Fixed month arithmetic defect

cluster-to-other.sh

@@ -20,12 +20,17 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 month=$(date '+%m')
-let prevmonth=$month-1
+one=1
+last_month=$(($month - $one))
 year=$(date '+%Y')
 letter="s"
 
 finger()
 {
+    echo
+    echo "Finger conversion"
+    echo
+    
     # Download the index.html and $month.html files
     sftp $USER@ma.sdf.org:/meta/$letter/$USER/html/index.html /sdf/arpa/ns/$letter/$USER/finger
     sftp $USER@ma.sdf.org:/meta/$letter/$USER/html/posts/$year/$month.html /sdf/arpa/ns/$letter/$USER/finger
@@ -49,10 +54,10 @@ finger()
     cat /sdf/arpa/ns/$letter/$USER/finger/$month-e01 | col -b -x > /sdf/arpa/ns/$letter/$USER/finger/$month-e02
 
     # Remove the HTML link reference to previous month posts
-    if [ $prevmonth -lt 10 ]; then
-	sed -i "s/0$prevmonth//" /sdf/arpa/ns/$letter/$USER/finger/$month-e02
+    if [ $last_month -lt 10 ]; then
+	sed -i "s/0$last_month//" /sdf/arpa/ns/$letter/$USER/finger/$month-e02
     else
-	sed -i "s/$prevmonth//" /sdf/arpa/ns/$letter/$USER/finger/$month-e02
+	sed -i "s/$last_month//" /sdf/arpa/ns/$letter/$USER/finger/$month-e02
     fi
 
     # Write a header file from index-e02
@@ -79,6 +84,10 @@ finger()
 
 gopher()
 {
+    echo
+    echo "Gopher conversion"
+    echo
+    
     # If the year has changed, and a new year directory does not already
     # exist, create it
 
@@ -117,6 +126,10 @@ gopher()
 
 gemini()
 {
+    echo
+    echo "Gemini conversion"
+    echo
+    
     # If the year has changed, and a new year directory does not already
     # exist, create it
     
@@ -160,7 +173,6 @@ gemini()
 
 finger
 gopher
-web
 gemini
 
 exit 0