diff --git a/bin/select_version b/bin/select_version
index ff09003..d6fca43 100755
--- a/bin/select_version
+++ b/bin/select_version
@@ -1,26 +1,22 @@
 #!/bin/bash
 
-# This script is a wrapper for programs that may have alternate versions
-# (e.g. python2, python3).  This wrapper allows the user to influence the
-# selection of the program version by setting the <program name>_VERSION (e.g.
-# PYTHON_VERSION, ROBOT_VERSION, etc.) environment variable.
+# This script is a wrapper for programs that may have alternate versions (e.g. python2, python3).  This
+# wrapper allows the user to influence the selection of the program version by setting the <program
+# name>_VERSION (e.g. PYTHON_VERSION, ROBOT_VERSION, etc.) environment variable.
 
-# Users would be expected to create a link with the base name of the program
-# that points to this file.
+# Users would be expected to create a link with the base name of the program that points to this file.
 
 # Example:
 # cd openbmc-test-automation/bin
 # ln -s select_version python
 
-# The PATH variable should contain the expanded path to
-# openbmc-test-automation/bin.
+# The PATH variable should contain the expanded path to openbmc-test-automation/bin.
 
-# If <program name>_VERSION is blank or not set, then the program version
-# will be whatever the system default program version is.  If <program
-# name>_VERSION is set to a value, then that value will be appended to the name
-# of the program (e.g. if PYTHON_VERSION = "3", then python3 will be used.).
-# If <program name>_VERSION is set to some value that does not correspond to a
-# valid program version for the given system, this program will fail.
+# If <program name>_VERSION is blank or not set, then the program version will be whatever the system
+# default program version is.  If <program name>_VERSION is set to a value, then that value will be appended
+# to the name of the program (e.g. if PYTHON_VERSION = "3", then python3 will be used.).  If <program
+# name>_VERSION is set to some value that does not correspond to a valid program version for the given
+# system, this program will fail.
 
 
 # Make sure program_name is set.
@@ -31,12 +27,10 @@
 function get_target_program_path {
   local target_program_path_var="${1:-target_program_path}" ; shift
 
-  # Get the full path to the "real" program and assign it to the variable
-  # named in target_program_path_var.
+  # Get the full path to the "real" program and assign it to the variable named in target_program_path_var.
 
   # Description of argument(s):
-  # target_program_path_var         The name of the variable to receive the
-  #                                 result.
+  # target_program_path_var         The name of the variable to receive the result.
 
   # Example result:
 
@@ -52,8 +46,7 @@
 
   # The typical use of this program would be to create a link to it like this:
   # ln -s select_version python
-  # That being the case, get the name of this actual program (rather than the
-  # name of the link to it).
+  # That being the case, get the name of this actual program (rather than the name of the link to it).
   base_program_path=$(readlink -f "${0}")
   base_program_name=${base_program_path##*/}
 
@@ -70,8 +63,7 @@
   # Compose the alternate_program_name (e.g. python3).
   alternate_program_name=${program_name}${!version_var_name}
 
-  # Now use the "type" built-in to search the PATH variable for a list of
-  # target program candidates.
+  # Now use the "type" built-in to search the PATH variable for a list of target program candidates.
   candidates=$(type -ap ${alternate_program_name})
 
   # Example candidates:
@@ -79,20 +71,17 @@
   # /usr/bin/python
 
   # In this example, the first candidate is actually a link to
-  # /home/robot/openbmc-test-automation/bin/select_version.  As such it will
-  # be rejected.
+  # /home/robot/openbmc-test-automation/bin/select_version.  As such it will be rejected.
 
   for candidate in ${candidates}
   do
     if [ -L "${candidate}" ] ; then
-      # The candidate is a link so we need to see if it's a link to this
-      # program file.
+      # The candidate is a link so we need to see if it's a link to this program file.
       base_file_path=$(readlink "${candidate}")
       [ "${base_file_path}" == "${base_program_name}" ] && continue
     fi
 
-    # The candidate is NOT a link so it qualifies as the desired target
-    # program path.
+    # The candidate is NOT a link so it qualifies as the desired target program path.
     eval ${target_program_path_var}=\"\${candidate}\"
     return
 
@@ -107,8 +96,8 @@
 
   # Compose program path var name (e.g. PYTHON_PGM_PATH).
   pgm_path_var_name=${program_uppercase_name}_PGM_PATH
-  # Set and export pgm_path_var_name (e.g. PYTHON_PGM_PATH=/usr/bin/python3).
-  # This value can be used by child programs for debug.
+  # Set and export pgm_path_var_name (e.g. PYTHON_PGM_PATH=/usr/bin/python3).  This value can be used by
+  # child programs for debug.
   eval export ${pgm_path_var_name}=${target_program_path}
 
   if [ "${1}" == "--print_only" ] ; then