diff --git a/src/g5505_file_reader.py b/src/g5505_file_reader.py
index f069e63..c4769b5 100644
--- a/src/g5505_file_reader.py
+++ b/src/g5505_file_reader.py
@@ -6,7 +6,7 @@ from igor2.binarywave import load as loadibw
 
 import src.g5505_utils as utils
 
-
+import yaml
 import h5py
 
 ROOT_DIR = os.path.abspath(os.curdir)
@@ -75,33 +75,25 @@ def copy_file_in_group(source_file_path, dest_file_obj : h5py.File, dest_group_n
 
 def read_txt_files_as_dict(filename : str ):
 
+    with open('src/text_data_sources.yaml','r') as stream:
+        try:
+            config_dict = yaml.load(stream, Loader=yaml.FullLoader)
+        except yaml.YAMLError as exc:
+            print(exc)
 
     #TODO: this may be prone to error if assumed folder structure is non compliant 
-    file_encoding = 'utf-8'
-    if 'RGA' in filename: #TODO: it does not work with separator as none :(. fix for RGA
-        #end_of_header = 'Channel,  Mass(amu),     Name,                 Cal Factor,  Noise Floor, CEM Status',
-        table_header = 'Time(s)      Channel#1   Channel#2   Channel#3   Channel#4   Channel#5   Channel#6   Channel#7   Channel#8'
-        separator = None
-    elif 'Pressure' in filename: 
-        table_header = 'Date	Time	Vapore-Pressure 1 in 	Vapore-Pressure 2 in 	Baratron 1 in 	Baratron 2 in 	Baratron 3 in 	Baratron 4 in 	Temp. Ice-Sample in 	Temp. Heated-Sample in 	Temp. Cooler 1 in 	Temp. Cooler 2 in 	Flow  Gas 1 in 	Pressure Chamber in 	X in 	Y in 	Z in 	None in 	Temp. Sealing in 	Flow Ice-Sample in'      
-        separator = '\t'
-    #elif 'gas' in filename:
-    #    end_of_header = 'Date_Time	HoribaNO	HoribaNOy	Thermo42C_NO	Thermo42C_NOx	APHA370 CH4'
-    elif 'Humidity_Sensors' in filename:
-        table_header = 'Date	Time	RH1[%]	RH2[%]	RH3[%]	RH4[%]	RH5[%]	RH6[%]	RH7[%]	RH8[%]	T1[°C]	T2[°C]	T3[°C]	T4[°C]	T5[°C]	T6[°C]	T7[°C]	T8[°C]	DP1[°C]	DP2[°C]	DP3[°C]	DP4[°C]	DP5[°C]	DP6[°C]	DP7[°C]	DP8[°C]'
-        separator = '\t'
-        file_encoding = 'latin-1'
-    elif 'ICAD' in filename and 'HONO' in filename:
-        table_header = 'Start Date/Time (UTC)	Duration (s)	NO2 (ppb)	NO2 Uncertainty (ppb)	H2O (ppb)	H2O Uncertainty (ppb)	CHOCHO (ppb)	CHOCHO Uncertainty (ppb)	File Number	Light Intensity	#ICEDOAS iter.	Cell Pressure	Ambient Pressure	Cell Temp	Spec Temp	Lat	Lon	Height	Speed	GPSQuality	0-Air Ref. Time	0-Air Ref. Duration	0-Air Ref. File Number	0-Air Ref. Intensity	0-Air Ref. Rel Intensity	0-Air Ref. Intensity valid	MeasMode	SampleSource'
-        separator = '\t' 
-        file_encoding = 'latin-1'       
-    elif 'ICAD' in filename and 'NO2' in filename:
-        table_header = 'Start Date/Time (UTC)	Duration (s)	NO2 (ppb)	NO2 Uncertainty (ppb)	H2O (ppb)	H2O Uncertainty (ppb)	CHOCHO (ppb)	CHOCHO Uncertainty (ppb)	File Number	Light Intensity	#ICEDOAS iter.	Cell Pressure	Ambient Pressure	Cell Temp	Spec Temp	Lat	Lon	Height	Speed	GPSQuality	0-Air Ref. Time	0-Air Ref. Duration	0-Air Ref. File Number	0-Air Ref. Intensity	0-Air Ref. Rel Intensity	0-Air Ref. Intensity valid	MeasMode	SampleSource'
-        separator = '\t'
-        file_encoding = 'latin-1'
-    else:
-        return {}
-        #raise ValueError('intrument_folder must be set as a either "RGA" or "Pressure"')
+    file_encoding = config_dict['default']['file_encoding'] #'utf-8'
+    separator = config_dict['default']['separator']
+    table_header = config_dict['default']['table_header']
+
+    for key in config_dict.keys():
+        if key.replace('/',os.sep) in filename:
+            file_encoding = config_dict[key].get('file_encoding',file_encoding)
+            separator = config_dict[key].get('separator',separator).replace('\\t','\t')
+            table_header = config_dict[key].get('table_header',table_header)
+            break
+    #if 'None' in table_header:
+    #    return {}
 
     # Read header as a dictionary and detect where data table starts
     header_dict = {}