1
vote
2answers
74 views

linux + match IP ADDRESS with 3 octets or with 4 octets

how to match IP address with 4 octets or with 3 octets in one command? target - match xxx.xxx.xxx or xxx.xxx.xxx.xxx ( syntax should fit for Linux and Solaris ) how to merge the following commands ...
3
votes
1answer
105 views

Output of `java -version` not matched by grep or awk

On my Linux machine, it isn't clear to me why if I do the following then I don't get only the version string ("1.5.0_32"). # java -version | grep version | awk '{print $NF}' java version "1.5.0_32" ...
0
votes
1answer
307 views

Problem with using grep command with env variable containing special characters

I have a variable "abc" with value "xyz*!@#" in my unix account (ksh). I used export command to export this variable into the environment. When I use grep command as below env |grep xyz I get the ...
6
votes
2answers
386 views

When is it useful to use “grep — SOMEPATTERN”?

So under Linux/AIX where ever.., when is it useful to use: grep -- SOMEPATTERN the Question is the "--" part. When is it usefull to use?