Command improvment

glances/conf/glances.conf

@@ -82,7 +82,7 @@ mem_critical=90
 # An item is defined:
 # * description: Description of the processes (max 16 chars)
 # * regex: regular expression of the processes to monitor
-# * command: (optional) shell command for extended stat
+# * command: (optional) full path to shell command/script for extended stat
 #            Use with caution. Should return a single line string.  
 # * countmin: (optional) minimal number of processes
 #             A warning will be displayed if number of process < count
@@ -90,7 +90,7 @@ mem_critical=90
 #             A warning will be displayed if number of process > count
 list_1_description=Redis server
 list_1_regex=.*redis-server.*
-list_1_command=redi s-cli CLIENT LIST
+list_1_command=echo STAT
 list_2_description=Python programs
 list_2_regex=.*python.*
 list_2_countmin=1

glances/glances.py

@@ -3064,8 +3064,11 @@ class glancesScreen:
                                                                   monitors.countmax(item)))
                 # Build and print optional message
                 if (monitors.command(item) != None):
-                    monitormsg2 = "{0}".format(
-                        subprocess.check_output(monitors.command(item), shell = True) if monitors.command(item) != "" else "")
+                    try:
+                        cmdret = subprocess.check_output(monitors.command(item), shell = True)
+                    except subprocess.CalledProcessError:
+                        cmdret = _("Error: ") + monitors.command(item)
+                    monitormsg2 = "{0}".format(cmdret)
                     self.term_window.addnstr(monitor_y, self.process_x + 35, 
                                              monitormsg2, screen_x - process_x - 35)
                 # else: