I had exactly the same problem with a script I wrote to put timestamps on some tail -f output - I kept getting bunches of lines with the same timestamp instead of them being processed in real time.
I ended up replacing grep with a small perl script:
While installing a firewall, I was pinging the interface from SCO 5.0.6 Openserver box, while no response, I hit "DEL" to cancel, but no cancel. Then all of a sudden I get BOO-KOO traffic lights on HUB and Switch.... Then a kernel trap error. System froze... Proceeded with a cold boot. Now I have... (8 Replies)
Howdy folks,
I am fairly new to scripting but have lost of expirience in c++, pascal, and a few other. I am trying to complete a file search script that is sent a file name containing data to search that is arranged like this
"id","name","rating"
"1","bob","7"
etc
and an argument to... (1 Reply)
Hi,
I need to use a double grep so to speak. I need to grep for a particular item say BOB and then for each successful result I need to grep for another item say SMITH.
I tried grep "BOB" filename | grep "SMITH"
but it does not seem to work.
I can achieve my desired result using an... (12 Replies)
$>cat file.txt
123 d3
234 abc 3
zyf 23
124 def 8
ghi kz0
...
...
I have the following output on the screen through <some command>.
$> <some command>
abc
def
ghi
...
...
I have to search for each of these patterns in the file.txt and print the lines in file.txt matching the... (4 Replies)
Hi everybody,
I have a big file with blast results (if you know what this means, otherwise look at it just as a text file with a specific form).
I am trying to extract some ids from within this file, which have certain parameters.
For example, some Of my IDs have the term 'No hit results'... (1 Reply)
Hi everybody,
I have a big file with blast results (if you know what this means, otherwise look at it just as a text file with a specific form).
I am trying to extract some ids from within this file, which have certain parameters.
For example, some Of my IDs have the term 'No hit results'... (6 Replies)
Hi,
I have a number of files containing the information below.
"""""
Fundallinfo
6.3950 14.9715 14.0482
"""""
I would like to grep for Fundallinfo and use it to read the next line? I ideally would like to read the three numbers that follow in the next line and... (2 Replies)
Hi guys.
You'd have to excuse me a bit, as I'm a noob. I really try to avoid asking questions and do research for whatever linux issues that may arise.
I am experiencing a long wait for the shell to come up when I ssh or telnet into a Sunos 5.10 environment.
It takes 70 seconds to give me... (12 Replies)
cat file
1 aaa
2 bbb
3 ccc
4 ddd
In TextEdit, I then copy the characters “ccc” to the clipboard. The problem is that the following command gives no output:
bash-3.2$ pbpaste | grep - file
Desired output:
3 ccc
What should the syntax be for that command? I am using MacOS El... (3 Replies)