diff --git a/Pond.package/CarpCheckExample.class/README.md b/Pond.package/CarpCheckExample.class/README.md
new file mode 100644
index 0000000..6b3d8e5
--- /dev/null
+++ b/Pond.package/CarpCheckExample.class/README.md
@@ -0,0 +1 @@
+I’m an example for checking Carp code.
\ No newline at end of file
diff --git a/Pond.package/CarpCheckExample.class/instance/failingCarpChecker.st b/Pond.package/CarpCheckExample.class/instance/failingCarpChecker.st
new file mode 100644
index 0000000..4e54492
--- /dev/null
+++ b/Pond.package/CarpCheckExample.class/instance/failingCarpChecker.st
@@ -0,0 +1,6 @@
+examples
+failingCarpChecker
+	^ CarpChecker new
+		carp: '/Users/veitheller/.local/bin/carp';
+		dir: '/Users/veitheller/Documents/Code/Github/carp/Carp/';
+		file: '(def x a)'
\ No newline at end of file
diff --git a/Pond.package/CarpCheckExample.class/instance/succeedingCarpChecker.st b/Pond.package/CarpCheckExample.class/instance/succeedingCarpChecker.st
new file mode 100644
index 0000000..2e267c5
--- /dev/null
+++ b/Pond.package/CarpCheckExample.class/instance/succeedingCarpChecker.st
@@ -0,0 +1,6 @@
+examples
+succeedingCarpChecker
+	^ CarpChecker new
+		carp: '/Users/veitheller/.local/bin/carp';
+		dir: '/Users/veitheller/Documents/Code/Github/carp/Carp/';
+		file: '(def x 1)'
\ No newline at end of file
diff --git a/Pond.package/CarpCheckExample.class/properties.json b/Pond.package/CarpCheckExample.class/properties.json
new file mode 100644
index 0000000..dd08370
--- /dev/null
+++ b/Pond.package/CarpCheckExample.class/properties.json
@@ -0,0 +1,11 @@
+{
+	"commentStamp" : "VeitHeller 12/16/2019 12:01",
+	"super" : "Object",
+	"category" : "Pond",
+	"classinstvars" : [ ],
+	"pools" : [ ],
+	"classvars" : [ ],
+	"instvars" : [ ],
+	"name" : "CarpCheckExample",
+	"type" : "normal"
+}
\ No newline at end of file
diff --git a/Pond.package/CarpCheckParser.class/README.md b/Pond.package/CarpCheckParser.class/README.md
new file mode 100644
index 0000000..0fc956d
--- /dev/null
+++ b/Pond.package/CarpCheckParser.class/README.md
@@ -0,0 +1 @@
+I’m a parser for the results of a Carp check.
\ No newline at end of file
diff --git a/Pond.package/CarpCheckParser.class/instance/parse..st b/Pond.package/CarpCheckParser.class/instance/parse..st
new file mode 100644
index 0000000..5cf7b22
--- /dev/null
+++ b/Pond.package/CarpCheckParser.class/instance/parse..st
@@ -0,0 +1,7 @@
+parsing
+parse: aStream
+	| split contents |
+	contents := aStream upToEnd.
+	contents ifEmpty: [ ^ OrderedCollection new ].
+	split := contents splitOn: '\n'.
+	^ split collect: [ :s | self parseLine: s ]
\ No newline at end of file
diff --git a/Pond.package/CarpCheckParser.class/instance/parseLine..st b/Pond.package/CarpCheckParser.class/instance/parseLine..st
new file mode 100644
index 0000000..03b40b2
--- /dev/null
+++ b/Pond.package/CarpCheckParser.class/instance/parseLine..st
@@ -0,0 +1,13 @@
+parsing
+parseLine: aLine
+	| split res |
+	split := aLine splitOn: ':'.
+	split size == 3 ifFalse: [ 
+		^ CarpParseError new message: 'unparseable checker line: "' , aLine , '"'].
+	res := CarpParseError new
+		  file: (split at: 1);
+		  line: (split at: 2) asNumber.
+	split := (split at: 3) splitOn: ' '.
