07-20-2013
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello,
I have a big data file (160 MB) full of records with pipe(|) delimited those fields. I`m sorting the file on the first field.
I'm trying to sort with "sort" command and it brings me 6 minutes.
I have tried with some transformation methods in perl but it results "Out of memory". I was... (2 Replies)
Discussion started by: rubber08
2 Replies
2. Shell Programming and Scripting
Hi Experts,
I want to Sort the data in fixed width file where i have Header and Footer also in file.
I m using below commad to do the sort based on field satarting from 15 position to 17 position , but it is not ignoring the Header and Footer of the file while sorting. In the output i am... (5 Replies)
Discussion started by: sasikari
5 Replies
3. Shell Programming and Scripting
cat file1.txt
field1 "user1":
field2:"data-cde"
field3:"data-pqr"
field4:"data-mno"
field1 "user1":
field2:"data-dcb"
field3:"data-mxz"
field4:"data-zul"
field1 "user2":
field2:"data-cqz"
field3:"data-xoq"
field4:"data-pos"
Now i need to have the date like below.
i have just... (7 Replies)
Discussion started by: ckaramsetty
7 Replies
4. Shell Programming and Scripting
Hi. I am not sure the title gives an optimal description of what I want to do. Also, I tried to post this in the "UNIX for Dummies Questions & Answers", but it seems no-one was able to help out.
I have several text files that contain data in many columns. All the files are organized the same... (14 Replies)
Discussion started by: JamesT
14 Replies
5. Shell Programming and Scripting
Hi! All
I am just wondering solution to use FS if file fields are separated by whitespace (one or more spaces ), tab and comma, How to use FS ?
finally I want to print all columns as tab separated
look at my file here tagged
130, US 121337 30.530 -58.900 1941 1 25 19.50 ... (5 Replies)
Discussion started by: Akshay Hegde
5 Replies
6. Shell Programming and Scripting
Hi all,
I am new to AWK and I am trying to solve a problem that is probably easy for an expert. Suppose I have the following data file input.txt:
20 35 43
20 23 54
20 62 21
20.5 43 12
20.5 33 11
20.5 89 87
21 33 20
21 22 21
21 56 87
I want to select from all lines having the... (4 Replies)
Discussion started by: naska
4 Replies
7. Shell Programming and Scripting
Greetings
I have a file formatted like this:
rhino grey weight=1003;height=231;class=heaviest;histology=9,0,0,8
bird white weight=23;height=88;class=light;histology=7,5,1,0,0
turtle green weight=40;height=9;class=light;histology=6,0,2,0... (2 Replies)
Discussion started by: Twinklefingers
2 Replies
8. Shell Programming and Scripting
Hello,
I'm trying to sort a large data file by the 3rd column so that all of the first words in the 3rd column that are in all uppercase appear before (or after) the non uppercase words. For example,
Data file:
xxx 12345 Rat in the house
xxx 12345 CAT in the hat
xxx 12345 Dog in the... (4 Replies)
Discussion started by: palex
4 Replies
9. Shell Programming and Scripting
I have to sort below output in text file in unix bash
20170308
DA,I,113
20170308
PM,I,123
20170308
DA,U,22
20170308
PM,U,123
20170309
DA,I,11
20170309
PM,I,23
20170309
DA,U,123
20170309
PM,U,233 (8 Replies)
Discussion started by: Adfire
8 Replies
10. Shell Programming and Scripting
I have a string of pre defined ip address list which will always remain constant their order will never change like in below sample:
iplist=8.8.5.19,9.7.5.14,12.9.9.23,8.8.8.14,144.1.113
In the above example i m considering only 5 ips but there could be many more.
Now i have a file which... (15 Replies)
Discussion started by: mohtashims
15 Replies
fddist(1m) USER COMMANDS fddist(1m)
NAME
fddist - file descriptor usage distributions. Uses DTrace.
SYNOPSIS
fddist [-r|-w]
DESCRIPTION
This prints distributions for read and write events by file descriptor, by process. This can be used to determine which file descriptor a
process is doing the most I/O with.
Since this uses DTrace, only users with root privileges can run this command.
OPTIONS
-r reads only
-w writes only
EXAMPLES
Sample both read and write activity,
# fddist
Sample reads only,
# fddist -r
FIELDS
EXEC process name
PID process ID
value file descriptor
count number of events
BASED ON
/usr/demo/dtrace/lquantize.d
DOCUMENTATION
DTrace Guide "Aggregations" chapter (docs.sun.com)
See the DTraceToolkit for further documentation under the Docs directory. The DTraceToolkit docs may include full worked examples with ver-
bose descriptions explaining the output.
EXIT
fddist will sample until Ctrl-C is hit.
SEE ALSO
dtrace(1M)
version 0.70 Jun 08, 2005 fddist(1m)