diff --git a/skluc/main/tools/experiences/check_stderr.py b/skluc/main/tools/experiences/check_stderr.py
index 7acd9193dac9c1c2ed8b0e809d36b5f961fa396b..a217ce64967d3b8e80ac08f4b64a048f5a3412a4 100644
--- a/skluc/main/tools/experiences/check_stderr.py
+++ b/skluc/main/tools/experiences/check_stderr.py
@@ -1,17 +1,43 @@
+"""
+check_stderr: Gather errors of OAR experiments in one file.zipfile.BadZipFile: Bad CRC-32
+
+Usage:
+    check_stderr -i IPATH [-p regex] [-P str] [--header] [--verbose] [--commands str]
+
+Options:
+    -h --help                   Show this screen.
+    -i --input-dir=<IPATH>      Input directory wher to find results
+    -p --patern=regex           Specify the pattern of the files to be looked at [default: (.+)_stdout.txt].
+    -P --patern-error=regex     Specify the pattern of the error files to be looked at [default: _stderr.txt].
+    -r --header                 Says if there is a header in the result files.
+    -c --commands=str           Write a file containg the command lines arguments for the scripts that have led to an error
+    -v --verbose                Print the lines of the final file
+"""
+
 import re
+import os
 
 from os import walk
 from os.path import isfile, join
 
+import docopt
+
 if __name__ == "__main__":
-    path = "/home/luc/Resultats/Deepstrom/september_2018/deepfried_rel"
+    arguments = docopt.docopt(__doc__)
+    pattern = arguments["--patern"]
+    pattern_err = arguments["--patern-error"]
+    pattern_cmd = arguments["--commands"]
+    path = os.path.abspath(arguments["--input-dir"])
+
     onlyfiles = []
     for dirpath, dirnames, filenames in walk(path):
         onlyfiles.extend([join(dirpath, f) for f in filenames if isfile(join(dirpath, f))])
 
-    pattern = "(.+)_stdout.txt"
     compiled_re = re.compile(pattern)
+    if pattern_cmd is not None:
+        compiled_re_cmd = re.compile(pattern_cmd)
     errors = []
+    command_lines = []
     for f_name in onlyfiles:
         if not compiled_re.match(f_name):
             continue
@@ -21,12 +47,22 @@ if __name__ == "__main__":
             if str_f == "":
                 f_name_split = f_name.split("_")
                 f_name_base = "_".join(f_name_split[:-1])
-                f_name_err = f_name_base + "_stderr.txt"
+                f_name_err = f_name_base + pattern_err
                 with open(f_name_err, 'r') as ferr:
                     str_ferr = ferr.read().strip()
                     errors.append(str_ferr)
+                    if pattern_cmd is not None:
+                        match = compiled_re_cmd.search(str_ferr)
+                        str_match = match.group(1).strip()
+                        command_lines.append(str_match)
 
     with open(join(path, "errors.txt"), 'w') as f_out_err:
         for err in errors:
             f_out_err.write(err)
-            f_out_err.write("\n\n\n\n")
\ No newline at end of file
+            f_out_err.write("\n\n\n\n")
+
+    if pattern_cmd is not None:
+        with open(join(path, "array_param_cmd_errors.txt"), 'w') as f_out_cmd_err:
+            for cmd in command_lines:
+                f_out_cmd_err.write(cmd)
+                f_out_cmd_err.write("\n")
\ No newline at end of file
diff --git a/skluc/main/tools/experiences/cmd_line_pattern_ex.txt b/skluc/main/tools/experiences/cmd_line_pattern_ex.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d43e1c8b5ab7fd92965f196c4e8807841c802d41
--- /dev/null
+++ b/skluc/main/tools/experiences/cmd_line_pattern_ex.txt
@@ -0,0 +1 @@
+Command line:\s.+\.py\s(.+)\n