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Amiga Magazin: Amiga-CD 1996 July
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AMIGA_1996_7.BIN
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ausgabe_7_96
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pd-programmierung
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perl5_002bin.lha
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bin
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perlbug
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1996-03-27
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#!/gnu/bin/perl
eval 'exec perl -S $0 "$@"'
if 0;
use Config;
use Getopt::Std;
BEGIN {
eval "use Mail::Send;";
$::HaveSend = ($@ eq "");
eval "use Mail::Util;";
$::HaveUtil = ($@ eq "");
};
use strict;
sub paraprint;
my($Version) = "1.12";
# Changed in 1.06 to skip Mail::Send and Mail::Util if not available.
# Changed in 1.07 to see more sendmail execs, and added pipe output.
# Changed in 1.08 to use correct address for sendmail.
# Changed in 1.09 to close the REP file before calling it up in the editor.
# Also removed some old comments duplicated elsewhere.
# Changed in 1.10 to run under VMS without Mail::Send; also fixed
# temp filename generation.
# Changed in 1.11 to clean up some text and removed Mail::Send deactivator.
# Changed in 1.12 to check for editor errors, make save/send distinction
# clearer and add $ENV{REPLYTO}.
# TODO: Allow the user to re-name the file on mail failure, and
# make sure failure (transmission-wise) of Mail::Send is
# accounted for.
my( $file, $cc, $address, $perlbug, $testaddress, $filename,
$subject, $from, $verbose, $ed,
$fh, $me, $Is_VMS, $msg, $body, $andcc );
Init();
if($::opt_h) { Help(); exit; }
if($::opt_d or !-t STDOUT) { Dump(*STDOUT); exit; }
Query();
Edit();
NowWhat();
Send();
exit;
sub Init {
# -------- Setup --------
$Is_VMS = $::Config{'osname'} eq 'VMS';
getopts("dhva:s:b:f:r:e:SCc:t");
# This comment is needed to notify metaconfig that we are
# using the $perladmin, $cf_by, and $cf_time definitions.
# -------- Configuration ---------
# perlbug address
$perlbug = 'perlbug@perl.com';
# Test address
$testaddress = 'perlbug-test@perl.com';
# Target address
$address = $::opt_a || ($::opt_t ? $testaddress : $perlbug);
# Possible administrator addresses, in order of confidence
# (Note that cf_email is not mentioned to metaconfig, since
# we don't really want it. We'll just take it if we have to.)
$cc = ($::opt_C ? "" : (
$::opt_c || $::Config{perladmin} || $::Config{cf_email} || $::Config{cf_by}
));
# Users address, used in message and in Reply-To header
$from = $::opt_r || "";
# Include verbose configuration information
$verbose = $::opt_v || 0;
# Subject of bug-report message
$subject = $::opt_s || "";
# File to send as report
$file = $::opt_f || "";
# Body of report
$body = $::opt_b || "";
# Editor
$ed = ($::opt_f ? "file" : (
$::opt_e || $ENV{VISUAL} || $ENV{EDITOR} || $ENV{EDIT} ||
($Is_VMS ? "edit/tpu" : "vi")
));
# My username
$me = getpwuid($<);
}
sub Query {
# Explain what perlbug is
paraprint <<EOF;
This program allows you to create a bug report,
which will be sent as an e-mail message to $address
once you have filled in the report.
EOF
# Prompt for subject of message, if needed
if(! $subject) {
paraprint <<EOF;
First of all, please provide a subject for the
message. It should be as a concise description of
the bug as is possible.
EOF
print "Subject: ";
$subject = <>;
chop $subject;
my($err)=0;
while( $subject =~ /^\s*$/ ) {
print "\nPlease enter a subject: ";
$subject = <>;
chop $subject;
if($err++>5) {
die "Aborting.\n";
}
}
}
# Prompt for return address, if needed
if( !$from) {
# Try and guess return address
my($domain);
if($::HaveUtil) {
$domain = Mail::Util::maildomain();
} elsif ($Is_VMS) {
require Sys::Hostname;
$domain = Sys::Hostname::hostname();
} else {
$domain = `hostname`.".".`domainname`;
$domain =~ s/[\r\n]+//g;
}
my($guess);
if( !$domain) {
$guess = "";
} elsif ($Is_VMS && !$::Config{'d_has_sockets'}) {
$guess = "$domain\:\:$me";
} else {
$guess = "$me\@$domain" if $domain;
$guess = "$me\@unknown.addresss" unless $domain;
}
$guess = $ENV{'REPLYTO'} if defined($ENV{'REPLYTO'});
$guess = $ENV{"REPLY-TO"} if defined($ENV{'REPLY-TO'});
if( $guess ) {
paraprint <<EOF;
Your e-mail address will be useful if you need to be contacted. If the
default shown is not your full internet e-mail address, please correct it.
