diff --git a/VERSION-HISTORY.md b/VERSION-HISTORY.md
index f41de6f..6a53375 100644
--- a/VERSION-HISTORY.md
+++ b/VERSION-HISTORY.md
@@ -3,7 +3,8 @@ This file is a version history of blimpy amendments, beginning with version 2.0.
 <br>
 |    Date    | Version | Contents |
 | :--: | :--: | :-- |
-| 2022-08-02 | 2.1.2  | Write .fil files as well as .h5 files (issue #272). |
+| 2022-11-16 | 2.1.4  | Make bl_scrunch actually work (issue #276). |
+| 2022-08-02 | 2.1.3  | Write .fil files as well as .h5 files (issue #272). |
 | 2022-07-22 | 2.1.2  | More container fields needed (issue #270). |
 | 2022-07-21 | 2.1.1  | New Waterfall class option, an alternative to file loading (issue #264). |
 | 2022-07-08 | 2.1.0  | New utility: dsamp (issue #267). |
diff --git a/blimpy/__init__.py b/blimpy/__init__.py
index ef7a4e9..f3de3cb 100644
--- a/blimpy/__init__.py
+++ b/blimpy/__init__.py
@@ -13,7 +13,6 @@
     from . import rawhdr
     from . import stax
     from . import stix
-    from . import match_fils
     from . import dsamp
     from blimpy.io import file_wrapper
 except:
diff --git a/blimpy/bl_scrunch.py b/blimpy/bl_scrunch.py
index 67d01bc..f36b32b 100755
--- a/blimpy/bl_scrunch.py
+++ b/blimpy/bl_scrunch.py
@@ -3,7 +3,7 @@
     producing a new HDF5 file of Filterbank file.
 """
 
-import os
+import os, sys
 from argparse import ArgumentParser
 from blimpy.waterfall import Waterfall
 from .utils import change_the_ext
@@ -40,6 +40,10 @@ def bl_scrunch(in_path, out_dir='./', new_filename='', max_load=None, f_scrunch=
     else:
         out_path = out_dir + new_filename
 
+    if f_scrunch < 2 or f_scrunch >= wf.header["nchans"] :
+        print("\n*** Number of frequency channels to average together must be > 1 and < the input file header nchans value!!\n")
+        sys.exit(1) 
+
     print("bl_scrunch: Output path: {}".format(out_path))
     wf.write_to_hdf5(out_path, f_scrunch=f_scrunch)
     print("bl_scrunch: End")
@@ -49,9 +53,9 @@ def cmd_tool(args=None):
     r"""  Command line utility for scrunching an input HDF5 file or Filterbank file.
     """
 
-    p = ArgumentParser(description='Command line utility for converting HDF5 (.h5) to Sigproc filterbank (.fil) format \n >>h52fil <FULL_PATH_TO_FIL_FILE> [options]')
-    p.add_argument('filepath', type=str, help='Name of file path to open (.h5 or .fil).')
-    p.add_argument('-f', '--fscrunch', dest='f_scrunch', type=int,
+    p = ArgumentParser(description='Command line utility for scrunching an HDF5 file (.h5) or a Sigproc Filterbank file (.fil) to an output HDF5 file.')
+    p.add_argument('filepath', type=str, help='Input file path to open (.h5 or .fil).')
+    p.add_argument('-f', '--fscrunch', dest='f_scrunch', type=int, required=True,
                  help='Number of frequency channels to average (scrunch) together.')
     p.add_argument('-o', '--out_dir', dest='out_dir', type=str, default='./',
                  help='Location for output files. Default: current directory.')
@@ -66,7 +70,7 @@ def cmd_tool(args=None):
         args = p.parse_args()
     else:
         args = p.parse_args(args)
-
+        
     bl_scrunch(args.filepath, out_dir=args.out_dir, new_filename=args.new_filename,
                max_load=args.max_load, f_scrunch=args.f_scrunch)
 
