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Shell Programming and Scripting

Date command

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# 8  
Old 09-10-2012
This might be the cause of error... please check..

Code:
$ DATE3='TZ=GMT-168 $date +%y%m%d'
$ echo $DATE3
TZ=GMT-168 $date +%y%m%d

# 9  
Old 09-10-2012
Thankyou, getting somehwere now, just the DATE3 variable which isn't working correctly, I have the below now from what I understood from your reply. I need the date to be written into where the variable lies in the script e.g. 120910

Code:
 
#!/bin/bash
#A backup script if the default data file has not been sent over
#
EXTEN=.txt
VALID=VSL0120
DATE1=$(date +%y%m%d)
DATE2=000000
DATE3='TZ=TZ+168 $date +%y%m%d'
DIR=/apps/live/aahvanroutedata
#
if [ ! -e $DIR/VSL01_D* ]
#
then
        touch /export/home/tjmoore/default_data_backup_email < cat "We have not
        received todays default data file from Alliance, the default data file h
        as been used from the previous weeks same day"    
#
        cp $DIR/$VALID$DATE3$DATE2$EXTEN $DIR/$VALID$DATE1$DATE2$EXTEN 1 >>
        /export/home/tjmoore/default_data_backup_email
#
        /usr/local/bds/mailsend.s mailx "Backup Default Data File has been used"
        <email address> <email address> /export/home/tjmoore/de
        fault_data_backup_email > 2&1>/dev/null
#
fi

# 10  
Old 09-10-2012
you shoud re write it as below

Code:
DATE3='TZ=TZ+168 $date +%y%m%d'

To
Code:
 TZ=TZ+168
DATE3=`date +%y%m%d'`
TZ=TZ-168

just in case if you use date somewhere down below in the script.
# 11  
Old 09-10-2012
Doesnt seem to want to run the date command in between the TZ alterations

Just comes back with this if you echo it

Code:
 
date +%y%m%d'

If you run it like this however it does work but the the TZ changes dont apply

Code:
 
DATE=$(date +%y%m%d)

# 12  
Old 09-10-2012
hope this will give you a clear idea... I missed one single quote in the above command..

Code:
wload/lscp/home> date
Mon 10 Sep 16:29:20 2012
wload/lscp/home> TZ=TZ+168
wload/lscp/home> DATE3=`date +'%y%m%d'`
wload/lscp/home> TZ=TZ
wload/lscp/home> echo $DATE3
120903
wload/lscp/home> date
Mon 10 Sep 16:29:34 2012

# 13  
Old 09-10-2012
Quote:
Originally Posted by 02JayJay02
Code:
...
        /usr/local/bds/mailsend.s mailx "Backup Default Data File has been used"
        <email address> <email address> /export/home/tjmoore/de
        fault_data_backup_email > 2&1>/dev/null

should be:
Code:
        /usr/local/bds/mailsend.s mailx "Backup Default Data File has been used"
        <email address> <email address> /export/home/tjmoore/de
        fault_data_backup_email 2>&1 >/dev/null

IF you want STDERR to terminal, and STDOUT to /dev/null (as far as I know your code is not correct there).

And some line above you have 1 >> , I think it should be 1>> without space (or take away the "1", "1" (STDOUT) are default when using >>

One more thing, most people are not using "#" for empty lines, normally they are just empty, only a tip.
This User Gave Thanks to 244an For This Post:
02JayJay02
# 14  
Old 09-11-2012
just wrote a seperate script as it seems to be just the date command thats not working now, I have the below but it doesnt output the date

Code:
#!/bin/bash
#
TZ=TZ+168
DATE='date +'%y%m%d''
TZ=TZ-168
#
echo $DATE

it just outputs

Code:
date +%y%m%d
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