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Top Forums Shell Programming and Scripting Difference between command line and script Post 302765417 by SkySmart on Saturday 2nd of February 2013 09:57:49 AM
Old 02-02-2013
Difference between command line and script

i have a bit of a unique question. is there a way to know if a script is being run from from the command line or from another script?

example:
Code:
command line:

### ./autorun.sh
ERROR: not permitted to run script from the commandline. exiting...

but if i put "autorun.sh" into another script and call it "master.sh", i want the master.sh script to know when the user is using the "master.sh" script itself to run the "autorun.sh" and when the user decides to run the "autorun.sh" separately.

the preference here is to prevent the user from runnign the the autorun.sh separately. but i'm lost as to what i can use to identify when it is being run from the command line or through the master.sh script.

os: linux/sunos
shell: bash
 

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script(1)							   User Commands							 script(1)

NAME
script - make record of a terminal session SYNOPSIS
script [-a] [filename] DESCRIPTION
The script utility makes a record of everything printed on your screen. The record is written to filename. If no file name is given, the record is saved in the file typescript. See WARNINGS. The script command forks and creates a sub-shell, according to the value of $SHELL, and records the text from this session. The script ends when the forked shell exits or when Control-d is typed. OPTIONS
The following option is supported: -a Appends the session record to filename, rather than overwriting it. NOTES
script places everything that appears on the screen in filename, including prompts. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ |CSI |Enabled | +-----------------------------+-----------------------------+ SEE ALSO
attributes(5) WARNINGS
script can pose a security risk when used in directories that are writable by other users (for example, /tmp), especially when run by a privileged user, that is, root. Be sure that typescript is not a link before running script. SunOS 5.10 30 Jan 2004 script(1)
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