+	^ res
+		  column: (split at: 1) asNumber;
+		  message: (' ' join: split allButFirst)
\ No newline at end of file
diff --git a/Pond.package/CarpCheckParser.class/properties.json b/Pond.package/CarpCheckParser.class/properties.json
new file mode 100644
index 0000000..59dc441
--- /dev/null
+++ b/Pond.package/CarpCheckParser.class/properties.json
@@ -0,0 +1,11 @@
+{
+	"commentStamp" : "VeitHeller 12/16/2019 11:18",
+	"super" : "Object",
+	"category" : "Pond",
+	"classinstvars" : [ ],
+	"pools" : [ ],
+	"classvars" : [ ],
+	"instvars" : [ ],
+	"name" : "CarpCheckParser",
+	"type" : "normal"
+}
\ No newline at end of file
diff --git a/Pond.package/CarpChecker.class/README.md b/Pond.package/CarpChecker.class/README.md
new file mode 100644
index 0000000..43b799d
--- /dev/null
+++ b/Pond.package/CarpChecker.class/README.md
@@ -0,0 +1 @@
+I’m a special case of a Carp process for checking errors.
\ No newline at end of file
diff --git a/Pond.package/CarpChecker.class/instance/check.st b/Pond.package/CarpChecker.class/instance/check.st
new file mode 100644
index 0000000..17bfbc2
--- /dev/null
+++ b/Pond.package/CarpChecker.class/instance/check.st
@@ -0,0 +1,9 @@
+checking
+check
+	| f |
+	f := FileReference newTempFilePrefix: 'checker' suffix: '.carp'.
+	f writeStreamDo: [:stream | stream nextPutAll: file].
+	proc arguments: {'--check' . f pathString }.
+	self run.
+	excepted ifNotNil: [ CarpError new messageText: excepted messageText ].
+	self died ifFalse: [ ^ CarpCheckParser new parse: proc stdoutStream ]
\ No newline at end of file
diff --git a/Pond.package/CarpChecker.class/instance/file..st b/Pond.package/CarpChecker.class/instance/file..st
new file mode 100644
index 0000000..1495340
--- /dev/null
+++ b/Pond.package/CarpChecker.class/instance/file..st
@@ -0,0 +1,3 @@
+checking
+file: aString
+	file := aString
\ No newline at end of file
diff --git a/Pond.package/CarpChecker.class/instance/file.st b/Pond.package/CarpChecker.class/instance/file.st
new file mode 100644
index 0000000..7aaabf3
--- /dev/null
+++ b/Pond.package/CarpChecker.class/instance/file.st
@@ -0,0 +1,3 @@
+checking
+file
+	^ file
\ No newline at end of file
diff --git a/Pond.package/CarpChecker.class/instance/initialize.st b/Pond.package/CarpChecker.class/instance/initialize.st
new file mode 100644
index 0000000..a5e6b76
--- /dev/null
+++ b/Pond.package/CarpChecker.class/instance/initialize.st
@@ -0,0 +1,5 @@
+checking
+initialize
+	proc := OSSUnixSubprocess new command: 'carp';
+				redirectStdout;
+				addAllEnvVariablesFromParentWithoutOverride
\ No newline at end of file
diff --git a/Pond.package/CarpChecker.class/instance/run.st b/Pond.package/CarpChecker.class/instance/run.st
new file mode 100644
index 0000000..843b9b4
--- /dev/null
+++ b/Pond.package/CarpChecker.class/instance/run.st
@@ -0,0 +1,4 @@
+checking
+run
+	[ [ proc run ] on: Error do: [ :err | excepted := err ] ] fork.
+	(Delay forMilliseconds: 500) wait.
