01-03-2020
You are right, that "feature" should not be taken for granted, but both my linux and FreeBSD versions have it. Still your caveat can / should be kept in mind.
This User Gave Thanks to RudiC For This Post:
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I want to print between the range two patterns if a particular pattern is present in between the two patterns. I am new to Unix. Any help would be greatly appreciated.
e.g.
Pattern1
Bombay
Calcutta
Delhi
Pattern2
Pattern1
Patna
Madras
Gwalior
Delhi
Pattern2
Pattern1... (2 Replies)
Discussion started by: joyan321
2 Replies
2. UNIX for Dummies Questions & Answers
Hello everyone. I'm new to the boards, I hope I can get and possibly give some help through these forums.
I need some help.
I have two CSV files, let's call them File A and File B.
This is the structure for File A:
ID, VAR1, VAR2, VAR3 - VAR50 (where the VAR 1-VAR50 are either 0 or 1)
... (1 Reply)
Discussion started by: JWill
1 Replies
3. Shell Programming and Scripting
Hi;
For sure there's an easy answer to this one that I am not finding..
I first set a variable, say
b1a:] max=5
then I want to use max to set the range for a for loop like so (it should run for i in 1:5)
b1a:] for i in {1..$max}; do echo $i; done
{1..5}
I would like the output... (2 Replies)
Discussion started by: jbr950
2 Replies
4. UNIX for Dummies Questions & Answers
Dear all,
I have a file lik below: n of row=420, n of letters in each row=100000 like below: there is no space between the letters.
what I want is: the 75000th letter to the 85000th letter in each row.
how to do that? thanks a lot!
... (2 Replies)
Discussion started by: forevertl
2 Replies
5. Shell Programming and Scripting
The following is part of a larger project and sed is (right now) a given. I am working on a recursive Korn shell function to "peel off" XML tags from a larger text. Just for context i will show the complete function (not working right now) here:
function pGetXML
{
typeset chTag="$1"
typeset... (5 Replies)
Discussion started by: bakunin
5 Replies
6. Shell Programming and Scripting
hi all,
Say i have a range like 0 - 1000 and i need to split into diffrent files the lines which are within a specific fixed sub-range. I can achieve this manually but is not scalable if the range increase.
E.g
cat file1.txt
Response time 2 ms
Response time 15 ms
Response time 101... (12 Replies)
Discussion started by: varu0612
12 Replies
7. UNIX for Dummies Questions & Answers
Hi. I have a large data file. the first column has unique identifiers. I have approximately 5 of these files and they have varying number of columns in their rows. I need to extract ~300 of the rows in to a separate file. I'm not looking for something that would do all 5 files at once, but... (7 Replies)
Discussion started by: kadm
7 Replies
8. Shell Programming and Scripting
I have files being generated in format A20140326.00........ to A20140326.24.............
I need to copy these hourly basis from one location to another.
Eg. If i copy from 14 to 19 the hour, I use wildcard as A201403226.1*.
Requirement is : I need to copy from 06 hour and wil run the script... (1 Reply)
Discussion started by: Saidul
1 Replies
9. Red Hat
In my Linux system ephemeral port range is showing different ranges as follows
$ cat /proc/sys/net/ipv4/ip_local_port_range
32768 61000
cat /etc/sysctl.conf | grep net.ipv4.ip_local_port_range
net.ipv4.ip_local_port_range = 9000 65500
Which will be the effective ephemeral port... (5 Replies)
Discussion started by: steephen
5 Replies
10. Shell Programming and Scripting
Input File:
2000 3
1998 2
1997 2
1994 1
1991 1
1989 1
1987 2
1986 2
1985 1
1984 1
.
.
10 277256
9 278274
8 282507
7 284837
6 287066
5 292967 (4 Replies)
Discussion started by: perl_beginner
4 Replies
LEARN ABOUT X11R4
perlfreebsd
PERLFREEBSD(1) Perl Programmers Reference Guide PERLFREEBSD(1)
NAME
README.freebsd - Perl version 5 on FreeBSD systems
DESCRIPTION
This document describes various features of FreeBSD that will affect how Perl version 5 (hereafter just Perl) is compiled and/or runs.
FreeBSD core dumps from readdir_r with ithreads
When perl is configured to use ithreads, it will use re-entrant library calls in preference to non-re-entrant versions. There is a bug in
FreeBSD's "readdir_r" function in versions 4.5 and earlier that can cause a SEGV when reading large directories. A patch for FreeBSD libc
is available (see http://www.freebsd.org/cgi/query-pr.cgi?pr=misc/30631 ) which has been integrated into FreeBSD 4.6.
$^X doesn't always contain a full path in FreeBSD
perl 5.8.0 sets $^X where possible to a full path by asking the operating system. On FreeBSD the full path of the perl interpreter is found
by reading the symlink /proc/curproc/file. There is a bug on FreeBSD, where the result of reading this symlink is can be wrong in certain
circumstances (see http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 ). In these cases perl will fall back to the old behaviour of using
C's argv[0] value for $^X.
Perl will no longer be part of "base FreeBSD"
Not as bad as it sounds--what this means is that Perl will no longer be part of the kernel build system of FreeBSD. Perl will still very
probably be part of the "default install", and in any case the latest version will be in the ports system. The first FreeBSD version this
change will affect is 5.0, all 4.n versions will keep the status quo.
AUTHOR
Nicholas Clark <nick@ccl4.org>, collating wisdom supplied by Slaven Rezic and Tim Bunce.
Please report any errors, updates, or suggestions to perlbug@perl.org.
perl v5.8.9 2007-11-17 PERLFREEBSD(1)