Apparently, punctuation isn't treated as part of a word, so it threw off the \< and \> tags. Instead, I've done this:
asterisk, one or more words, possible punctuation marks, and a final asterisk.
I have a program that displays many messages on stdout.
I have another file that contain error messages only - Each line is a separate message. (msgs.txt)
I am trying to show only the errors and not all the output.
I tried this but got nothing:
myprog | grep < msgs.txt
I also tried... (2 Replies)
Hey all! I'm trying to search a file and return all instances of a word, let's say 'foo' in this case, as long as it's not a function name. For example:
1) int foo; //OK
2) //'this is totally fooed up' is also OK
3) int foo (int x, int y) //not ok to return
I've tried a lot of regular... (7 Replies)
I wrote a simple korn shell where I am trying to filter all the good record layouts of a file to only leave the bad ones to look at. That file is hudge. Aside from '# comments' and 'var=ssss', all record should follow a specific record layout, with comma seperated fields. Some fields can have any... (2 Replies)
hi everybody
I am a new user to this forum and its previous posts have been very useful. I'm searching in a file using grep for patterns like
12.13.444
55.44.443
i.e. of form
<digit><digit>.<digit><digit>.<digit><digit><digit>
Can anybody help me with this.
Thanks in advance (4 Replies)
Hi,
I have a file as below,
{####
if file
then
file
else
file
}
print file
i need to fine the count of all the pattern - file, inside the { }
i'm using a grep command as
grep -c \{'*file*'\} fake.sh\
It doesn't gives me any result, i think the problem here is the... (5 Replies)
I need to replace occurrences of twelve asterisks "************" with the string " 0000000.00" . Note that there are two spaces in front of the first zero. How can I do this using awk or sed? (3 Replies)
Please dont delete, im listing my assignment and will be editing as i work on it. I am NOT looking for answers but help in understanding how to use grep
1. The problem statement, all variables and given/known data:
For each question, list the command lines used in addition to any other details... (3 Replies)
I am trying to print columns from a table whose name (header) matches a certain string.
E.g.,
patient1001 patient1002 patient2005 patient3005 patient4001
0 0 0 0 0
2 9 2 8 3
2 7 3 0 2
Say I want to print columns whose names end with "01"
patient1001 patient4001
0 0
2 3
2 2
... (3 Replies)
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
Given a text file (big_english.txt) containing roughly 250,000 words, answer the following using grep and... (2 Replies)
Hi All,
For the past many days I have solved a lot of grep and regular expression questions, Now I am in a search for a good quality set of questions that can help me build and check my knowledge of grep with regular expressions, it would be great if anyone could help me with my requirement.
... (1 Reply)