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Shell Programming and Scripting

script will not run cp command

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Top Forums Shell Programming and Scripting script will not run cp command
# 1  
Old 08-22-2011
script will not run cp command
Hi,

Not sure what the issue is here, but when i run the script. A simple copy command, it does not find the cp command ? See scrpt below :

Code:
#!/bin/sh
set -x
#############################################
# Backup Processes                          #
#############################################
Backup_ALGO()
{
PATH=/home/algodev/Control_Management/scripts
cd $PATH
echo "Jobstream Backup Started"
echo " "
BKUPDIR=/home/algodev/Control_Management/backup
ALGO_TOP=/algo/dev6/data/REL1_TOP
ARA_HOME=/algo/dev6/bin/REL1_AO471_ARA254
cp -rp $ALGO_TOP/Project/Release1/Scripts $BKUPDIR/
echo " "
echo "Jobstream Backup completed"
}
#############################################
# Main                                      #
#############################################
PATH=/home/algodev/Control_Management/scripts
DPID=$(ps -ef|grep Backup_ALGO|grep -v grep)
if [ "${DPID}" = "" ]; then
cd $PATH
        Backup_ALGO
else
echo "The script process is already running: $DPID."
exit
fi


and the error command i get is shown below :


Code:
./test.sh > tv2.out
+ PATH=/home/algodev/Control_Management/scripts
++ ps -ef
./test.sh: line 31: ps: command not found
++ grep Backup_ALGO
./test.sh: line 31: grep: command not found
++ grep -v grep
./test.sh: line 31: grep: command not found
+ DPID=
+ '[' '' = '' ']'
+ cd /home/algodev/Control_Management/scripts
+ Backup_ALGO
+ PATH=/home/algodev/Control_Management/scripts
+ cd /home/algodev/Control_Management/scripts
+ echo 'Jobstream Backup Started'
+ echo ' '
+ BKUPDIR=/home/algodev/Control_Management/backup
+ ALGO_TOP=/algo/dev6/data/REL1_TOP
+ ARA_HOME=/algo/dev6/bin/REL1_AO471_ARA254
+ cp -rp /algo/dev6/data/REL1_TOP/Project/Release1/Scripts /home/algodev/Control_Management/backup/
./test.sh: line 19: cp: command not found
+ echo ' '
+ echo 'Jobstream Backup completed'

Last edited by pludi; 08-22-2011 at 03:29 PM..
# 2  
Old 08-22-2011
Just before the "cp" command, type:
Code:
echo $PATH
whereis cp

# 3  
Old 08-22-2011
PATH is a special variable defining where to find commands, by overwriting it you're preventing it from finding these ordinary commands. Use another name Smilie
# 4  
Old 08-22-2011
thank you, this is now ok - amended PATH to another name.
# 5  
Old 08-22-2011
Save a process and some overhead by eliminating the "grep -v grep":
Code:
DPID=$(ps -ef|grep [B]ackup_ALGO)

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