awk uses 32-bit floating point numbers, its precision is not infinite. By default it prints to 6 digits, but this can be controlled by the CONVFMT variable. Hopefully this works for your need:
Hi,
I have a file "input.txt" with the following content :
5312,0,,,1,8,141.2,20090727
3714,0,,,1,8,285.87,20090727
5426,0,,,1,8,3.9,20090727
3871,0,,,1,8,30.4,20090727
9071,0,,,1,8,146.2,20090727
5141,0,,,1,8,2.8,20090727
0460,0,,,1,8,-0.1,20090727
7918,0,,,1,8,-0.1,20090727... (3 Replies)
Hello Friends,
i used awk to sum up total size of files under a directory (with the help of examples, threads here).
ls -l | awk '/^-/ {total += $5} END {printf "%15.0f\n",total}' >> total.txt
After each execution of the script total result is appended into a text file:
7010
7794
8890 ... (7 Replies)
I have a txt file as follows
Code:
Oct 1 file1 4144
Oct 1 file23 5170
Oct 2 file5 3434
Oct 21 file56 2343
I need to add a new column by marking the right log file from current directory. For example populate like this. Please not in the second columt for "1" it has... (2 Replies)
Is there anyway to use awk to add a first column to my data that automatically goes from 1 to n , where n is the numbers of my rows?:confused: (4 Replies)
Hello everyone,
I have a file with the following structure:
abc xyz 111 222
agf hjhf 787 799
tht yah 878 898
... ... ... ...
... ... ... ...
... ... ... ...
I want to add a column (with a fixed value of 1000) at the end such that it becomes:
abc xyz 111 222 1000
agf hjhf 787... (5 Replies)
Hello,
I am a newbie to linux and struggling to find a better way to append a column in a text file.
Here is the file i want to modify: It has 8 columns (and thousands of rows). I want to append the first column by adding "chr" infront of the numbers. Some rows have a string in the first... (4 Replies)
Hi All,
I have a file example.csv which looks like this
GrpID,TargetID,Signal,Avg_Num
CSCH74_1_1,2007,61,256
CSCH74_1_1,212007,647,679
CSCH74_1_1,12007,3,32
CSCH74_1_1,207,299,777
I want the output as
GrpID,TragetID,Signal-CSCH74_1_1,Avg_Num
CSCH74_1_1,2007,61,256... (4 Replies)
Hello
Im new treat me nicely, I have a headache :)
I have a script that seemed to work now it doesnt anyway, the last part is adding counts of unique items in a csv file eg
05492U34 38
05492U34 47
two columns, (many different values like this in file)
i want... (7 Replies)
Greetings!
I need a quick way to change the format in a table of data
Here is an example of the input:
10 72 Value=177 VDB=0.0245 Value4=0,0,171,0
10 274 Value=238 VDB=0.0433 Value4=29,0,205,0
10 312 Value=222 VDB=0.0384 Value4=8,0,190,19
10 540 Value=405 VDB=0.0391 Value4=13,30,153,195... (3 Replies)
Hello,
I have a data such as this:
ENSGALG00000000189 329 G A 4 2 0
ENSGALG00000000189 518 T C 5 1 0
ENSGALG00000000189 1104 G A 5 1 0
ENSGALG00000000187 3687 G T 5 1 0
ENSGALG00000000187 4533 A T 4 2 0
ENSGALG00000000233 5811 T C 4 2 0
ENSGALG00000000233 5998 C A 5 1 0
I want to... (3 Replies)
Discussion started by: Homa
3 Replies
LEARN ABOUT CENTOS
ip-ntable
IP-NTABLE(8) Linux IP-NTABLE(8)NAME
ip-ntable - neighbour table configuration
SYNOPSIS
ip [ OPTIONS ] address { COMMAND | help }
ip ntable change name NAME [ dev DEV ] PARMS
PARMS := { thresh1 VAL | thresh2 VAL | thresh3 VAL | gc_int MSEC | base_reachable MSEC | retrans MSEC | gc_stale MSEC | delay_probe MSEC |
queue LEN | app_probs VAL | ucast_probes VAL | mcast_probes VAL | anycast_delay MSEC | proxy_delay MSEC | proxy_queue LEN |
locktime MSEC }
ip ntable show [ dev DEV ] [ name NAME ]
DESCRIPTION
ip ntable controls the parameters for the neighbour tables.
ip ntable show - list the ip neighbour tables
This commands displays neighbour table parameters and statistics.
dev DEV
only list the table attached to this device.
name NAME
only lists the table with the given name.
ip ntable change - modify table parameter
This command allows modifying table parameters such as timers and queue lengths.
name NAME
the name of the table to modify.
dev DEV
the name of the device to modify the table values.
EXAMPLES
ip ntable show dev eth0
Shows the neighbour table (IPv4 ARP and IPv6 ndisc) parameters on device eth0.
ip ntable change name arp_cache queue 8 dev eth0
Changes the number of packets queued while address is being resolved from the default value (3) to 8 packets.
SEE ALSO ip(8)AUTHOR
Manpage by Stephen Hemminger
iproute2 20 Dec 2011 IP-NTABLE(8)