CRON-Job / Shell-Skript deleting special files Post: 38345

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Top Forums Shell Programming and Scripting CRON-Job / Shell-Skript deleting special files Post 38345 by ManfredWL on Monday 14th of July 2003 11:00:15 AM

07-14-2003

Registered User

CRON-Job / Shell-Skript deleting special files

Just I'm trying to find script, which will do the following job:
1. as a CRON-Job it shoult
a) delete files which will be either older than 24 hours or
b) all files within
a) a directory deleting recursive
b) only a special directory.
2. write an error-/Delete_log or not.

lets say, the shell-skript will be names as df.sh
so it would be executed with three parameters:

df.sh j j n

this will be submitted as Parameters and - as far as I know?? - could be read with:

case $1 in
[jJ]) VAR1=1; export VAR1;;
[nN]) VAR1=0; export VAR1;;
*) echo "ERROR1"; PERROR=1; export PERROR;;
esac
case $2 in
[jJ]) VAR2=1; export VAR2;;
[nN]) VAR2=0; export VAR2;;
*) echo "ERROR2"; PERROR1=1; export PERROR;;
esac
case $3 in
[jJ]) VAR3=1; export VAR3;;
[nN]) VAR3=0; export VAR3;;
*) echo "ERROR3"; PERROR2=1; export PERROR;;
esac

why didn't it work??

When using
df.sh j jn j
the errormessage for Var2 will be shown

when using
df.sh jj jj jj
all errormessages will be shown

When useing
df.sh j j j
no errormessages, but the Variables are not set! WHY??

Any help would be nice.

thanks
Manfred

ManfredWL

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crond

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

NAME

       cron - daemon to execute scheduled commands (Vixie Cron)

SYNOPSIS

       cron

DESCRIPTION

       Cron should be started from /etc/rc or /etc/rc.local.  It will return immediately, so you don't need to start it with '&'.

       Cron searches /var/spool/cron for crontab files which are named after accounts in /etc/passwd; crontabs found are loaded into memory.  Cron
       also searches for /etc/crontab and the files in the /etc/cron.d/ directory, which are in a different format (see  crontab(5)).	Cron  then
       wakes up every minute, examining all stored crontabs, checking each command to see if it should be run in the current minute.  When execut-
       ing commands, any output is mailed to the owner of the crontab (or to the user named in the MAILTO environment variable in the crontab,	if
       such exists).

       Additionally,  cron checks each minute to see if its spool directory's modtime (or the modtime on /etc/crontab) has changed, and if it has,
       cron will then examine the modtime on all crontabs and reload those which have changed.	Thus cron need not be restarted whenever a crontab
       file is modified.  Note that the Crontab(1) command updates the modtime of the spool directory whenever it changes a crontab.

SEE ALSO

       crontab(1), crontab(5)

AUTHOR

       Paul Vixie <paul@vix.com>

4th Berkeley Distribution					 20 December 1993							   CRON(8)

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