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Top Forums Shell Programming and Scripting Running a script without a terminal session Post 302138436 by jjinno on Monday 1st of October 2007 02:45:07 PM
Old 10-01-2007
Running a script without a terminal session

I'm trying to figure out how I can run a script "myScript.sh" in such a way that if my remote network connection gets disconnected, the script doesn't stop functioning.

Right now I log in, run "./myScript.sh" and watch my output get pumped to a log file for about 10 hours. Only problem is that if I (or my ISP) closes my network connection ever, I have to start the whole thing all over again.

I have heard something about creating a .pid file and somehow running the script in a different session, but how do I go about doing that?
 

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script(1)						      General Commands Manual							 script(1)

NAME
script - Makes a transcript of terminal session SYNOPSIS
script [-a] [file] The script command makes a transcript of everything printed on your terminal. OPTIONS
Appends the transcript to file rather than writing it to file. OPERANDS
The name of an output file that will contain the transcript of the session. If this parameter is omitted, the file typescript is written. DESCRIPTION
The transcript is written to file, or appended to file if the -a option is given. If no file name is given, the transcript is saved in the file typescript. The script ends when the forked shell exits. This program is useful when you are using a CRT and want a hard-copy record of the dialog (for example, a technical writer might create an example of a working session this way). If you specify the -a option and the file does not exist, it is created. If you do not specify the -a option and the file exists, it is replaced. RESTRICTIONS
The script command requires a streams based terminal. In single user mode, streams may not be enabled. Under these circumstances, script will exit with no action. If you are the superuser and need to run this command in single user mode, use the following special instruc- tions. Enabling Streams If it is necessary to enable a streams environment in the single user mode, enter the command /sbin/init.d/streams. This command is avail- able to the superuser only. SEE ALSO
Commands: autopush(8), cat(1), echo(1), strsetup(8), tee(1) System Administration script(1)
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