10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
data.txt:
hellohellohello
mellomello1mello
tellotellotellotello
bellobellowbellow
vellow
My attempts:
egrep ".*mello1\n.*bellow" data.txt
awk '/.*mello1.*\nbellow/' data.txt
how can i search for patterns that are on different lines using simple egrep or awk?
i only want the... (7 Replies)
Discussion started by: SkySmart
7 Replies
2. Shell Programming and Scripting
I am trying to match mulitple (3) variables. I found the sub given below on the web which works well when all vars are defined. But there are situations where one or two will not be defined (at least one will always be defined.)
Example of the variable content possibilities
The sub found... (4 Replies)
Discussion started by: popeye
4 Replies
3. Shell Programming and Scripting
Dear Perl users,
Could somebody help me how to fix my code so I can get my desired output.
Here is the data:
Pattern Gabriel
halo1
halo2
end
Pattern Andreas
halo1
halo2
endI want to grep multiple lines between the pattern /Pattern Gabriel / and /end/.
Then I will store the output into... (6 Replies)
Discussion started by: askari
6 Replies
4. Shell Programming and Scripting
I have a large file of many pairs of sequences and their headers, which always begin with '>'
I'm looking for help on how to retain only sequences (and their headers) below a certain length. So if min length was 10, output would be
I can filter by length, but I'm not sure how to exclude... (3 Replies)
Discussion started by: pathunkathunk
3 Replies
5. Shell Programming and Scripting
Hi,
I've a logfile which i need to parse and get the logs depending upon the user input. here, i'm providing an option to enter the string which can be matched with the log entries.
e.g. one of the logfile entry reads like this -
$str = " mpgw(BLUESOAPFramework):... (6 Replies)
Discussion started by: butterfly20
6 Replies
6. Shell Programming and Scripting
Hi,
my xml files looks something like this
<Instance Name="New York">
<Description></Description>
<Instance Name="A">
<Description></Description>
<PropertyValue Key="false" Name="Building A" />
</Instance>
<Instance Name="B">
... (4 Replies)
Discussion started by: tententen
4 Replies
7. Shell Programming and Scripting
I've got a longish log file with content such as
Uplink traffic:
Downlink traffic:
I want to parse the log file and remove any line that contains the string "Uplink traffic:" at the beginning of the line, but only if the line following it beginnings with the string "Downlink traffic:" (in... (7 Replies)
Discussion started by: Yorkie99
7 Replies
8. Shell Programming and Scripting
Let's say I'm trying to match potentially multiple sets of parentheses. Is there a way in a regular expression to force a match of closing parentheses specifically in the number of the opening parentheses?
For example, if the string is "((foo bar))", I want to be able to say "match any number of... (7 Replies)
Discussion started by: cvp
7 Replies
9. Shell Programming and Scripting
can't figure out a way to delete multiple empty lines but keep single empty lines in a file, file is like this
#cat file
1
2
3
4
5
6
-
What I want is
1
2 (6 Replies)
Discussion started by: fedora
6 Replies
10. Shell Programming and Scripting
I want to use find to locate files with two different extensions, and run a grep on the results. The closest I have gotten is incredibly slow and ugly:
for i in `ls -laR|egrep -e '(.js|.css)'`; do find . -name $i -print|xargs grep -H searchBg; done;
This method makes my eyes bleed. Help! ;)
... (2 Replies)
Discussion started by: r0sc0
2 Replies