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 |
In UNIX, what is the command to edit contents of the file?
Does cp command overwrite files?
what will be the output of ls ~/..
Using unix command how to display no of records in oracle?
What is {} in find command?
what do you understand bythe term 'de-mountable volumes'?
How to install scsi driver in unix? give me explanation clearly?
Is it inbetween or in between?
what is tar command and what are the different types of tar commands?
Hi All, Can you please let me know how to grep for a particular pattern in unix. I want to print the dates from the file exp.txt. the date pattern is DD:MM:YYYY, I just want to print all the dates from the file exp.txt.
8 Answers Concentrix, IBM, Symantec, TCS,
What is the use of pipes?
what is Online(STM) and offline diagnostics in HP-UX?