Grep with multiple strings and wildcard-CodePudding

I'm trying to get matches from a log file with multiple strings and a wildcard. This is how the log looks like

test.log

abc|07Jan2016:sessionId=F4DF
<<random log lines>>
def|08Jan2016:sessionId=5415
<<random log lines>>
abc|08Jan2016:sessionId=F4DF
<<random log lines>>
xyz|09Jan2016:sessionId=F3D2
<<random log lines>>
ijk|06Jan2016:sessionId=CF38

The result I'm expecting

abc|07Jan2016:sessionId=F4DF
ijk|06Jan2016:sessionId=CF38

As you can see, I just want to get the log lines that have sessionIds from lines that have the string matches 'abc' and 'ijk'

The grep command that I tried

grep -m 1 'abc.*sessionId\|ijk.*sessionId' test.log

The result I'm getting

ijk|06Jan2016:sessionId=CF38

The grep is not looking for matches with the string 'abc', but it is looking for the 'ijk' match with the wildcard '.*sessionId' Can somebody please let me know what I'm missing here..?

CodePudding user response：

This awk may solve the problem:

awk 'BEGIN {FS="\\|"; pat["abc"]; pat["ijk"]}
$1 in pat && /:sessionId=/ {print; delete pat[$1]}' file.log

abc|07Jan2016:sessionId=F4DF
ijk|06Jan2016:sessionId=CF38

Code Demo

CodePudding user response：

Suggestion with grep:

grep -E "^(abc|ijk)\|" file.log

Suggesting with awk:

 awk '/^(abc|ijk)\|/1' file.log