help: date command breaks in script 1

[djr111]

Hi,

I need to grep the contents of $SFILE for the month and day.

EG: Dec 16

the example below does not work because it believes %d is a new command. I am not sure how I can overcome this, so I am asking for a little guidance.



/usr/bin/cat $SFILE |grep `date +%b %d` >> $LFILE

output to $FILE, I want:

Dec 16 hkhhljljgiuygkg
Dec 16 kjhgjhgufgugugk

As of now I can only get it to grep on 'Dec', which really is not good enough.





thanks
David

 

[PHV]

grep `date '+%b %d'` $SFILE >> $LFILE

Hope This Helps, PH.
FAQ219-2884
FAQ181-2886

 

[djr111]

Hi PHV

It still seems to break

As you can see, it is not able to deal with %d.


I think my way of trying to get the end results is flawed.

Any suggestions on a better way to do it?


With verbose turned on when running the script...

date +%b %d
+ grep Dec 16 /var/adm/messages
grep: can't open 16
+ date +%b %d

 

[PHV]

Sorry for the typo:

grep "`date '+%b %d'`" $SFILE >> $LFILE

Hope This Helps, PH.
FAQ219-2884
FAQ181-2886

 

[djr111]

Thanks PHV,

worked great!!

 

[djr111]

ok, now im getting greedy here.

How would one set it up to query(grep) the previous day and current day.

what im attempting to do is parse through a data log and pull the info only for yesterday up to the point in time the script is ran.

EG: gather info for:

Dec 16, Dec 17 (only)


thanks a bunch

 

[PHV]

Have a look here:
faq822-4802

Hope This Helps, PH.
FAQ219-2884
FAQ181-2886

 

[djr111]

great worked like a charm

thanks again!!

 

[djr111]

I have one last question, it kind of goes with my original post.

I create a file in my script, lets say

myfile : in that file there is only two things

Dec ## EG: Dec 14 (date changes daily)

with that date I need to grep other files to pull out the relevant info.

DTE=myfile

at first I started to use:
grep `cat $DTE` $SFILE >>$YESTER

Soon after, I found out this would not be quite enough.

it works fine for strings with no spaces, but again there is a natural space, so I at a loss.

thanks again

 

[feherke]

Hi

If your [tt]grep[/tt] implementation supports -f :

grep -f $DTE $SFILE  >>$YESTER

Otherwise try to quote the [tt]cat[/tt]ed expression.


Feherke.

http://rootshell.be/~feherke/

 

[djr111]

im using solaris so it is not supported

thanks

 

[PHV]

What about this ?
grep "`cat $DTE`" $SFILE >>$YESTER

Hope This Helps, PH.
FAQ219-2884
FAQ181-2886

 

[djr111]

wow, I could of sworn I tried that, but I guess not.

that did the trick.

I appreciate it, I am done.

thanks again

 

[Annihilannic]

Also, if you do find you wish to use -f, the version of grep in /usr/xpg4/bin on Solaris supports that option.

Annihilannic.