Reduced noise from tld.js regular expressions generation.

.gitignore

@@ -3,6 +3,7 @@
 # build artifacts
 xpi
 *.xpi
+*.bak
 # dev env options
 .eslintrc.json
 # auto-generated files

TLD/generate.pl

@@ -16,7 +16,7 @@ sub generate {
     s/\s+utf.*//;
     s/[\r\n]//g;
     if(/^!/) {
-      s/^!//; 
+      s/^!//;
       push(@ex, lc($_));
     } elsif (!/^(\/\/|[ \n\r]|$)/) {
       s/\*\\\./[^\\.]+\\./;
@@ -24,7 +24,7 @@ sub generate {
     }
   }
   close(DAT);
-  
+
   #$o = Regexp::Optimizer->new;
   #$o = Regexp::List->new;
   $o = Regexp::Assemble->new;
@@ -38,14 +38,13 @@ sub generate {
   s/\(\?-xism:(.*)\)/$1/;
   $ex = $_;
   @ex = NULL;
-  
+
   open(SRC, $src) || die("Cannot open $src");
   open(DST, ">$dst") || die("Cannot open $dst");
   while(<SRC>) {
     s/(_tldRx:\s*\/\(.*?\)).*?(?=\$\/)/$1$rx/s;
     s/(_tldEx:\s*\/\(.*?\)).*?(?=\$\/)/$1$ex/s;
     print DST;
-    print;
   }
   close(SRC);
   close(DST);

TLD/generate.sh

@@ -1,16 +1,19 @@
 #!/bin/bash
 BASE=$(dirname "$0")
+TEMPLATE=tld_template.js
 if [ -f "$1" ]; then
-  cp "$1" "$BASE/tld_template.js"
+  cp "$1" "$BASE/$TEMPLATE"
 fi
-pushd "$BASE"
+pushd "$BASE" >/dev/null
 fname=public_suffix_list.dat
 nflag=""
 if [ -f "$fname" ]; then
   nflag="-z $fname"
+  cp "$fname" "$fname.bak"
 fi
+echo 'Updating TLDs...'
 URL=https://publicsuffix.org/list/$fname
-curl -O $nflag "$URL"
+curl -sO $nflag "$URL"
 
 if ! grep 'com' "$fname" >/dev/null; then
   echo >&2 "$fname empty or corrupt!"
@@ -18,4 +21,5 @@ if ! grep 'com' "$fname" >/dev/null; then
 fi
 
 ./generate.pl
-popd
+[ -f "$fname.bak" ] && diff "$fname" "$fname.bak" && echo 'No new data from pubblic suffix list.'
+popd >/dev/null