\ No newline at end of file
diff --git a/Pond.package/CarpChecker.class/properties.json b/Pond.package/CarpChecker.class/properties.json
new file mode 100644
index 0000000..d73bfc9
--- /dev/null
+++ b/Pond.package/CarpChecker.class/properties.json
@@ -0,0 +1,13 @@
+{
+	"commentStamp" : "VeitHeller 12/16/2019 10:34",
+	"super" : "CarpProcess",
+	"category" : "Pond",
+	"classinstvars" : [ ],
+	"pools" : [ ],
+	"classvars" : [ ],
+	"instvars" : [
+		"file"
+	],
+	"name" : "CarpChecker",
+	"type" : "normal"
+}
\ No newline at end of file
diff --git a/Pond.package/CarpException.class/README.md b/Pond.package/CarpError.class/README.md
similarity index 100%
rename from Pond.package/CarpException.class/README.md
rename to Pond.package/CarpError.class/README.md
diff --git a/Pond.package/CarpException.class/instance/defaultAction.st b/Pond.package/CarpError.class/instance/defaultAction.st
similarity index 100%
rename from Pond.package/CarpException.class/instance/defaultAction.st
rename to Pond.package/CarpError.class/instance/defaultAction.st
diff --git a/Pond.package/CarpException.class/instance/from..st b/Pond.package/CarpError.class/instance/from..st
similarity index 100%
rename from Pond.package/CarpException.class/instance/from..st
rename to Pond.package/CarpError.class/instance/from..st
diff --git a/Pond.package/CarpException.class/properties.json b/Pond.package/CarpError.class/properties.json
similarity index 78%
rename from Pond.package/CarpException.class/properties.json
rename to Pond.package/CarpError.class/properties.json
index 2f27757..8b1af1b 100644
--- a/Pond.package/CarpException.class/properties.json
+++ b/Pond.package/CarpError.class/properties.json
@@ -1,6 +1,6 @@
 {
 	"commentStamp" : "VeitHeller 12/14/2019 17:49",
-	"super" : "Exception",
+	"super" : "Error",
 	"category" : "Pond",
 	"classinstvars" : [ ],
 	"pools" : [ ],
@@ -9,6 +9,6 @@
 		"parent",
 		"error"
 	],
-	"name" : "CarpException",
+	"name" : "CarpError",
 	"type" : "normal"
 }
\ No newline at end of file
diff --git a/Pond.package/CarpParseError.class/README.md b/Pond.package/CarpParseError.class/README.md
new file mode 100644
index 0000000..3d2fa66
--- /dev/null
+++ b/Pond.package/CarpParseError.class/README.md
@@ -0,0 +1 @@
+I represent a line of Carp checker output.
\ No newline at end of file
diff --git a/Pond.package/CarpParseError.class/instance/column..st b/Pond.package/CarpParseError.class/instance/column..st
new file mode 100644
index 0000000..740efd5
--- /dev/null
+++ b/Pond.package/CarpParseError.class/instance/column..st
@@ -0,0 +1,3 @@
+accessing
+column: aNumber
+	column := aNumber
\ No newline at end of file
diff --git a/Pond.package/CarpParseError.class/instance/file..st b/Pond.package/CarpParseError.class/instance/file..st
new file mode 100644
index 0000000..bbeaba9
--- /dev/null
+++ b/Pond.package/CarpParseError.class/instance/file..st
@@ -0,0 +1,3 @@
+accessing
+file: aString
+	file := aString
\ No newline at end of file
diff --git a/Pond.package/CarpParseError.class/instance/line..st b/Pond.package/CarpParseError.class/instance/line..st
new file mode 100644
index 0000000..d62acc2
--- /dev/null
+++ b/Pond.package/CarpParseError.class/instance/line..st
@@ -0,0 +1,3 @@
+accessing
+line: aNumber
+	line := aNumber
\ No newline at end of file
diff --git a/Pond.package/CarpParseError.class/instance/message..st b/Pond.package/CarpParseError.class/instance/message..st
new file mode 100644
index 0000000..555a845
--- /dev/null
+++ b/Pond.package/CarpParseError.class/instance/message..st
@@ -0,0 +1,3 @@
+accessing
+message: aString
+	message := aString
\ No newline at end of file
diff --git a/Pond.package/CarpParseError.class/instance/printOn..st b/Pond.package/CarpParseError.class/instance/printOn..st
new file mode 100644
index 0000000..72653d9
--- /dev/null
+++ b/Pond.package/CarpParseError.class/instance/printOn..st
@@ -0,0 +1,13 @@
+accessing
+printOn: aStream
+	(file isNil or: [ line isNil or: column isNil ])
+		ifTrue: [ aStream nextPutAll: message ]
+		ifFalse: [
+			aStream nextPutAll: file.
