$
$
$ cat f33
ATOM 2517 O VAL 160 8.337 12.679 -2.487
ATOM 2518 OXT VAL 160 7.646 12.461 -0.386
TER
ATOM 2519 N VAL 161 -14.431 5.789 -25.371
ATOM 2520 H1 VAL 161 -15.336 5.698 -25.811
ATOM 2521 H2 VAL 161 -13.416 10.529 17.708
ATOM 2522 H3 VAL 161 -14.363 9.436 18.498
ATOM 2523 CA VAL 161 4.400 9.233 16.454
ATOM 2524 HA VAL 161 3.390 9.170 16.047
$
$
$
$ perl -lne 'if (/^TER/) {$i++}
elsif (defined $i and $i<6) {$i++; print if $i==2}
else {print $prev};
$prev=$_;
END {print $prev}' f33ATOM 2517 O VAL 160 8.337 12.679 -2.487
ATOM 2519 N VAL 161 -14.431 5.789 -25.371
ATOM 2523 CA VAL 161 4.400 9.233 16.454
ATOM 2524 HA VAL 161 3.390 9.170 16.047
$
$
$
tyler_durden
This User Gave Thanks to durden_tyler For This Post:
In perl I want to do remove the top line of my input file then process the next line. I want to do something like
head -1 inputfile > temp
grep -v temp inputfile > newinputfile
cp newinputfile inputfle
is this possible in perl? (3 Replies)
I have a matrix , how do I compare all the elements of a column , lets say I want to check if the columns contain the alphabets "S","H","A","R","A","T".
and not "X"s.
Lets say matrix looks something like this ..
SSSXSH
HHXXHA
AAXXAT
RRRXRS
AAXTAR
TTTTTA
I can hard code it where... (4 Replies)
Hello,
I have a file that lists a few hundred values.
Example:
abca
abcb
abcc
abcd
I have a 2nd file with a few thousand lines. I need to remove every line from the 2nd file that contains any of the values listed in first file.
Example of strings to delete:
line1 *abca* end of... (1 Reply)
Hi Folks,
The subject is my question:
Can we pass an array of strings from a Perl Program to a Shell Script?
Please provide some sample code.
Thanks
---------- Post updated at 11:52 PM ---------- Previous update was at 11:43 PM ----------
I got it.
Its here:... (0 Replies)
Dear all,
I have a variable called $abc, which the value is something like below,
*** *********** : *****
where * can be anything. I need to remove all but the final characters until last whitespace.
example
grd groupstudy : tutor6/7
becomes tutor6/7
something like
if... (2 Replies)
HI all,
These are examples of the original value from a variable
$abc can be
FastEthernet1/0
GigabitEthernet3/1
Serial1/0
If $abc is FastEthernet*/* (where * can be any number), replace $abc value to fa*/* (same number as the original value). GigabitEthernet becomes ga*/* and Serial... (2 Replies)
Hello,
I have a huge file of over 2,00,00,00 strings in UTF8 format. I have managed to write a script in Perl which sorts them neatly as per their Unicode ranges.
However I am now stuck with a script which will pipe out all strings between 3 and 20 letters/characters. I am not very good at... (2 Replies)
Hi folks,
I have a log file in the below format and trying to get the output of the unique ones based on mnemonic IN PERL.
Could any one please let me know with the code and the logic ?
Severity Mnemonic Log Message
7 CLI_SCHEDULER Logfile for scheduled CLI... (3 Replies)
Perl script to merge cells
---------- Post updated at 12:59 AM ---------- Previous update was at 12:54 AM ----------
I am using below code to read files from a dir and print to excel.
open(my $in, '<', $file) or die "Could not open file: $!";
my $rowCount = 0;
my $colCount = 0;... (11 Replies)
Hi team,
I'm a newbie of Perl Script and looking to create a simple perl script that will run in the Linux system:
1) to find process, such as ps -ef | grep process name
2) to exclude strings from the output if it found, for instance if i see abc from usr process, then will exclude it from... (1 Reply)
Discussion started by: hoffman2503
1 Replies
LEARN ABOUT DEBIAN
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)