EOF
} else {
paraprint <<EOF;
So that you may be contacted if necessary, please enter
your full internet e-mail address here.
EOF
}
print "Your address [$guess]: ";
$from = <>;
chop $from;
if($from eq "") { $from = $guess }
}
#if( $from =~ /^(.*)\@(.*)$/ ) {
# $mailname = $1;
# $maildomain = $2;
#}
if( $from eq $cc or $me eq $cc ) {
# Try not to copy ourselves
$cc = "yourself";
}
# Prompt for administrator address, unless an override was given
if( !$::opt_C and !$::opt_c ) {
paraprint <<EOF;
A copy of this report can be sent to your local
perl administrator. If the address is wrong, please
correct it, or enter 'none' or 'yourself' to not send
a copy.
EOF
print "Local perl administrator [$cc]: ";
my($entry) = scalar(<>);
chop $entry;
if($entry ne "") {
$cc = $entry;
if($me eq $cc) { $cc = "" }
}
}
if($cc =~ /^(none|yourself|myself|ourselves)$/i) { $cc = "" }
$andcc = " and $cc" if $cc;
# Prompt for editor, if no override is given
if(! $::opt_e and ! $::opt_f and ! $::opt_b) {
paraprint <<EOF;
Now you need to supply the bug report. Try to make
the report concise but descriptive. Include any
relevant detail. Some information about your local
perl configuration will automatically be included
at the end of the report.
You will probably want to use an editor to enter
the report. If "$ed" is the editor you want
to use, then just press Enter, otherwise type in
the name of the editor you would like to use.
If you would like to use a prepared file, type
"file", and you will be asked for the filename.
EOF
print "Editor [$ed]: ";
my($entry) =scalar(<>);
chop $entry;
if($entry ne "") {
$ed = $entry;
}
}
# Generate scratch file to edit report in
{
my($dir) = $Is_VMS ? 'sys$scratch:' : '/tmp/';
$filename = "bugrep0$$";
$filename++ while -e "$dir$filename";
$filename = "$dir$filename";
}
# Prompt for file to read report from, if needed
if( $ed eq "file" and ! $file) {
paraprint <<EOF;
What is the name of the file that contains your report?
EOF
print "Filename: ";
my($entry) = scalar(<>);
chop($entry);
if(!-f $entry or !-r $entry) {
print "\n\nUnable to read from `$entry'.\nExiting.\n";
exit;
}
$file = $entry;
}
# Generate report
open(REP,">$filename");
print REP <<EOF;
This is a bug report for perl from $from,
generated with the help of perlbug $Version running under perl $].
EOF
if($body) {
print REP $body;
} elsif($file) {
open(F,"<$file") or die "Unable to read report file: $!\n";
while(<F>) {
print REP $_
}
close(F);
} else {
print REP "[Please enter your report here]\n";
}
Dump(*REP);
close(REP);
}
sub Dump {
local(*OUT) = @_;
print OUT <<EOF;
Site configuration information for perl $]:
EOF
if( $::Config{cf_by} and $::Config{cf_time}) {
print OUT "Configured by $::Config{cf_by} at $::Config{cf_time}.\n\n";
}
print OUT Config::myconfig;
if($verbose) {
print OUT "\nComplete configuration data for perl $]:\n\n";
my($value);
foreach (sort keys %::Config) {
$value = $::Config{$_};
$value =~ s/'/\\'/g;
print OUT "$_='$value'\n";
}
}
}
sub Edit {
# Edit the report
tryagain:
if(!$file and !$body) {
my($sts) = system("$ed $filename");
if( $Is_VMS ? !($sts & 1) : $sts ) {
#print "\nUnable to run editor!\n";
paraprint <<EOF;
The editor you chose (`$ed') could apparently not be run!
Did you mistype the name of your editor? If so, please
correct it here, otherwise just press Enter.
EOF
print "Editor [$ed]: ";
my($entry) =scalar(<>);
chop $entry;
if($entry ne "") {
$ed = $entry;
goto tryagain;
} else {
paraprint <<EOF;
You may want to save your report to a file, so you can edit and mail it
yourself.
EOF
}
}
}
}
sub NowWhat {
# Report is done, prompt for further action
if( !$::opt_S ) {
while(1) {
paraprint <<EOF;
Now that you have completed your report, would you like to send
the message to $address$andcc, display the message on
the screen, re-edit it, or cancel without sending anything?
You may also save the message as a file to mail at another time.
