Give a regular expression that finds two things, try to
come up with regular expressions that find each
individually using "egrep" command?
Answers were Sorted based on User's Feedback
Answer / manikantan t s
egrep -e <expresseion 1> -e <expression 2> <file name>
Is This Answer Correct ? | 5 Yes | 1 No |
Answer / shammi
Suppose yu have file name k.txt
naf@warsteiner:~:>cat k.txt
My name is harish
My name is Mark
Now naf@warsteiner:~:>egrep '(harish|Mark)' k.txt
My name is harish
My name is Mark
Is This Answer Correct ? | 3 Yes | 1 No |
Answer / niranjan
Gud command egrep but it not available in all unix flaviours.
grep -e option do the same as egrep
syntax:-
egrep 'pattern1|pattern2|pattern3' filename
grep -e 'pattern1' -e 'pattern2' -e 'pattern3' filename
Is This Answer Correct ? | 2 Yes | 0 No |
Answer / linuxdemon(vjsujay@gmail.com)
vjsujay@vjsujay-desktop:~/test$ cat jsk
cake
coke
vjsujay@vjsujay-desktop:~/test$ egrep 'c(a|o)ke' jsk
cake
coke
Is This Answer Correct ? | 1 Yes | 2 No |
What is unix command?
in unix echo is used for
10 Answers BFL, BirlaSoft, Patni,
what is the use of nice command?
distinguish between interrupts and exceptions?
What is the pipe command?
What is the difference between pipe and xargs?
What command is used to replace the existing string with some other?
Which command is used to copy files?
How to check whether some services are running in another server or not? Suppose i am currently in a server named A.I want to check whether some services are running in server B without logging into the server B.
3 Answers Amazon, MBA, Syntel, TCS, Unisys,
Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?
Which command will print your home directory on screen?
How will you know who are the users logged in to the system before 15 minutes?