check for tput before setting formatting

pilerBackup/pilerbackup.sh

@@ -12,13 +12,25 @@ fi
 export PATH=$PATH:/usr/local/bin
 
 ### text formatting presents
-norm=$(tput sgr0)
-err=$(tput bold)$(tput setaf 1)
-warn=$(tput bold)$(tput setaf 3)
-ok=$(tput setaf 2)
-yellow=$(tput setaf 3)
-cyan=$(tput setaf 6)
-magenta=$(tput setaf 5)
+if command -v tput > /dev/null; then
+    cyan=$(tput setaf 6)
+    err=$(tput bold)$(tput setaf 1)
+    magenta=$(tput setaf 5)
+    norm=$(tput sgr0)
+    ok=$(tput setaf 2)
+    warn=$(tput bold)$(tput setaf 3)
+    width=$(tput cols)
+    yellow=$(tput setaf 3)
+else
+    cyan=""
+    err=""
+    magenta=""
+    norm=""
+    ok=""
+    warn=""
+    width=80
+    yellow=""
+fi
 
 
 ### trap