EOF
print "Action (Send/Display/Edit/Cancel/Save to File): ";
my($action) = scalar(<>);
chop $action;
if( $action =~ /^(f|sa)/i ) { # <F>ile/<Sa>ve
print "\n\nName of file to save message in [perlbug.rep]: ";
my($file) = scalar(<>);
chop $file;
if($file eq "") { $file = "perlbug.rep" }
open(FILE,">$file");
open(REP,"<$filename");
print FILE "To: $address\nSubject: $subject\n";
print FILE "Cc: $cc\n" if $cc;
print FILE "Reply-To: $from\n" if $from;
print FILE "\n";
while(<REP>) { print FILE }
close(REP);
close(FILE);
print "\nMessage saved in `$file'.\n";
exit;
} elsif( $action =~ /^(d|l|sh)/i ) { # <D>isplay, <L>ist, <Sh>ow
# Display the message
open(REP,"<$filename");
while(<REP>) { print $_ }
close(REP);
} elsif( $action =~ /^s/i ) { # <S>end
# Send the message
last;
} elsif( $action =~ /^[er]/i ) { # <E>dit, <R>e-edit
# edit the message
Edit();
#system("$ed $filename");
} elsif( $action =~ /^[qc]/i ) { # <C>ancel, <Q>uit
1 while unlink($filename); # remove all versions under VMS
print "\nCancelling.\n";
exit(0);
}
}
}
}
sub Send {
# Message has been accepted for transmission -- Send the message
if($::HaveSend) {
$msg = new Mail::Send Subject => $subject, To => $address;
$msg->cc($cc) if $cc;
$msg->add("Reply-To",$from) if $from;
$fh = $msg->open;
open(REP,"<$filename");
while(<REP>) { print $fh $_ }
close(REP);
$fh->close;
} else {
if ($Is_VMS) {
if ( ($address =~ /@/ and $address !~ /^\w+%"/) or
($cc =~ /@/ and $cc !~ /^\w+%"/) ){
my($prefix);
foreach (qw[ IN MX SMTP UCX PONY WINS ],'') {
$prefix = "$_%",last if $ENV{"MAIL\$PROTOCOL_$_"};
}
$address = qq[${prefix}"$address"] unless $address =~ /^\w+%"/;
$cc = qq[${prefix}"$cc"] unless !$cc || $cc =~ /^\w+%"/;
}
$subject =~ s/"/""/g; $address =~ s/"/""/g; $cc =~ s/"/""/g;
my($sts) = system(qq[mail/Subject="$subject" $filename. "$address","$cc"]);
if (!($sts & 1)) { die "Can't spawn off mail\n\t(leaving bug report in $filename): $sts\n;" }
} else {
my($sendmail) = "";
foreach (qw(/usr/lib/sendmail /usr/sbin/sendmail /usr/ucblib/sendmail))
{
$sendmail = $_, last if -e $_;
}
paraprint <<"EOF" and die "\n" if $sendmail eq "";
I am terribly sorry, but I cannot find sendmail, or a close equivalent, and
the perl package Mail::Send has not been installed, so I can't send your bug
report. We apologize for the inconveniencence.
So you may attempt to find some way of sending your message, it has
been left in the file `$filename'.
EOF
open(SENDMAIL,"|$sendmail -t");
print SENDMAIL "To: $address\n";
print SENDMAIL "Subject: $subject\n";
print SENDMAIL "Cc: $cc\n" if $cc;
print SENDMAIL "Reply-To: $from\n" if $from;
print SENDMAIL "\n\n";
open(REP,"<$filename");
while(<REP>) { print SENDMAIL $_ }
close(REP);
close(SENDMAIL);
}
}
print "\nMessage sent.\n";
1 while unlink($filename); # remove all versions under VMS
}
sub Help {
print <<EOF;
A program to help generate bug reports about perl5, and mail them.
It is designed to be used interactively. Normally no arguments will
be needed.
Usage:
$0 [-v] [-a address] [-s subject] [-b body | -f file ]
[-r returnaddress] [-e editor] [-c adminaddress | -C] [-S] [-t]
Simplest usage: run "$0", and follow the prompts.
Options:
-v Include Verbose configuration data in the report
-f File containing the body of the report. Use this to
quickly send a prepared message.
-S Send without asking for confirmation.
-a Address to send the report to. Defaults to `$address'.
-c Address to send copy of report to. Defaults to `$cc'.
-C Don't send copy to administrator.
-s Subject to include with the message. You will be prompted
if you don't supply one on the command line.
-b Body of the report. If not included on the command line, or
in a file with -f, you will get a chance to edit the message.
-r Your return address. The program will ask you to confirm
this if you don't give it here.
-e Editor to use.
-t Test mode. The target address defaults to `$testaddress'.
-d Data mode (the default if you redirect or pipe output.)
This prints out your configuration data, without mailing
anything. You can use this with -v to get more complete data.
EOF
}
sub paraprint {
my @paragraphs = split /\n{2,}/, "@_";
print "\n\n";
for (@paragraphs) { # implicit local $_
s/(\S)\s*\n/$1 /g;
write;
print "\n";
}
}
format STDOUT =
^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< ~~
$_
.