@@ -78,3 +82,4 @@ def cmd_tool(args=None):
 if __name__ == "__main__":
 
     cmd_tool()
+
diff --git a/blimpy/io/hdf_writer.py b/blimpy/io/hdf_writer.py
index c5c130d..0291056 100644
--- a/blimpy/io/hdf_writer.py
+++ b/blimpy/io/hdf_writer.py
@@ -78,6 +78,7 @@ def __write_to_hdf5_heavy(wf, filename_out, f_scrunch=None, *args, **kwargs):
                 dout_shape[-1] //= f_scrunch
                 dout_chunk_dim[-1] //= f_scrunch
                 wf.header['foff'] *= f_scrunch
+                wf.header['nchans'] //= f_scrunch
     
             dset = h5.create_dataset('data',
                                      shape=tuple(dout_shape),
@@ -220,6 +221,7 @@ def __write_to_hdf5_light(wf, filename_out, f_scrunch=None, *args, **kwargs):
             wf.logger.info('Frequency scrunching by %i' % f_scrunch)
             data_out = utils.rebin(wf.data, n_z=f_scrunch)
             wf.header['foff'] *= f_scrunch
+            wf.header['nchans'] //= f_scrunch
 
         dset = h5.create_dataset('data',
                                  data=data_out,
diff --git a/blimpy/match_fils.py b/blimpy/match_fils.py
deleted file mode 100755
index 4f492f0..0000000
--- a/blimpy/match_fils.py
+++ /dev/null
@@ -1,159 +0,0 @@
-#!/usr/bin/env python
-
-from optparse import OptionParser
-import socket
-import subprocess
-import sys
-import os
-try:
-    from .waterfall import Waterfall
-except:
-    from blimpy import Waterfall
-
-#import pdb #pdb.set_trace()
-
-local_host = socket.gethostname()
-
-def reset_outs():
-    """ Returns None, None, used as a helper """
-
-    return None,None
-
-def make_batch_script():
-    """ This creates a batch script for the heavy lifting"""
-
-    script_text  = '#! /bin/bash\n# This script calculates the md5sum for the last number of bits (nbits).# Usage :\n#     ./tail_sum file bnits\n#\n\nfile_name=$1\nbit_num=$2\n\ntail -c $bit_num $file_name | md5sum\n'
-
-    with open('tail_sum.sh', 'w') as batch_script:
-        batch_script.write(script_text)
-
-    os.chmod('tail_sum.sh', 0o775)
-
-def find_header_size(filename):
-    """Script to find the header size of a filterbank file
-
-    Args:
-        filename (str): Name of file
-
-    Returns size of header in Bytes (int)
-    """
-
-    # open datafile
-    filfile=open(filename,'rb')
-    # go to the start of the file
-    filfile.seek(0)
-    #read some region larger than the header.
-    round1 = filfile.read(1000)
-    headersize = round1.find(b'HEADER_END')+len(b'HEADER_END')
-
-    return headersize
-
-def cmd_tool(args=None):
-    """ Command line tool to make a MD5sum comparison of two .fil files.
-
-    Supplies a command line:
-        matchfils <FIL_FILE1> <FIL_FILE2>
-    which will compare the two files to confirm the files have matching MD5sums
-
-    Notes:
-        This command is specific to BL @ Green Bank
-    """
-
-    if 'bl' in local_host:
-        header_loc = '/usr/local/sigproc/bin/header' #Current location of header command in GBT.
-    else:
-        raise IOError('Script only able to run in BL systems.')
-
-    p = OptionParser()
-    p.set_usage('matchfils <FIL_FILE1> <FIL_FILE2>')
-    opts, args = p.parse_args(sys.argv[1:])
-
-    file1 = args[0]
-    file2 = args[1]
-
-    #------------------------------------
-    #Create batch script
-
-    make_batch_script()
-
-    #------------------------------------
-    #First checksum
-
-    headersize1 = find_header_size(file1)
-    file_size1 = os.path.getsize(file1)
-
-    #Strip header from file, and calculate the md5sum of the rest.
-    #command=['tail','-c',str(file_size1-headersize1),file1,'|','md5sum']
-    command=['./tail_sum.sh',file1,str(file_size1-headersize1)]
-    print('[matchfils] '+' '.join(command))
-
-    proc = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-    (out, err) = proc.communicate()
-
-    check_sum1 = out.split()[0]
-    print('[matchfils] Checksum is:', check_sum1)
-
-    if err:
-        raise Error('There is an error.')
-
-    #---
-    out,err = reset_outs()
-
-    command=[header_loc,file1]
-    print('[matchfils] Header information:')
-
-    proc = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-    (out, err) = proc.communicate()
-
-    header1 = out
-    print(header1)
-
-    #------------------------------------
-    #Second checksum
-
-    out,err = reset_outs()
-
-    headersize2 = find_header_size(file2)
-    file_size2 = os.path.getsize(file2)
-
-    #Strip header from file, and calculate the md5sum of the rest.
-    command=['./tail_sum.sh',file2,str(file_size2-headersize2)]
-    print('[matchfils] '+' '.join(command))
-
-    proc = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-    (out, err) = proc.communicate()
-
-    check_sum2 = out.split()[0]
-    print('[matchfils] Checksum is:', check_sum2)
-
-    if err:
-        raise Error('There is an error.')
-
-    #---
-    out,err = reset_outs()
-
-    command=[header_loc,file2]
-    print('[matchfils] Header information:')
-
-    proc = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-    (out, err) = proc.communicate()
-
-    header2 = out
-    print(header2)
-
-    #------------------------------------
-    #check the checksums
-
-    if check_sum1 != check_sum2:
-        print('[matchfils] Booo! Checksum does not match between files.')
-    else:
-        print('[matchfils] Hooray! Checksum matches between files.')
-
-    #------------------------------------
-    #Remove batch script
-
-    os.remove('tail_sum.sh')
-
-if __name__ == "__main__":
-    cmd_tool()
-
diff --git a/setup.py b/setup.py
index 8def913..a1e2f66 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 """
 from setuptools import setup, find_packages
 
