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Give a regular expression that finds two things, try to
come up with regular expressions that find each
individually using "egrep" command?
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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 |
Sorry to all Technical person for mistake of Question. Now i am post currect question Why copied file permission is changed in destination. When i give all permission i.e 777 to file and copy that to other location in destination the permission is 755. But if give permission 555 in destination that file permission is 555 and if give permission 444 to file after copy in destination the file permission is 444. These all are happening in normal user. How the umask value is calculate here really i am not understand. Please write the proper answer. Thanks in Advance
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