Re: bold print to a FH
- From: daggerquill@xxxxxxxxx (Jay Savage)
- Date: Thu, 26 May 2005 17:54:02 -0400
On 5/26/05, DBSMITH@xxxxxxxxxxxxxx <DBSMITH@xxxxxxxxxxxxxx> wrote:
> the code
>
> print MU color 'bold', "BLAH BLAH BLAH \n";
>
> is not working with error:
>
>
> Uncaught exception from user code:
> Invalid attribute name media at disk_cache-tape_slot-usage.pl line
> 45
> Carp::croak('Invalid attribute name media') called at
> /usr/perl5/5.6.1/lib/Term/ANSIColor.pm line 119
> Term::ANSIColor::color('bold', 'Media Usage Key for all ASM
> clients:', ' ', '17:35 05/26/05^J') called at
> disk_cache-tape_slot-usage.pl line 45
> main::mediausage() called at disk_cache-tape_slot-usage.pl line
>
>
>
> Jay Savage
> <daggerquill@gmai
> l.com> To
> "DBSMITH@xxxxxxxxxxxxxx"
> 05/26/2005 05:03 <DBSMITH@xxxxxxxxxxxxxx>
> PM cc
> beginners@xxxxxxxx
> Subject
> Please respond to Re: bold print to a FH
> Jay Savage
> <daggerquill@gmai
> l.com>
>
>
>
>
>
>
>
> On 5/26/05, DBSMITH@xxxxxxxxxxxxxx <DBSMITH@xxxxxxxxxxxxxx> wrote:
> > All,
> >
> > I want to have bold print of a Title but it is not working. Here is my
> > code:
> >
> > require 5.6.1;
> >
> > use strict;
> > use warnings;
> > use diagnostics;
> > use MIME::Lite;
> > use Term::ANSIColor;
> > use Logfile::Rotate;
> > $^T=time;
> > our $now = time();
> > our $tapes = qq(/var/tmp/volrpt.log);
> > our $mt = (stat("$tapes"))[9];
> > our $tsl = qq(/var/tmp/tapefile_status.log);
> > our $media = qq(/usr/local/log/FUJI_HRTLAB_SHLTH_tapes.xls);
> > $ENV{"PATH"} = qq(/opt/SUNWsamfs/sbin:/usr/bin:/usr/sbin:/usr/local/log);
> >
> >
> >
> > ###--### Begin Routines ###--###
> >
> >
> > sub mediausage
> > {
> > open (TPC,"/usr/local/bin/ohiohealth/tpcount.pl | " ) or
> > die "unable to fork tpcount.pl $!";
> > open (MU, ">>$media") or die "unable to open file: $media
> > $!";
> > print color 'bold'; print MU "Media Usage Key for all ASM
> > clients:", " ", dateme();
> >
> > while (<TPC>) {
> >
> > print MU $_, "\n";
> > }
> > }
> >
> > __END_CODE__
> >
> > When I view the file my header "Media Usage Key for all ASM clients" it
> is
> > not in bold, but my screen becomes bold print.
> >
> > any advise?
> > thanks
> >
> > derek
> >
> >
> >
> >
> > --
> > To unsubscribe, e-mail: beginners-unsubscribe@xxxxxxxx
> > For additional commands, e-mail: beginners-help@xxxxxxxx
> > <http://learn.perl.org/> <http://learn.perl.org/first-response>
> >
> >
> >
>
> 1) Term:ANSIColor is a terminal setting.
>
> There is no such thing as "writing bold to a file". You need to write
> data that will be interpreted by whatever you intend to use to view
> it. for instance, to output html, you would use `print MU
> "<strong>text</strong>";`. To write a file you'll read from a
> terminal, you need to print the appropriate escape sequence for the
> terminal you're using.
>
> 2) You have specified `color 'bold'` for the stdout filehandle, but
> not the MU filehandle. You can use `print MU color 'bold'` to cause
> the escape sequence (probably \e[1m) to be written to file. Note,
> though, that this will not be protable, and printing the escape
> sequence to screen on any terminal other than the one intended can
> cause unintended results and require you reset the connection.
> Embedding escape sequences in files is a bad idea. It's much better
> to use some kind of markup, and write a program to parse the markup
> and output the correct, site-specific escapes when the data is read,
> e.g., `print color 'bold' if =~ /<bold>;`
>
> Also, don't forget to turn `color` off, or your screen will remain
> bold, even after the program exits.
>
> HTH,
>
> -- jay
> --------------------
> daggerquill [at] gmail [dot] com
> http://www.engatiki.org
>
>
>
> --
> To unsubscribe, e-mail: beginners-unsubscribe@xxxxxxxx
> For additional commands, e-mail: beginners-help@xxxxxxxx
> <http://learn.perl.org/> <http://learn.perl.org/first-response>
>
>
>
print MU color 'bold';
print MU "blah blah",
print MU color 'reset';
or
`use Term::ANSIColor qw(:constants)` and use the alternate form for one-liners.
[rtfm]
Have you even bothered to read perldoc Term::ANSIColor?
[/rtfm]
[psa]
Please don't top post.
[/psa]
-- jay
--------------------
daggerquill [at] gmail [dot] com
http://www.engatiki.org
.
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