Re: Numbered files created in current working directory?

[Ole Tange]

On Mon, Nov 10, 2014 at 5:14 AM, Edward J. Sabol
<Edward.J.Sabol@nasa.gov> wrote:
> On Mon, Nov 10, 2014, Ole Tange wrote:
:
>> So now we need to figure out why it happens on your system but not mine.
>> We are running the same perl code, so that is not it. It is instead due
>> to something in your environment.
>
> It appears to be the version of Perl (5.8.0) parallel was trying to use on my
> system.

Good to know. One of the goals of GNU Parallel is to be very portable,
so it is a goal to be able to run on even old systems as long as it
does not compromise features on new installations. This has from time
to time caused the code to be more ugly than it would have to be if
only Perl 5.16 was supported; but the focus has always been on the
users - not the maintainer of the code.

GNU Parallel is tested before every release on Centos3 which uses perl
5.8 (exact version below). And on Centos3 I do not get the 61 files.

If you figure out what the difference is between your system and
Centos3, please feel free to update
https://savannah.gnu.org/bugs/index.php?43570 If it only takes a minor
patch to make the code run on your 5.8.0 and the patch does not break
in modern perl versions, I will likely include it.

An educated guess would be changing:

        if(open($fh,">&=",$fdno)) {

to:

        if(open($fh,">&=$fdno")) {


/Ole

Summary of my perl5 (revision 5.0 version 8 subversion 0) configuration:
  Platform:
    osname=linux, osvers=2.4.21-37.0.1.el.centos3.xfs.0smp,
archname=i386-linux-thread-multi
    uname='linux sillage.bis.pasteur.fr
2.4.21-37.0.1.el.centos3.xfs.0smp #1 smp fri jan 20 10:58:28 cet 2006
i686 athlon i386 gnulinux '
    config_args='-des -Doptimize=-O2 -g -pipe -march=i386 -mcpu=i686
-Dmyhostname=localhost -Dperladmin=root@localhost -Dcc=gcc -Dcf_by=Red
Hat, Inc. -Dinstallprefix=/usr -Dprefix=/usr -Darchname=i386-linux
-Dvendorprefix=/usr -Dsiteprefix=/usr
-Dotherlibdirs=/usr/lib/perl5/5.8.0 -Duseshrplib -Dusethreads
-Duseithreads -Duselargefiles -Dd_dosuid -Dd_semctl_semun -Di_db
-Ui_ndbm -Di_gdbm -Di_shadow -Di_syslog -Dman3ext=3pm -Duseperlio
-Dinstallusrbinperl -Ubincompat5005 -Uversiononly
-Dpager=/usr/bin/less -isr'
    hint=recommended, useposix=true, d_sigaction=define
    usethreads=define use5005threads=undef useithreads=define
usemultiplicity=define
    useperlio=define d_sfio=undef uselargefiles=define usesocks=undef
    use64bitint=undef use64bitall=undef uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='gcc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS
-DDEBUGGING -fno-strict-aliasing -I/usr/local/include
-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm',
    optimize='-O2 -g -pipe -march=i386 -mcpu=i686',
    cppflags='-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS
-DDEBUGGING -fno-strict-aliasing -I/usr/local/include
-I/usr/include/gdbm'
    ccversion='', gccversion='3.2.3 20030502 (Red Hat Linux
3.2.3-54)', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
    ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t',
lseeksize=8
    alignbytes=4, prototype=define
  Linker and Libraries:
    ld='gcc', ldflags =' -L/usr/local/lib'
    libpth=/usr/local/lib /lib /usr/lib
    libs=-lnsl -lgdbm -ldb -ldl -lm -lpthread -lc -lcrypt -lutil
    perllibs=-lnsl -ldl -lm -lpthread -lc -lcrypt -lutil
    libc=/lib/libc-2.3.2.so, so=so, useshrplib=true, libperl=libperl.so
    gnulibc_version='2.3.2'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef,
ccdlflags='-rdynamic
-Wl,-rpath,/usr/lib/perl5/5.8.0/i386-linux-thread-multi/CORE'
    cccdlflags='-fPIC', lddlflags='-shared -L/usr/local/lib'


Characteristics of this binary (from libperl):
  Compile-time options: DEBUGGING MULTIPLICITY USE_ITHREADS
USE_LARGE_FILES PERL_IMPLICIT_CONTEXT
  Locally applied patches:
        MAINT18379
  Built under linux
  Compiled at Jun 10 2006 13:23:46
  @INC:
    /usr/lib/perl5/5.8.0/i386-linux-thread-multi
    /usr/lib/perl5/5.8.0
    /usr/lib/perl5/site_perl/5.8.0/i386-linux-thread-multi
    /usr/lib/perl5/site_perl/5.8.0
    /usr/lib/perl5/site_perl
    /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi
    /usr/lib/perl5/vendor_perl/5.8.0
    /usr/lib/perl5/vendor_perl
    /usr/lib/perl5/5.8.0/i386-linux-thread-multi
    /usr/lib/perl5/5.8.0
    .