Quick push.

README.org

@@ -260,7 +260,8 @@ cp ./mod-recipes/recipes-all-sorted-product.csv ./mod-recipes/intermediate.csv
 From here on, all changes will take place on the basis of the ~intermediate.csv~ file, and outputs will be directed to ~output.csv~. This will prevent time loss in case of a mistyped command.
 
 *** Define raw ingredients by their category
-We have the following categories we'll be assigning:
+
+**** We have the following categories we'll be assigning:
 - Telescoping, (inserters, belts, things that reach)
 - Metalworking,
 - Plastic,
@@ -285,13 +286,87 @@ To do this, we'll start with something like this:
 open(my $in, "<", "./mod-recipes/intermediate.csv") or die "Can't open intermediates.csv";
 open(my $out, ">", "./mod-recipes/output.csv") or die "Can't open output.csv";
 
+my @patterns = (
+
+    # 0 metal
+
+ "m/[\-?,?s*]
+ (bronze|iron|steel|copper|\
+ zinc| tungsten|titanium|tin|\
+ nickel|silver|platinum|manganese|\
+ lead|gold|aluminium|aluminum)\
+ [\-?,?\s*]/",
+
+    # 1 wood
+
+ "m/[\-?,?s*]
+ (bronze|iron|steel|copper|\
+ zinc| tungsten|titanium|tin|\
+ nickel|silver|platinum|manganese|\
+ lead|gold|aluminium|aluminum)\
+ [\-?,?\s*]/",
+
+    # 2 plastic
+
+ "m/[\-?,?s*]
+ (bronze|iron|steel|copper|\
+ zinc| tungsten|titanium|tin|\
+ nickel|silver|platinum|manganese|\
+ lead|gold|aluminium|aluminum)\
+ [\-?,?\s*]/",
+
+    # 3 electronics
+
+ "m/[\-?,?s*]
+ (bronze|iron|steel|copper|\
+ zinc| tungsten|titanium|tin|\
+ nickel|silver|platinum|manganese|\
+ lead|gold|aluminium|aluminum)\
+ [\-?,?\s*]/",
+
+    # 4 glass
+
+ "m/[\-?,?s*]
+ (bronze|iron|steel|copper|\
+ zinc| tungsten|titanium|tin|\
+ nickel|silver|platinum|manganese|\
+ lead|gold|aluminium|aluminum)\
+ [\-?,?\s*]/",
+
+    # 5 stone
+
+"m/[\-?,?s*]
+ (bronze|iron|steel|copper|\
+ zinc| tungsten|titanium|tin|\
+ nickel|silver|platinum|manganese|\
+ lead|gold|aluminium|aluminum)\
+ [\-?,?\s*]/");
+
+
 while (<$in>) {
     @line = split(",", $_);
-    if ($line[1] =~ /(iron|steel|copper|zinc|tungsten|titanium|tin|nickel|silver|platinum|manganese|lead|gold|aluminium)/) {
-        $line[0] = 'metal'
+    if ($line[1] =~ "$patterns[0]") {
+        print $out "metal @line";
+    }
+    if ($line[1] =~ "$patterns[1]") {
+        print $out "wood @line";
+    }
+    if ($line[1] =~ "$patterns[2]") {
+        print $out "plastic @line";
+    }
+    if ($line[1] =~ "$patterns[3]") {
+        print $out "electronics @line";
+    }
+    if ($line[1] =~ "$patterns[4]") {
+        print $out "glass @line";
+    }
+    if ($line[1] =~ "$patterns[5]") {
+        print $out "stone @line";
+    }
+    else {
+        print $out "@line";
+    }
 }
-    my $lineout = join (',', @line);
-    print $out "$lineout";
 }
 close $in or die "$in: $!";
 close $out or die "$out: $!";

fra.pl

@@ -1,13 +1,87 @@
 open(my $in, "<", "./mod-recipes/intermediate.csv") or die "Can't open intermediates.csv";
 open(my $out, ">", "./mod-recipes/output.csv") or die "Can't open output.csv";
 
+my @patterns = (
+
+    # 0 metal
+
+ "m/[\-?,?s*]
+ (bronze|iron|steel|copper|\
+ zinc| tungsten|titanium|tin|\
+ nickel|silver|platinum|manganese|\
+ lead|gold|aluminium|aluminum)\
+ [\-?,?\s*]/",
+
+    # 1 wood
+
+ "m/[\-?,?s*]
+ (bronze|iron|steel|copper|\
+ zinc| tungsten|titanium|tin|\
+ nickel|silver|platinum|manganese|\
+ lead|gold|aluminium|aluminum)\
+ [\-?,?\s*]/",
+
+    # 2 plastic
+
+ "m/[\-?,?s*]
+ (bronze|iron|steel|copper|\
+ zinc| tungsten|titanium|tin|\
+ nickel|silver|platinum|manganese|\
+ lead|gold|aluminium|aluminum)\
+ [\-?,?\s*]/",
+
+    # 3 electronics
+
+ "m/[\-?,?s*]
+ (bronze|iron|steel|copper|\
+ zinc| tungsten|titanium|tin|\
+ nickel|silver|platinum|manganese|\
+ lead|gold|aluminium|aluminum)\
+ [\-?,?\s*]/",
+
+    # 4 glass
+
+ "m/[\-?,?s*]
+ (bronze|iron|steel|copper|\
+ zinc| tungsten|titanium|tin|\
+ nickel|silver|platinum|manganese|\
+ lead|gold|aluminium|aluminum)\
+ [\-?,?\s*]/",
+
+    # 5 stone
+
+"m/[\-?,?s*]
+ (bronze|iron|steel|copper|\
+ zinc| tungsten|titanium|tin|\
+ nickel|silver|platinum|manganese|\
+ lead|gold|aluminium|aluminum)\
+ [\-?,?\s*]/");
+
+
 while (<$in>) {
     @line = split(",", $_);
-    if ($line[1] =~ /(iron|steel|copper|zinc|tungsten|titanium|tin|nickel|silver|platinum|manganese|lead|gold|aluminium)/) {
-        $line[0] = 'metal'
+    if ($line[1] =~ "$patterns[0]") {
+        print $out "metal @line";
+    }
+    if ($line[1] =~ "$patterns[1]") {
+        print $out "wood @line";
+    }
+    if ($line[1] =~ "$patterns[2]") {
+        print $out "plastic @line";
+    }
+    if ($line[1] =~ "$patterns[3]") {
+        print $out "electronics @line";
+    }
+    if ($line[1] =~ "$patterns[4]") {
+        print $out "glass @line";
+    }
+    if ($line[1] =~ "$patterns[5]") {
+        print $out "stone @line";
+    }
+    else {
+        print $out "@line";
+    }
 }
-    my $lineout = join (',', @line);
-    print $out "$lineout";
 }
 close $in or die "$in: $!";
 close $out or die "$out: $!";