-__version__ = '2.1.3'
+__version__ = '2.1.4'
 
 with open("README.md", "r") as fh:
     long_description = fh.read()
@@ -19,7 +19,6 @@
         'fil2h5 = blimpy.fil2h5:cmd_tool',
         'h52fil = blimpy.h52fil:cmd_tool',
         'h5diag = blimpy.h5diag:cmd_tool',
-        'matchfils = blimpy.match_fils:cmd_tool',
         'peek = blimpy.peek:cmd_tool',
         'rawhdr = blimpy.rawhdr:cmd_tool',
         'rawutil = blimpy.guppi:cmd_tool',
diff --git a/tests/test_match_fils.py b/tests/test_match_fils.py
deleted file mode 100644
index 82cf086..0000000
--- a/tests/test_match_fils.py
+++ /dev/null
@@ -1,28 +0,0 @@
-import pytest
-import blimpy as bl
-from tests.data import voyager_fil
-
-def test_reset_works():
-    """
-    The test is trivial, but coverage must be
-    increased at all costs.
-    """
-    a, b = bl.match_fils.reset_outs()
-    assert a is None
-    assert b is None
-
-def test_batcher():
-    """
-    This test may be obsolete once/if test_cmd
-        can be patched up.
-    """
-    bl.match_fils.make_batch_script()
-
-def test_find_header_size():
-    assert bl.match_fils.find_header_size(voyager_fil) > 0
-
-def test_cmdline():
-    args = [voyager_fil, voyager_fil]
-    with pytest.raises(OSError):
-        bl.match_fils.cmd_tool(args)
-