10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hi,
I have the following txt file List_With_Duplicates.txt;
a,1,1
b,3,4
c,5,2
d,6,1
e,3,3
f,3,7
When I run the command
awk -F ',' '{if($2==$3){print $1","$2","$3}}' List_With_Duplicates.txt I get the following output;
a,1,1
e,3,3
This works! as I've compared the 2nd & 3rd... (7 Replies)
Discussion started by: mmab
7 Replies
2. Shell Programming and Scripting
Hi,
I am writing a script in awk trying to replace strings that are math expressions with their result.
For example, I have a file that looks like this:
5-1
32/8-1
4*12
17+1-3
I would like to get the following output:
4
3
48
15
I tried doing it the following way (using the "bc"... (8 Replies)
Discussion started by: avi.levi
8 Replies
3. Shell Programming and Scripting
Hi,
temp="/usr=25,/usr/lib=12"
How to get only dir names with out values.
I tried like below but no use.
tmp=${temp##*,}
echo $tmp
o/p:
/usr/lib=12
expected o/p:
/usr /usr/lib ---> in array (13 Replies)
Discussion started by: munna_dude
13 Replies
4. Shell Programming and Scripting
I want to extract the proper names with awk from a very long string, like: õ(k): </span><br /><a something="pls/pe/person.person?i_pers_id=3694&i_topic_id=2&i_city_id=3372&i_county_id=-1" target="_blank"><b>Gary Oldman</b></a> (George Smiley)<br /><a... (12 Replies)
Discussion started by: lyp
12 Replies
5. Shell Programming and Scripting
Hi,
I have a log file which has number of lines from that i have to grep a string like this
03:22:19,287
while greping this string i have to grep next lines to the maximum of finding the word (MORE...)
the stack is like this
*************
22/11/2011 03:22:19,287 232290646 ERROR... (2 Replies)
Discussion started by: thelakbe
2 Replies
6. Shell Programming and Scripting
Hello,
Awk seem treat the pattern as regular expression, how can awk search not using regular expression? e.g. just represent for "", not "A" or "a" . I don't want to add backslash . (2 Replies)
Discussion started by: 915086731
2 Replies
7. Shell Programming and Scripting
Hi All,
@months = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
$day=091023;
$day_combine = $day;
$day_combine =~ s/({2})({2})({2})/20$1-$months-$3/;
Instead of three lines, is possible to combine the last two lines into a single line? means no need assign $day to $day_combine... (2 Replies)
Discussion started by: jimmy_y
2 Replies
8. Shell Programming and Scripting
Hi guys,
as per subject I am having problem with regular expressions.
Example, if i got a string "javax.servlet.http.HttpServlet.service" that may occurred anywhere within a text file.
How can I used the negate pattern matching of regular expression?
I tried the below pattern but it... (4 Replies)
Discussion started by: DrivesMeCrazy
4 Replies
9. Shell Programming and Scripting
Hi there
i have a script which will create unix user accounts. Id like to validate the entered string so that it is specifically 8 characters or less and consists of only ! not
Is there a way to validate a string against a regular expression.. i.e
size=`printf "$var | wc -m`
... (1 Reply)
Discussion started by: hcclnoodles
1 Replies
10. UNIX for Dummies Questions & Answers
Hi,
I'm struggling with a regex that would match a 'b' that follows an 'a' and is at the end of a string of non-white characters. For example:
Line 1: aba abab b abb aab bab baa
I can find the right strings but I'm lacking knowledge of how to "discard" the bits that precede bs.... (2 Replies)
Discussion started by: machinogodzilla
2 Replies