Bash script - ENV Variable context problem using su Post: 302871083

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Top Forums Shell Programming and Scripting Bash script - ENV Variable context problem using su Post 302871083 by jcdole on Tuesday 5th of November 2013 12:48:01 PM

11-05-2013

Registered User

Quote:

Originally Posted by Chubler_XL

The exec su line is expanding your arguments. You could define CMDLN_ARGS like this:

Code:

CMDLN_ARGS="\"$@\"" # Command line arguments for this script

Does not help.

I have made some change. As the two executing jobs programs are very similar, I have made one program for the two task. So I am passing 3 arguments as I have added the copy direction ( "from" or "to" ).

So I am using now an unique program. And I get the same problem.

here is the command in the first launcher files_copy_from_server_launcher :

Code:

/home/user/bin/files_copy_server  "from"  "/root/bin/mysql*"  "/home/user/"

here is the command in the second launcher files_copy_to_server_launcher :

Code:

/home/user/bin/files_copy_server  "to" "/home/user/bin/files_copy*" "/root/bin/"

The first one run correctly.;
Here part of screen logs:

Code:

CMDLN_ARGS_2 : Note : is blank in entry
CMD   : /home/user/bin/files_copy_server
PARAM : "from /root/bin/mysql* /home/user/"
Please enter root's password.
Password:
CMDLN_ARGS_2 : "from /root/bin/mysql* /home/user/" Note : is not blank because of the recursive call
Reading exec parameter
$ 1 : from /root/bin/mysql* /home/user/ this is  given by  "echo $1"
$ 1 : from /root/bin/mysql* /home/user/ this is  given by "echo "$1
$ { 1 } : from /root/bin/mysql* /home/user/ this is  given by  "echo ${1}"
$ { 1 } : from /root/bin/mysql* /home/user/ this is  given by  "echo "{$1}
MAIN - il y a 3 parametres
MAIN - PARAM0 : /home/user/bin/files_copy_server
MAIN - PARAM1 : from
MAIN - PARAM2 : /root/bin/mysql*
MAIN - PARAM3 : /home/user/

The second launcher run badly.;
Here part of screen logs; Note the important info for the following are in bold :

Code:

CMDLN_ARGS_2 : Note : is blank in entry
CMD   : /home/user/bin/files_copy_server
PARAM : "to   /home/user/bin/files_copy*   /root/bin/"
Please enter root's password.
Password:
CMDLN_ARGS_2 : "to    /home/jcdole/bin/files_copy*  /root/bin/" Note : is not blank because of the recursive call
Reading exec parameter
$ 1     : to /home/user/bin/files_copy* /root/bin/ this is  given by  "echo $1"
$ 1     : to /home/user/bin/files_copy_from_server /home/user/bin/files_copy_from_server.1 /home/user/bin/files_copy_from_server_launcher /home/user/bin/files_copy_from_server_launcher.1 /home/user/bin/files_copy_from_server_launcher.2 /home/user/bin/files_copy_from_server_launcher.3 /home/user/bin/files_copy_from_server_launcher.4 /home/user/bin/files_copy_server /home/user/bin/files_copy_server.1 /home/user/bin/files_copy_server.2 /home/user/bin/files_copy_server.3 /home/user/bin/files_copy_server.4 /home/user/bin/files_copy_to_server /home/user/bin/files_copy_to_server.1 /home/user/bin/files_copy_to_server.2 /home/user/bin/files_copy_to_server.3 /home/user/bin/files_copy_to_server.4 /home/user/bin/files_copy_to_server.5 /home/user/bin/files_copy_to_server_launcher /home/user/bin/files_copy_to_server_launcher.2 /home/user/bin/files_copy_to_server_launcher.3 /home/user/bin/files_copy_to_server_launcher.4 /root/bin/ this is bad
this is  given by "echo "$1
$ { 1 } : to /home/user/bin/files_copy* /root/bin/ this is  given by  "echo ${1}"
$ { 1 } : to /home/user/bin/files_copy_from_server /home/user/bin/files_copy_from_server.1 /home/user/bin/files_copy_from_server_launcher /home/user/bin/files_copy_from_server_launcher.1 /home/user/bin/files_copy_from_server_launcher.2 /home/user/bin/files_copy_from_server_launcher.3 /home/user/bin/files_copy_from_server_launcher.4 /home/user/bin/files_copy_server /home/user/bin/files_copy_server.1 /home/user/bin/files_copy_server.2 /home/user/bin/files_copy_server.3 /home/user/bin/files_copy_server.4 /home/user/bin/files_copy_to_server /home/user/bin/files_copy_to_server.1 /home/user/bin/files_copy_to_server.2 /home/user/bin/files_copy_to_server.3 /home/user/bin/files_copy_to_server.4 /home/user/bin/files_copy_to_server.5 /home/user/bin/files_copy_to_server_launcher /home/user/bin/files_copy_to_server_launcher.2 /home/user/bin/files_copy_to_server_launcher.3 /home/user/bin/files_copy_to_server_launcher.4 /root/bin/this is bad
this is  given by "echo "${1}
MAIN - il y a 24 parametres  this is bad
MAIN - PARAM0 : /home/user/bin/files_copy_server
MAIN - PARAM1 : to
MAIN - PARAM2 : /home/user/bin/files_copy_from_server this is bad
MAIN - PARAM3 : /home/user/bin/files_copy_from_server.1 this is bad

the program extract parameter in this loop :

Code:

for PARAM in $1 ; do
    case $MY_COUNT in
        0)
            DIRECTION=$PARAM
            ;;
        1)
            SOURCE=$PARAM
            ;;
        2)
            DESTINATION=$PARAM
            ;;
    esac
    ((MY_COUNT += 1 ))
done

As $1 is badly interpreted the program miss-function.

But why only in the second case in use. ?

Any help is welcome

jcdole

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