diff --git a/analysis/output_analysis.py b/analysis/output_analysis.py
new file mode 100755
index 0000000..5f7557a
--- /dev/null
+++ b/analysis/output_analysis.py
@@ -0,0 +1,115 @@
+#!/bin/python3
+
+"""
+    This script will analyze the outputs from ECG to generate tables that will
+    be later plotted.
+"""
+
+import argparse
+import csv
+import os
+
+def softenv_analysis(input_table):
+    """
+    Analyzes the given package lists table to determine the number of artifacts
+    usinga package manager, Git packages or misc packages.
+
+    Parameters
+    ----------
+    input_table: str
+        Table to analyse.
+
+    Returns
+    -------
+    list
+        Output table of the analysis.
+    """
+    return []
+
+def artifact_analysis(input_table):
+    """
+    Analyzes the given artifact hash table to determine the number of artifacts
+    that change through time.
+
+    Parameters
+    ----------
+    input_table: str
+        Table to analyse.
+
+    Returns
+    -------
+    list
+        Output table of the analysis.
+    """
+    return []
+
+def buildstatus_analysis(input_table):
+    """
+    Analyzes the given build status table.
+
+    Parameters
+    ----------
+    input_table: str
+        Table to analyse.
+
+    Returns
+    -------
+    list
+        Output table of the analysis.
+    """
+    return []
+
+def main():
+    # Command line arguments parsing:
+    parser = argparse.ArgumentParser(
+        prog = "output_analysis",
+        description = "This script analyzes the outputs from ECG to create " \
+            "tables."
+    )
+    parser.add_argument('-v', '--verbose',
+        action = 'store_true',
+        help = "Shows more details on what is being done."
+    )
+    parser.add_argument(
+        "-t", "--analysis-type",
+        help = "Specify the type of analysis to run.",
+        choices = ["soft-env", "artifact", "build-status"],
+        required = True
+    )
+    parser.add_argument(
+        "input_dir",
+        help = "Path to the directory where the CSV files used as input for " \
+            "the analysis function are stored. They must be all outputs from ECG."
+    )
+    parser.add_argument(
+        "output_path",
+        help = "Path to the output CSV file that will be created by the " \
+            "analysis function."
+    )
+    args = parser.parse_args()
+
+    analysis_type = args.analysis_type
+    input_dir = args.input_dir
+    output_path = args.output_path
+
+    # Parsing the inputs from the directory:
+    input_table = []
+    os.chdir(input_dir)
+    for input_path in os.listdir():
+        input_file = open(input_path)
+        input_table += list(csv.reader(input_file))
+        print(input_table)
+        input_file.close()
+
+    # Analyzing the inputs:
+    output_file = open(output_path, "w+")
+    if analysis_type == "soft-env":
+        output_file.writelines(softenv_analysis(input_table))
+    elif analysis_type == "artifact":
+        output_file.writelines(artifact_analysis(input_table))
+    elif analysis_type == "build-status":
+        output_file.writelines(buildstatus_analysis(input_table))
+    output_file.close()
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/ecg.py b/ecg.py
index 708fe48..2f4fc57 100755
--- a/ecg.py
+++ b/ecg.py
@@ -292,6 +292,7 @@ def check_env(config, src_dir, image_name, pkglist_path):
         pkglist_file.write(f"{pkg_row}\n")
 
     # Python venvs:
+    logging.info("Checking Python venvs")
     for venv in config["python_venvs"]:
         pipcmd = pkgmgr_cmd["pip"][0]
         pipcmd_args = pkgmgr_cmd["pip"][1]
@@ -325,7 +326,7 @@ def main():
     # Paths:
     config_path = ""
     pkglist_path = "" # Package list being generated
-    buildstatus_path = "" # Summary of the build process of the image
+    buildstatus_path = "" # Status of the build process of the image, when it fails
     arthashlog_path = "" # Log of the hash of the downloaded artifact
     cache_dir = "" # Artifact cache directory, when using one. 'None' value indicates no cache.
     use_cache = False
@@ -355,8 +356,8 @@ def main():
         required = True
     )
     parser.add_argument(
-        "-b", "--build-summary",
-        help = "Path to the file where to write the build summary of the Docker image given in the configuration file.",
+        "-b", "--build-status",
+        help = "Path to the file where to write the build status of the Docker image given in the configuration file.",
         required = True
     )
     parser.add_argument(
@@ -380,7 +381,7 @@ def main():
     log_path = "log.txt" # Output of the program
     pkglist_path = args.pkg_list
     log_path = args.log_path
-    buildstatus_path = args.build_summary
+    buildstatus_path = args.build_status
     arthashlog_path = args.artifact_hash
     cache_dir = args.cache_dir