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Full Discussion: Does 2 scripts running at same use a variable with same name conflict?
Top Forums Shell Programming and Scripting Does 2 scripts running at same use a variable with same name conflict? Post 302475917 by markdjones82 on Tuesday 30th of November 2010 09:39:47 AM
Old 11-30-2010
Does 2 scripts running at same use a variable with same name conflict?
All,
I have a Bash SFTP script that I run and before I would hardcode the file name.

I recently decided to put the filename in a variable called $FILENAME.

I had 2 scripts that run at the same time and it seems like in the middle of one of the scripts the variable called the other scripts $FILENAME for my put command.

So, my question is, aren't the variables in a script supposed to be local to the script? At the beginning of the script the variable was fine, but then the put command put the wrong file. See below, the variable $FILENAME switched from CQ12345 to CT12345 in the middle of the script. The other script I run at the same time's variable in CT12345

Script they both run except the FILENAME variable is different:
Code:
FILENAME=CQ12345
ARCHLOC=
LOGFILE=
GETDATE=`date`


#    echo start date to log

echo "Started script at $GETDATE" >> $LOGFILE

if [ "$(find $ORIGLOC/$FILENAME -type f)" ]; then

#    List files out to log

echo " The following file was found and is about to be transferred..." >> $LOGFILE

ls -l $ORIGLOC/$FILENAME >> $LOGFILE

#    Copy files to archive location

cp -pv $ORIGLOC/$FILENAME $ARCHLOC >> $LOGFILE

#    Copy files to new location

cd $ORIGLOC
echo cd INBOUND > /tmp/sftp.sftp
echo put $FILENAME >> /tmp/sftp.sftp
echo bye >> /tmp/sftp.sftp
sftp -b /tmp/sftp.sftp $DESTUSER@$DESTSERV >> $LOGFILE

Log
Code:
 The following file was found and is about to be transferred...
-rwx------ 1 root root 103675 Nov 26 11:56 /CQ12345
`CQ12345' -> `CQ12345'
sftp> cd INBOUND
sftp> put CT12345
Uploading CT12345 to /INBOUND/CT12345
sftp> bye

Last edited by markdjones82; 11-30-2010 at 01:13 PM.. Reason: Edited post to make it make more sense
 

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LEARN ABOUT HPUX

sftp-server

sftp-server(1M)                                           System Administration Commands                                           sftp-server(1M)

NAME

       sftp-server - SFTP server subsystem

SYNOPSIS

       /usr/lib/ssh/sftp-server

DESCRIPTION

       sftp-server implements the server side of the SSH File Transfer Protocol as defined in the IETF draft-ietf-secsh-filexfer.

       sftp-server is a subsystem for sshd(1M) and must not be run directly. There are no options or config settings.

       To enable the sftp-server subsystem for sshd add the following to /etc/ssh/sshd_config:

       Subsystem   sftp     /usr/lib/ssh/sftp-server

       See sshd_config(4) for a description of the format and contents of that file.

       There is no relationship between the protocol used by sftp-server and the FTP protocol (RFC 959) provided by in.ftpd.

EXIT STATUS

       The following exit values are returned:

       0        Successful completion.

       >0       An error occurred.

FILES

       /usr/lib/sftp-server

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWsshdu                    |
       +-----------------------------+-----------------------------+
       |Interface Stability          |Evolving                     |
       +-----------------------------+-----------------------------+

SEE ALSO

       sftp(1), ssh(1), ssh-add(1), ssh-keygen(1), sshd(1M), sshd_config(4), attributes(5)

       To  view  license  terms,  attribution,  and  copyright  for OpenSSH, the default path is /var/sadm/pkg/SUNWsshdr/install/copyright. If the
       Solaris operating environment has been installed anywhere other than the default, modify the given path to access the file at the installed
       location.

AUTHOR

       Markus Friedl

SunOS 5.10                                                          30 Jul 2003                                                    sftp-server(1M)
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