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using ' instead of " for most of the strings that don't require interpolation

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Dima Kogan 2010-10-23 15:42:08 -07:00
parent 8135ab0a2d
commit 4dfb086e96
1 changed files with 53 additions and 53 deletions
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106
feedGnuplot.pl
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@ -9,7 +9,7 @@ use threads::shared;
use Thread::Queue;
use Text::ParseWords;
open(GNUPLOT_VERSION, "gnuplot --version |");
open(GNUPLOT_VERSION, 'gnuplot --version |');
my ($gnuplotVersion) = <GNUPLOT_VERSION> =~ /gnuplot\s*(\d*\.\d*)/;
if(!$gnuplotVersion)
{
@ -129,49 +129,49 @@ if(exists $ARGV[0] && !-r $ARGV[0])
# do not stream in the data by default
# point plotting by default.
# no monotonicity checks by default
my %options = ( "stream" => 0,
"domain" => 0,
"dataid" => 0,
"points" => 0,
"lines" => 0,
"xlen" => 0,
"maxcurves" => 100);
my %options = ( stream => 0,
domain => 0,
dataid => 0,
points => 0,
lines => 0,
xlen => 0,
maxcurves => 100);
GetOptions(\%options,
"stream!",
"domain!",
"dataid!",
"lines!",
"points!",
"legend=s@",
"xlabel=s",
"ylabel=s",
"y2label=s",
"title=s",
"xlen=f",
"ymin=f",
"ymax=f",
"xmin=f",
"xmax=f",
"y2min=f",
"y2max=f",
"y2=s@",
"curvestyle=s@",
"extracmds=s@",
"size=s",
"square!",
"hardcopy=s",
"maxcurves=i",
"monotonic!",
"help",
"dump") or die($usage);
'stream!',
'domain!',
'dataid!',
'lines!',
'points!',
'legend=s@',
'xlabel=s',
'ylabel=s',
'y2label=s',
'title=s',
'xlen=f',
'ymin=f',
'ymax=f',
'xmin=f',
'xmax=f',
'y2min=f',
'y2max=f',
'y2=s@',
'curvestyle=s@',
'extracmds=s@',
'size=s',
'square!',
'hardcopy=s',
'maxcurves=i',
'monotonic!',
'help',
'dump') or die($usage);
# set up plotting style
my $style = "";
if($options{lines}) { $style .= "lines";}
if($options{points}) { $style .= "points";}
my $style = '';
if($options{lines}) { $style .= 'lines';}
if($options{points}) { $style .= 'points';}
if(!$style) { $style = "points"; }
if(!$style) { $style = 'points'; }
if( defined $options{help} )
{
@ -180,7 +180,7 @@ if( defined $options{help} )
# list containing the plot data. Each element is a reference to a list, representing the data for
# one curve. The first "point" is a hash describing various curve parameters. The rest are all
# one curve. The first 'point' is a hash describing various curve parameters. The rest are all
# references to lists of (x,y) tuples
my @curves = ();
@ -234,7 +234,7 @@ sub plotThread
while(! $streamingFinished)
{
sleep(1);
$dataQueue->enqueue("Plot now");
$dataQueue->enqueue('Plot now');
}
$dataQueue->enqueue(undef);
@ -243,11 +243,11 @@ sub plotThread
sub mainThread {
local *PIPE;
my $dopersist = "";
my $dopersist = '';
if($gnuplotVersion >= 4.3)
{
$dopersist = "--persist" if(!$options{stream});
$dopersist = '--persist' if(!$options{stream});
}
if(exists $options{dump})
@ -283,12 +283,12 @@ sub mainThread {
# If a bound isn't given I want to set it to the empty string, so I can communicate it simply to
# gnuplot
$options{xmin} = "" unless defined $options{xmin};
$options{xmax} = "" unless defined $options{xmax};
$options{ymin} = "" unless defined $options{ymin};
$options{ymax} = "" unless defined $options{ymax};
$options{y2min} = "" unless defined $options{y2min};
$options{y2max} = "" unless defined $options{y2max};
$options{xmin} = '' unless defined $options{xmin};
$options{xmax} = '' unless defined $options{xmax};
$options{ymin} = '' unless defined $options{ymin};
$options{ymax} = '' unless defined $options{ymax};
$options{y2min} = '' unless defined $options{y2min};
$options{y2max} = '' unless defined $options{y2max};
print PIPE "set xtics\n";
if($options{y2})
@ -313,7 +313,7 @@ sub mainThread {
if($options{square})
{
$options{size} = '' unless defined $options{size};
$options{size} .= " ratio -1";
$options{size} .= ' ratio -1';
}
print(PIPE "set size $options{size}\n") if defined $options{size};
@ -362,7 +362,7 @@ sub mainThread {
{
next if /^#/o;
if($_ ne "Plot now")
if($_ ne 'Plot now')
{
# parse the incoming data lines. The format is
# x id0 dat0 id1 dat1 ....
@ -502,10 +502,10 @@ sub plotStoredData
sub updateCurveOptions
{
# generates the "options" string for a curve, based on its legend title and its other options
# generates the 'options' string for a curve, based on its legend title and its other options
# These could be integrated into a single string, but that raises an issue in the no-title
# case. When no title is specified, gnuplot will still add a legend entry with an unhelpful '-'
# label. Thus I explicitly do "notitle" for that case
# label. Thus I explicitly do 'notitle' for that case
my ($curveoptions) = @_;
my $titleoption = defined $curveoptions->{title} ?