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Top Forums Shell Programming and Scripting Code that has to end no matter what Post 303022472 by drysdalk on Saturday 1st of September 2018 10:50:07 AM
Old 09-01-2018
Hi,

One modification you could make here would be to change the line defining maxruntime to this instead:

Code:
maxruntime=$1

The variable $1 has a special meaning referring to the first command-line parameter passed into the script. So for a ten-second timeout, you could then run the script by typing script.sh 10, and when the script ran maxruntime would take the definition of the first parameter passed to the script - 10, in this case.
 

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

NAME
service - run a System V init script SYNOPSIS
service SCRIPT COMMAND [OPTIONS] service --status-all service --help | -h | --version DESCRIPTION
service runs a System V init script in as predictable environment as possible, removing most environment variables and with current working directory set to /. The SCRIPT parameter specifies a System V init script, located in /etc/init.d/SCRIPT. The supported values of COMMAND depend on the invoked script, service passes COMMAND and OPTIONS it to the init script unmodified. All scripts should support at least the start and stop commands. As a special case, if COMMAND is --full-restart, the script is run twice, first with the stop command, then with the start command. service --status-all runs all init scripts, in alphabetical order, with the status command. If the init script file does not exist, the script tries to use legacy actions. If there is no suitable legacy action found and COMMAND is one of actions specified in LSB Core Specification, input is redirected to the systemctl. Otherwise the command fails with return code 2. FILES
/etc/init.d The directory containing System V init scripts. ENVIRONMENT
LANG, TERM The only environment variables passed to the init scripts. SEE ALSO
chkconfig(8), ntsysv(8), systemd(1), systemctl(8), systemd.service(5) Jan 2006 service(8)
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