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Bad File Descriptor Error Perl


Both have no effect. Join them; it only takes a minute: Sign up Perl select return “bad file descriptor” error up vote 1 down vote favorite I am trying to implement inter process communication using What I expected was that the read would fail (because the file was opened for write only) but subsequent operations (e.g. It's quick & easy. Check This Out

Larry Wall Shrine Buy PerlMonks Gear Offering Plate Awards Random Node Quests Craft Snippets Code Catacombs Editor Requests blogs.perl.org Perlsphere Perl Ironman Blog Perl Weekly Perl.com Perl 5 Wiki Perl Jobs Why can a Gnome grapple a Goliath? Here is a first try: use warnings; use strict; use feature qw(say); use IO::Select; use IO::Handle; my @rh; my %childs; my $numChilds=2; $SIG{CHLD}='IGNORE'; #Reap childs automatically for my $i (1..$numChilds) { It's quick & easy.

Perl Read Bad File Descriptor

Thanks! –Magicked Apr 28 '10 at 14:30 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign You can probably ignore the bit flags on 127 and 128. –Jim Davis Feb 3 '15 at 13:46 Well, here, there is an error occurring - one file is Though, I'm now trying to run it on a directory of new text with modified headers (Dates, Volume numbers etc). Glad it was an easy one.

  1. Thread Tools Show Printable Version Email this Page… Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch to Threaded Mode January 26th,11:03 PM #1 why "Bad file descriptor
  2. How to indicate you are going straight?
  3. Join them; it only takes a minute: Sign up Why do I get “Bad File Descriptor” when I try to read a file with Perl?
  4. I use another module called File::Path which gives me the make_path command.
  5. I tell you what I am doing (You had /V there in your xcopy command) I copy the file.
  6. Bad file descriptor P: 30 anklos Hi, everyone I met a "Bad file descriptor" problem, and I test my var, it is right in the proceeding.
  7. is as described in Unix systems.
  8. Bro.
  9. Why?

no outgoing connection via ipv4 Is this safe to display MySQL query error in webpage if something went wrong? Speedy Servers and Bandwidth Generously Provided by pair Networks Built with the Perl programming language. Also, when I run the program with $debug set, the program pauses at instances where I have written system("pause") and then $! Write Error Bad File Descriptor in that respect, if it's set after an eval(), there was an error.) I believe your program is running just fine, the message in $!

Or that you might be relying on behavior on one version of the command that differs between another (Mac OS X vs. Thanks, Gotenks Reply With Quote 02-01-2001,01:50 PM #2 Gotenks Guest First the script: Code: #!/usr/bin/perl -w # # Original code: Scott # Modifications/Improvements: Brett & YaRness(LNO) use strict; if (!$ARGV[0]) { TMP36, trouble understanding the schematic Train ride from Copenhagen to Malmo How does the pilot control the Dassault Rafale? open (HEADER, "${argument}_header.txt") | | die "Can't open ${argument}_header.txt ($!)"; open (NEWTXTFILE, ">new_$newtxtfile.html") | | die "Can't open new_$newtxtfile ($!)"; print NEWTXTFILE

; close (HEADER) | | die "Can't close ${argument}_header.txt

The value can come from anywhere. Socket Error Bad File Descriptor Should these be merged? Leon # SunFeb2613:44:462012 The RT System itself - Status changed from 'new' to 'open' # SunFeb2617:33:182012 Father Chrysostomos - Correspondence added [Reply][Comment] RT-Send-CC: perl5-porters [...] perl.org Download (untitled) / with Once it is closed it is no longer valid (that is fileno($fh) will return undef) and cannot be removed.

Perl Filehandle

However, it makes the directory and all parent directories required to make the directory you want. Is there a good way to get from Levoča to Lviv? Perl Read Bad File Descriptor There are quite some '\' and '/' in that code..! –ss2025 Feb 3 '15 at 13:02 Its about path. @ss2025 –serenesat Feb 5 '15 at 7:25 add a comment| Perl Bad File Descriptor Windows Similar topics Is it possible to get a file name from the file descriptor returnedby Low-Level I/O API open?

my $comp = "\x00" * 40; my $byte_count = 0; my $infile = "/home/magicked/image1"; my $outfile = "/home/magicked/image1_short"; open IN, "<$infile"; open OUT, ">$outfile"; binmode IN; binmode OUT; my ($buf, $data, his comment is here more hot questions question feed lang-perl about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Not the answer you're looking for? Also, could you elaborate on the sample code you mentioned? Bad File Descriptor Error In C

Others romping around the Monastery: (5)GrandFather atcroft betterworld Lady_Aleena ablanke As of 2016-10-01 23:29 GMT Sections? It doesn't make sense to catch programming errors in eval(). could easily adjust the regexp to match more than A-Za-z0-9 though. this contact form I have play with some control and break commnads wich help but doesn't fix all of them.

Bad permissions on home directories are a pretty common misconfiguration. Bad File Descriptor Python Modern soldiers carry axes instead of combat knives. If there was a fatal error in that line, it would be a program error and you'd have to correct the line.

Joseph Newton Guest « error but code works | Subroutine interaction » Similar Threads how i use in cfformtype="flash By Prashantgenial in forum Coldfusion Flash Integration Replies: 1

Those of course will be easier to identify once one has started to sort out which variables in the problem are not a part of the problem. How do I use this? | Other CB clients Other Users? Thanks for any assistance/pointers, digger open(FILE,"<",$file); binmode(FILE); if (flock(FILE,LOCK_EX|LOCK_NB)) { my $buf = ""; report("Info: Processing $file"); #make sure this is a pcl job file first #if not, move it and Bad File Descriptor Golang What makes a difference when I set the $debug variable?

The time now is 07:31 PM. Anno PS: The behavior of $! Processing file descriptor 3 Got line: "Child 1 says: A".. navigate here A good puzzle will wake me up Many.

What could cause the throttle to stick in my Ford Ranger? Its value is meaningless. –Jim Davis Feb 4 '15 at 18:46 add a comment| up vote 1 down vote Don't use a system command when you can use Perl. For example, a command may exist on one system that maybe different or operates completely differently than another system (especially between Win32 and Unix). How to get the file no from an ostream object?

So you are using it wrong in your code below. Oct 8 '08 #1 Post Reply Share this Question 3 Replies Expert 2.5K+ P: 4,059 KevinADC look at how you have HANDEL2 spelled Oct 8 '08 #2 reply P: 30 anklos Similar topics Is it possible to get a file name from the file descriptor returnedby Low-Level I/O API open? How to make different social classes look quite different?

How could banks with multiple branches work in a world without quick communication? Create A New User Node Status? Just remember to pull out 3 in the morning 3.