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Top Forums Shell Programming and Scripting How redirect script output from inside of script? Post 302208982 by ennstate on Wednesday 25th of June 2008 02:11:57 PM
Old 06-25-2008
Using exec & pipe

Hi,
I managed to get that working using exec & pipes.The following is the script which i hope to work for you as well,

Code:
#!/bin/bash
#Objective : To redirect the stdout & stderr to two different files from within the script and without sacrificing the scripts output

mkfifo /tmp/out.pipe /tmp/err.pipe

exec 3>&1 4>&1

tee /tmp/std.out < /tmp/out.pipe >&3 &
pid_out=$!
exec  1>/tmp/out.pipe

tee /tmp/std.err < /tmp/err.pipe >&4 &
pid_err=$!
exec  2>/tmp/err.pipe

log() {
 echo "`date` : $@ "
}

log "Starting the process"
log "Listing directories now..."
ls -l
ls -l Log_to_Stderr
exec 1>&3 3>&- 2>&4 4>&-
wait $pid_out
wait $pid_err
rm /tmp/out.pipe /tmp/err.pipe
log "End of Processing"

Please let us know if you could find a better approach

Thanks
Nagarajan G
This User Gave Thanks to ennstate For This Post:
 

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SCRIPT-EMAIL(8) 					  System Administration Commands					   SCRIPT-EMAIL(8)

NAME
script-email - Amanda script to send email notifications DESCRIPTION
script-email is an Amanda script implementing the Script API. It should not be run by users directly. It sends a notification email to the addresses specified in the MAILTO property. PROPERTIES
This section lists the properties that control script-email's functionality. See amanda-scripts(7) for information on the Script API, script configuration. MAILTO List of email addresses that will receive an email on command execution. It is a multi-valued property: property "MAILTO" "amanda@domain.com" "sysadmin@domain.com" "amandauser@domain.com" EXAMPLE
In this example, script-email is scheduled to be run before the DLE, on the server. The unqualified email address amanda will be passed to the email system unchanged. The script is then attached to a dumptype, which can then be specified for any DLEs which require notification. define script-tool pre-email { comment "email me before this DLE is backed up" plugin "script-email" execute-on pre-dle-backup execute-where server property "mailto" "amanda" } define dumptype user-tar-email { user-tar script "pre-email" } SEE ALSO
amanda(8), amanda.conf(5), amanda-client.conf(5), amanda-scripts(7) The Amanda Wiki: : http://wiki.zmanda.com/ AUTHORS
Jean-Louis Martineau <martineau@zmanda.com> Zmanda, Inc. (http://www.zmanda.com) Dustin J. Mitchell <dustin@zmanda.com> Zmanda, Inc. (http://www.zmanda.com) Amanda 3.3.3 01/10/2013 SCRIPT-EMAIL(8)
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