified Tcl shell, in contrast to the running shell.

       platform::shell::platform shell
	      This command returns the contents of tcl_platform(platform) for the specified Tcl shell.

KEYWORDS

       operating system, cpu architecture, platform, architecture

platform::shell 						       1.1.4							platform::shell(n)
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