nailed set/unset parameters in user file

[spider.git] / perl / DXUtil.pm

diff --git a/perl/DXUtil.pm b/perl/DXUtil.pm
index c4abc15bef7021d76c2352f55278350f02b3e3c9..ac2b63e42a282212f79a8627e04468dca957f115 100644 (file)
--- a/perl/DXUtil.pm
+++ b/perl/DXUtil.pm
@@ -9,12 +9,15 @@
 package DXUtil;
 
 use Date::Parse;
+use IO::File;
+use Data::Dumper;
+
 use Carp;
 
 require Exporter;
 @ISA = qw(Exporter);
 @EXPORT = qw(atime ztime cldate cldatetime slat slong yesno promptf 
-                        parray parraypairs shellregex
+                        parray parraypairs shellregex readfilestr writefilestr
              print_all_fields cltounix iscallsign
             );
 
@@ -167,7 +170,7 @@ sub print_all_fields
        my @fields = $ref->fields;
        my $field;
 
-       foreach $field (sort @fields) {
+       foreach $field (sort {$ref->field_prompt($a) cmp $ref->field_prompt($b)} @fields) {
                if (defined $ref->{$field}) {
                        my ($priv, $ans) = promptf($ref->field_prompt($field), $ref->{$field});
                        push @out, $ans if ($self->priv >= $priv);
@@ -193,3 +196,85 @@ sub iscallsign
        return 1 if $call =~ /^\d+\w+/;
        return undef;
 }
+
+# read in a file into a string and return it. 
+# the filename can be split into a dir and file and the 
+# file can be in upper or lower case.
+# there can also be a suffix
+sub readfilestr
+{
+       my ($dir, $file, $suffix) = @_;
+       my $fn;
+       my $f;
+       if ($suffix) {
+               $f = uc $file;
+               $fn = "$dir/$f.$suffix";
+               unless (-e $fn) {
+                       $f = lc $file;
+                       $fn = "$dir/$file.$suffix";
+               }
+       } elsif ($file) {
+               $f = uc $file;
+               $fn = "$dir/$file";
+               unless (-e $fn) {
+                       $f = lc $file;
+                       $fn = "$dir/$file";
+               }
+       } else {
+               $fn = $dir;
+       }
+
+       my $fh = new IO::File $fn;
+       my $s = undef;
+       if ($fh) {
+               local $/ = undef;
+               $s = <$fh>;
+               $fh->close;
+       }
+       return $s;
+}
+
+# write out a file in the format required for reading
+# in via readfilestr, it expects the same arguments 
+# and a reference to an object
+sub writefilestr
+{
+       my $dir = shift;
+       my $file = shift;
+       my $suffix = shift;
+       my $obj = shift;
+       my $fn;
+       my $f;
+       
+       confess('no object to write in writefilestr') unless $obj;
+       confess('object not a reference in writefilestr') unless ref $obj;
+       
+       if ($suffix) {
+               $f = uc $file;
+               $fn = "$dir/$f.$suffix";
+               unless (-e $fn) {
+                       $f = lc $file;
+                       $fn = "$dir/$file.$suffix";
+               }
+       } elsif ($file) {
+               $f = uc $file;
+               $fn = "$dir/$file";
+               unless (-e $fn) {
+                       $f = lc $file;
+                       $fn = "$dir/$file";
+               }
+       } else {
+               $fn = $dir;
+       }
+
+       my $fh = new IO::File ">$fn";
+       if ($fh) {
+               my $dd = new Data::Dumper([ $obj ]);
+               $dd->Indent(1);
+               $dd->Terse(1);
+               $dd->Quotekeys(0);
+               #       $fh->print(@_) if @_ > 0;     # any header comments, lines etc
+               $fh->print($dd->Dumpxs);
+               $fh->close;
+       }
+}