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Full Discussion: How pass the input parameter to a file in the script ?
Top Forums Shell Programming and Scripting How pass the input parameter to a file in the script ? Post 302993128 by drysdalk on Tuesday 7th of March 2017 06:05:30 AM
Old 03-07-2017
Hi,

Ah, OK - I think I understand. Something like this then, maybe ?

Code:
$ cat config.txt
Hello
$ cat script.sh
#!/bin/bash
file="config.txt"
parameter=`/bin/cat $file`

echo My parameter is "'$parameter'"

$ ./script.sh 
My parameter is 'Hello'
$

There are various ways of doing this kind of thing, but if you always know the file will contain only one single string, and you want to stick to as close to your original script as you can, then this should be sufficient.
This User Gave Thanks to drysdalk For This Post:
kraljic
 

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LEARN ABOUT DEBIAN

service

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 an environment as possible, removing most environment variables and with the 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 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  com-
       mand.

       service --status-all runs all init scripts, in alphabetical order, with the status command.

EXIT CODES

       service calls the init script and returns the status returned by it.

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

       /etc/init.d/skeleton,
       update-rc.d(8),
       init(8),
       invoke-rc.d(8).

								     Jan 2006								service(8)
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