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#!/usr/bin/perl -w
use Getopt::Std;
use File::Basename;
use Cwd qw(abs_path getcwd);
our $prg = $0;
$prg =~ s:(.*)/::;
$0 = "$prg @ARGV";
$| = 1;
$usage = "$prg: fex new created or modified files
usage: $prg [-v] [-n] [-a] [-A] [-t NAME] [-k DAYS] [-w SECONDS] [RECIPIENT]
options:
-v verbose mode
-n do not send notification email
-a also fex files where attributes have been modified
-A fex ALL files, not only new ones
-t use transport NAME, must have suffix .tar .tgz or .zip
-k keep DAYS on server (default: 1)
-w wait SECONDS to collect new files (default: 10)
example:
$prg -v -a framstag\@rus.uni-stuttgart.de
";
$ENV{FUA} = 'autofex';
$opt_h = $opt_v = $opt_n = $opt_a = $opt_A = 0;
$opt_k = 1;
$opt_w = 10;
$opt_t = basename(getcwd()).'.tar';
getopts('hvnaAt:w:k:') or die $usage;
if ($opt_h) {
print $usage;
exit;
}
$wait = 10;
$wait = $1 if $opt_w =~ /^(\d+)$/;
$keep = 1;
$keep = $1 if $opt_k =~ /^(\d+)$/;
$lsof = searchpath('lsof') or die "$prg: lsof not installed\n";
$inotify = searchpath('inotifywait') or die "$prg: inotifywait not installed\n";
$inotify .= ' -qmr -e close_write -e moved_to -e create -e modify';
$inotify .= ' -e attrib' if $opt_a;
@fexsend = ('fexsend');
push @fexsend,'-k',$keep;
push @fexsend,'-n' if $opt_n;
$recipient = join(',',@ARGV) || '.';
if ($opt_t !~ /\.(tar|tgz|zip)$/) {
die "$prg: transport name must have suffix .tar .tgz or .zip\n";
}
print "\$ $inotify .\n" if $opt_v;
open $inotify,"$inotify . |" or die "$prg: cannot run inotifywait - $!\n";
$SIG{ALRM} = \&fexsend;
%files = ();
while (<$inotify>) {
alarm($wait);
print if $opt_v;
chomp;
if (s/ (CREATE|CLOSE|MOVE|ATTRIB)[_,A-Z]* //) {
unless ($files{$_}) {
if ((@s = lstat) and $s[3]>1) {
my $find = "find . -xdev -type f -inum $s[1]";
print "\$ $find\n" if $opt_v;
if (open my $find,"$find 2>/dev/null|") {
while (<$find>) {
chomp;
$files{$_}++;
}
close $find;
}
} else {
$files{$_}++;
}
}
}
if ($opt_v and %files) {
kill 9,$spid if $spid;
local $SIG{CHLD} = 'IGNORE';
$spid = fork();
if (defined $spid and $spid == 0) {
for (my $i = $wait; $i; $i--) {
printf "%3d\r",$i;
sleep 1;
}
exit;
}
}
}
sub fexsend {
local $_;
my @files = keys %files;
if (@files and @files = grep { -r or -l } sort(@files)) {
print "\r";
my @fexsend = @fexsend;
my $archive = $opt_t;
if ($opt_A) {
my @wof = ();
if ($lsof) {
if (open my $lsof,"$lsof +D . 2>/dev/null|") {
while (<$lsof>) {
if (/^\S+\s+\d+\s+\S+\s+\d+w\w*\s+(\S+\s+){4}(.+)/) {
push @wof,$2;
}
}
close $lsof;
}
}
push @fexsend,('-#',join('#',@wof)) if @wof;
@files = ('.');
} else {
my @d = localtime time;
my $t = sprintf('%d%02d%02d_%02d%02d%02d',
$d[5]+1900,$d[4]+1,$d[3],$d[2],$d[1],$d[0]);
$archive =~ s/(\.\w+)$/_$t$1/;
@files = map { s:^\./::;$_ } @files;
}
push @fexsend,('-A',$archive,@files,$recipient);
print "\$ @fexsend\n" if $opt_v;
system(@fexsend);
print "\n";
}
%files = ();
};
sub searchpath {
my ($prg,$path,@PATH);
@PATH = split(':',$ENV{PATH});
foreach $prg (@_) {
foreach $path (@PATH) {
return $prg if -x "$path/$prg";
}
}
return '';
}
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