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hi,
thanks for the reply. the problem is because i'm using cat -n to number the lines in the file and then try to grep the line number. cat -n puts whitespace and i think that's where i 'm going...

Hi.

I'm trying to grep a line that starts with a specific number from a file using a loop. The problem is:

grep -w $i filename (e.g. for i=1)

gives me back

line 1
line 10
line 11
......

Thanks that does the trick.

Also taking it a bit further is there a way to clean up a file so it only has unique occurrences? Say I don't know the patterns to search for, I just want to remove all...

Hi,

How do i grep unique occurrences from a file.

I have a log file with multiple occurrences of 'foo' for instance. When i do:
grep foo, I get all the lines that contain foo.
Is there any...

Thanks. That did the trick!

Hi,

I have a log file that I'm trying to tidy up using grep. The log file contains a lot of lines like the ones below:

2> change archivelog all crosscheck;
3> release channel;
4> run
5> {...

Thanks for the reply.

I want to avoid chroot, as I don't have much experience with UNIX sysadmin and chroot sounds like the kinda thing that if you get wrong, you quietly pack up your stuff, take...

Hi,

I am looking for a shell script (or any other way), that puts a user in a home directory jail. So for example, I have a user named richard and I don't want him wandering outside...