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Top Forums Shell Programming and Scripting Redirecting command output to a file in a shell script Post 302826279 by Just Ice on Wednesday 26th of June 2013 09:14:53 AM
Old 06-26-2013
try this and let us know if it works ...

script > /dir/log 2>&1
in your script, do
Code:
#! /bin/ksh

admin=admin@some.com

some_command 
some_script 
...
some_command
some_script

if [ -f /dir/log ]
then
      cat /dir/log | mailx -s 'logfile for script is ready' $admin 
else
     echo "script has no entries in /dir/log up to this point" >> /dir/log
fi

exit 0

or ...

you can just create one big function in your script and redirect the output for that function into one log file ...
Code:
#! /bin/ksh

admin=admin@some.com

myfunction(){
    some_command 
    some_script 
    ...
    some_command
    some_script
}

myfunction > /dir/log 2>&1
echo "i'm done"

if [ -f /dir/log ]
then
      cat /dir/log | mailx -s 'logfile for script is ready' $admin
      echo "i am done. report emailed to $admin" 
else
     echo "script has no entries in /dir/log up to this point"
fi

exit 0

 

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runsvdir(8)						      System Manager's Manual						       runsvdir(8)

NAME
runsvdir - starts and monitors a collection of runsv(8) processes SYNOPSIS
runsvdir [-P] dir [ log ] DESCRIPTION
dir must be a directory. log is a space holder for a readproctitle log, and must be at least seven characters long or absent. runsvdir starts a runsv(8) process for each subdirectory, or symlink to a directory, in the services directory dir, up to a limit of 1000 subdirectories, and restarts a runsv(8) process if it terminates. runsvdir skips subdirectory names starting with dots. runsv(8) must be in runsvdir's PATH. At least every five seconds runsvdir checks whether the time of last modification, the inode, or the device, of the services directory dir has changed. If so, it re-scans the service directory, and if it sees a new subdirectory, or new symlink to a directory, in dir, it starts a new runsv(8) process; if runsvdir sees a subdirectory being removed that was previously there, it sends the corresponding runsv(8) process a TERM signal, stops monitoring this process, and so does not restart the runsv(8) process if it exits. If the log argument is given to runsvdir, all output to standard error is redirected to this log, which is similar to the daemontools' readproctitle log. To see the most recent error messages, use a process-listing tool such as ps(1). runsvdir writes a dot to the read- proctitle log every 15 minutes so that old error messages expire. OPTIONS
-P use setsid(2) to run each runsv(8) process in a new session and separate process group. SIGNALS
If runsvdir receives a TERM signal, it exits with 0 immediately. If runsvdir receives a HUP signal, it sends a TERM signal to each runsv(8) process it is monitoring and then exits with 111. SEE ALSO
sv(8), runsv(8), runsvchdir(8), runit(8), runit-init(8), chpst(8), svlogd(8), utmpset(8), setsid(2) http://smarden.org/runit/ AUTHOR
Gerrit Pape <pape@smarden.org> runsvdir(8)
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