Try to be smart about cal utility version

dotfiles/bash/main.bashrc

     done
 }
 
+cal() {
+    #
+    # cal with the proper version pick
+    #
+    local cal_v
+    local cal_es
+    cal_v=$(command cal -V 2>/dev/null); cal_es=$?
+    case $cal_es:$cal_v in
+        0:cal\ from\ util-linux\ 2.32.1)
+            command cal --color=always --monday --week "$@"
+            ;;
+        64:*)
+            command cal -M "$@"
+            ;;
+    esac
+}
+
 ### .... ###
 ### BASH ###
 ### '''' ###
 shopt -s histverify
 
 # some more aliases
-alias cal='cal -m'
 alias cls='clear'
 alias czkrates='czkrates -v'
 alias ll='ls -lh'