How to grep sting (*) ?

Shell Programming and Scripting
1

Hi all,
I am trying to grep something from log file.

For example. i need to grep sting = "*834*1"

My LOG

2010-05-05 09:27:57,649|3|ABCD834|192.168.38.72|2365|444850623031|0|8|-|0|*834*1*1499413*00853662524#|470540.7219101273026475158
2010-05-05 09:28:48,053|12|ABCD834|192.168.38.71|147|444804255165|0|16|-|0|*834*9*4*00853662730#|434120.7196481273026527726
2010-05-05 09:28:58,460|5|ABCD834|192.168.38.76|608|444854069949|0|10|-|0|*834*5*00853663028#|371780.1682631273026537677
2010-05-05 09:29:05,822|5|ABCD834|192.168.38.72|575|444804255165|0|10|-|0|*834*5*00853662730#|482760.7235481273026545257
2010-05-05 09:29:17,703|13|ABCD834|192.168.38.76|5175|444854069949|-1|0|30105|0|*834*9*5*00853663028#|330870.1692111273026552253
2010-05-05 09:29:20,250|6|ABCD834|192.168.38.71|80|444804255165|0|11|-|0|*834*6*00853662730#|358980.7103851273026559517
2010-05-05 09:29:29,235|7|ABCD834|192.168.38.71|60|444804255165|0|29|-|0|*834*7*00853662730#|359290.7105931273026568788
2010-05-05 09:29:48,820|13|ABCD834|192.168.38.76|308|444854069949|0|17|-|0|*834*9*5*00853663028#|477350.1615001273026588532
2010-05-05 09:30:05,759|14|ABCD834|192.168.38.76|228|444854069949|0|18|-|0|*834*9*6*00853663028#|403290.1625021273026605443
2010-05-05 09:30:31,176|14|ABCD834|192.168.38.73|277|444850369726|0|18|-|0|*834*9*6*00868434710#|649800.1317031273026630789
2010-05-05 09:32:18,359|0|ABCD834|192.168.38.72|2|444824692738|-1|3|00999|0|*834#|566550.7282441273026737801

out put

2010-05-05 09:27:57,649|3|ABCD834|192.168.38.72|2365|444850623031|0|8|-|0|*834*1*1499413*00853662524#|470540.7219101273026475158
2 
grep "\*834\*1" "My LOG"
3

Surround the * with single quotes. It prevents expansion.

grep '*834*1' MY_LOG
4

This won't work. The issue isn't file expansion but "*8341" doesn't matching "*8341" as a limited regular expression.

alternatively, this will work too:

fgrep "*834*1" MY_LOG