I have a regexp that I wish to match against every line of a file using awk.
But I do not want to substitute it or select the line.
I want to pull the matched text out and put it in a different file, line by line.
What is the correct awk usage to *extract* a regexp and put it in another file?
Let assume that input.txt contains the text quoted above and " w[^ ]*" is the regexp:
If you like to avoid empty lines:
Now suppose you want to output only a subexpression, for example you want only the piece following the initial space:
The above works with GNU awk.
Traditional awk does not allow a third argument for match() and does not support parenthesized subexpressions. Instead you have to rely on the fact that match() sets RSTART and RLENGTH:
Ok, I'm stumped and can't seem to find relevant info.
(I'm not even sure, I might have asked something similar before.):
I'm trying to use shell scripting/UNIX commands to extract URLs from a fairly large web page, with a view to ultimately wrapping this in PHP with exec() and including the... (2 Replies)
Hi!
I want to made a program that will generate code like this:
{{Navedi XYZ
|avtor=XYZ1
|naslov=XYZ2
|leto_izzida=XYZ3
|zalozba=XYZ4
|kraj=XYZ5
|isbn=XYZ6
|cobiss_id=XYZ7
}}
from input like this:
<b> ODGOVORNOST............. : <a... (5 Replies)
Hi guys
I need to find both negative and positive numbers from the following text file. And i also dont need 0.
0
8
-7
-2268
007
-07
-00
-0a0
0a0
-07a0
7a00
0a0
Can someone please give a regex to filter out the values in red. I tried a few things in awk but it didnt work... (9 Replies)
Hello,
Could someone explain why this one returns nothing:
$ x=/jon/
$ echo jon | awk -v xa=$x '$1~xa {print}'
$
while the following works fine:
$ x=jon
$ echo jon | awk -v xa=$x '$1==xa {print}'
$ jon
and the following works fine:
$ echo jon | awk '$1~/jon/ {print}'
$ jon
... (3 Replies)
hi everyone
suppose my input file is
ABC-12345
ABCD-12345
BCD-123456
i want to search the specific pattern which looks like
-
in a file so i used this command
cat $file | awk ' { if ($0 ~ /-/) { print } }'
so it gives me the result as
ABCD-12345
BCD-12345
BCD-12345
... (31 Replies)
Hi can you suggest in this regard
The sample.txt conatins the data
name lines type
sam 12 txt
sam 24 xls
sam 36 pdf
ram 32 txt
ram 45 sxls
ram 58 word
sam 92 jpeg
sam 21 gif
sam 22 ltf
from the data i need to sum all line... (5 Replies)
Hi all,
Can someone tell me what's the (g)awk equal of this simple regex to find ip addresses in urls:
egrep "^http://{1,3}\.{1,3}\.{1,3}\.{1,3}(:{1,5})?/"Input:
http://10.0.0.1/query.exe
http://11y10x09w:80/howaboutme
http://192.168.100.190:1234/takeme.gpg
Output:... (8 Replies)
Hello I have a file like :
20120918000001413 | 1.17.163.89 | iSelfcare | MSISDN | N
20120918000001806 | 1.33.27.100 | iSelfcare | 5564 | N
....
I want to extract all lines that have on 4th field (considering "|" the separator ) something other than just digits. I want to do this using a... (5 Replies)
Hello to all,
I have:
X="string 1-"
Y="-string 2"
Z="string 1-20-string 2"In the position of the number 20 could be different numbers, but I'm interest only when the number is 15, 20,45 or 70.
I want to include an IF within an awk code with a regex in the following way.
... (12 Replies)
I have location as
line=/got/cpp/track/tmp/piy/p_tok.xml
I need the path till tmp i.e. /got/cpp/track/tmp
i tried test=${line%/)}
and i am getting location till /got/cpp/track/tmp/piy
Can anyone help me in correcting my regex (2 Replies)