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Full Discussion: cron ? automating a script
Top Forums UNIX for Dummies Questions & Answers cron ? automating a script Post 302152345 by prowla on Wednesday 19th of December 2007 04:25:11 PM
Old 12-19-2007
Here is a cron entry that would probably work:
Code:
0,30 * * * * /mydir/errpt

However, there are some gotchas:
1. You may not have permission to run cron jobs, so cron.allow would need your account name adding. (And easy way to check is to issue the command "crontab -e" and see if it errors or works.)
2. Your script may not work depending upon the scripting language you've used and OS you're running on (ie. Solaris comes with only Bourne shell support in cron).
3. Your script may assume environment variables that work when you run it interactively, but aren't there when it's run via cron.
4. Your OS (bloomin' Solaris again!) may be configured to only allow a limited number of concurrent cron jobs, so other schedules may impact yours.

Have fun!

Last edited by prowla; 12-19-2007 at 05:27 PM.. Reason: amendment
 

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echo(1B)					     SunOS/BSD Compatibility Package Commands						  echo(1B)

NAME
echo - echo arguments to standard output SYNOPSIS
/usr/ucb/echo [-n] [argument] DESCRIPTION
echo writes its arguments, separated by BLANKs and terminated by a NEWLINE, to the standard output. echo is useful for producing diagnostics in command files and for sending known data into a pipe, and for displaying the contents of envi- ronment variables. For example, you can use echo to determine how many subdirectories below the root directory (/) is your current directory, as follows: o echo your current-working-directory's full pathname o pipe the output through tr to translate the path's embedded slash-characters into space-characters o pipe that output through wc -w for a count of the names in your path. example% /usr/bin/echo "echo $PWD | tr '/' ' ' | wc -w" See tr(1) and wc(1) for their functionality. The shells csh(1), ksh(1), and sh(1), each have an echo built-in command, which, by default, will have precedence, and will be invoked if the user calls echo without a full pathname. /usr/ucb/echo and csh's echo() have an -n option, but do not understand back-slashed escape characters. sh's echo(), ksh's echo(), and /usr/bin/echo, on the other hand, understand the black-slashed escape characters, and ksh's echo() also understands a as the audible bell character; however, these commands do not have an -n option. OPTIONS
-n Do not add the NEWLINE to the output. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscpu | +-----------------------------+-----------------------------+ SEE ALSO
csh(1), echo(1), ksh(1), sh(1), tr(1), wc(1), attributes(5) NOTES
The -n option is a transition aid for BSD applications, and may not be supported in future releases. SunOS 5.11 3 Aug 1994 echo(1B)
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