+			aStream nextPutAll: ':'.
+			aStream nextPutAll: line asString.
+			aStream nextPutAll: ':'.
+			aStream nextPutAll: column asString.
+			aStream nextPutAll: ' '.
+			aStream nextPutAll: message.
+		]
\ No newline at end of file
diff --git a/Pond.package/CarpParseError.class/properties.json b/Pond.package/CarpParseError.class/properties.json
new file mode 100644
index 0000000..7a520de
--- /dev/null
+++ b/Pond.package/CarpParseError.class/properties.json
@@ -0,0 +1,16 @@
+{
+	"commentStamp" : "VeitHeller 12/16/2019 11:26",
+	"super" : "Object",
+	"category" : "Pond",
+	"classinstvars" : [ ],
+	"pools" : [ ],
+	"classvars" : [ ],
+	"instvars" : [
+		"file",
+		"line",
+		"column",
+		"message"
+	],
+	"name" : "CarpParseError",
+	"type" : "normal"
+}
\ No newline at end of file
diff --git a/Pond.package/CarpProcess.class/class/carp..st b/Pond.package/CarpProcess.class/class/carp..st
index 2310c2a..e20ac7f 100644
--- a/Pond.package/CarpProcess.class/class/carp..st
+++ b/Pond.package/CarpProcess.class/class/carp..st
@@ -1,3 +1,3 @@
 as yet unclassified
 carp: aString
-  ^ self new setCarp: aString
\ No newline at end of file
+  ^ self new carp: aString
\ No newline at end of file
diff --git a/Pond.package/CarpProcess.class/instance/carp..st b/Pond.package/CarpProcess.class/instance/carp..st
new file mode 100644
index 0000000..d0b3257
--- /dev/null
+++ b/Pond.package/CarpProcess.class/instance/carp..st
@@ -0,0 +1,3 @@
+accessing
+carp: aString
+	proc command: aString
\ No newline at end of file
diff --git a/Pond.package/CarpProcess.class/instance/dir..st b/Pond.package/CarpProcess.class/instance/dir..st
new file mode 100644
index 0000000..ada75e2
--- /dev/null
+++ b/Pond.package/CarpProcess.class/instance/dir..st
@@ -0,0 +1,3 @@
+accessing
+dir: aString
+	proc environmentAt: 'CARP_DIR' put: aString
\ No newline at end of file
diff --git a/Pond.package/CarpProcess.class/instance/setCarp..st b/Pond.package/CarpProcess.class/instance/setCarp..st
deleted file mode 100644
index 55bd1a5..0000000
--- a/Pond.package/CarpProcess.class/instance/setCarp..st
+++ /dev/null
@@ -1,3 +0,0 @@
-accessing
-setCarp: aString
-	proc command: aString
\ No newline at end of file
diff --git a/Pond.package/CarpProcess.class/instance/setDir..st b/Pond.package/CarpProcess.class/instance/setDir..st
deleted file mode 100644
index 26b9428..0000000
--- a/Pond.package/CarpProcess.class/instance/setDir..st
+++ /dev/null
@@ -1,3 +0,0 @@
-accessing
-setDir: aString
-	proc environmentAt: 'CARP_DIR' put: aString
\ No newline at end of file
diff --git a/Pond.package/CarpProcess.class/properties.json b/Pond.package/CarpProcess.class/properties.json
index a66f5f7..94738b4 100644
--- a/Pond.package/CarpProcess.class/properties.json
+++ b/Pond.package/CarpProcess.class/properties.json
@@ -7,8 +7,6 @@
 	"classvars" : [ ],
 	"instvars" : [
 		"proc",
-		"out",
-		"in",
 		"excepted"
 	],
 	"name" : "CarpProcess",