egrep question

[Alan Wyskowski]

Can someone explain to me why this would match. To me is should not match the pattern it did. Thanks.


$ egrep "^Subject:.*CMR*" badfile (did find that string)

Subject: PVCS Dimensions Baseline WNP:SCM_WNP_BL1_051503 is now in your pending list $ exit

[Rodney Hills]

Because CMR* means CM followed by ZERO or more R's. So SCM matches that portion.

HTH

-- Rod Hills

[Vicente Sanchez_3]

Hello,

Probably is the (.), as special char. If the string you are looking for contains this char, insert a \ before:

egrep "^Subject:\.*CMR*" badfile

Regards, Vicente.

[Sachin Patel]

Hi Alan,

could you more specific? how is your badfile look like.

Looks like you are trying to match line start with Subject which has CMR at any place.

Here is whaat happen when I try
hpc-ps3{sachin}% echo "Subject: jadklfj iewui CMR jakdjkl" > badfile

hpc-ps3{sachin}% egrep "^Subject:.*CMR*" badfile
Subject: jadklfj iewui CMR jakdjkl

sachin