gopher.sh: remove dialog support (ugly to use)

diff --git a/gopher.sh b/gopher.sh
index 4fd277bc2cc3b551ddab79945463cff32f28af00..ca458b0bcf1f41b46dbea38ec88c4e017fd0a3a2 100755 (executable)
--- a/gopher.sh
+++ b/gopher.sh
@@ -15,14 +15,10 @@
 #              - download: fake mode to download the result without changes
 
 # Manual:
-#      When asked for a number (non-dialog uses only), you can also
-#      enter 'n' or 'p' to get the next or previous item (+1 or -1)
+#      When asked for a number, you can also enter 'n' or 'p' to get the 
+#      next or previous item (+1 or -1)
 
 # ENV variables:
-#      USE_DIALOG: force the usage of the command 'dialog'
-#                : true if dialog is found
-#              0 : do not
-#              1 : force the use of dialog
 #      LINK_COLOR: escape sequences colour (def: 2)
 #              - : means no escape sequence
 #              1 : means colour 1
@@ -89,15 +85,6 @@ if [ "$LINK_COLOR" != "-" ]; then
        export LESS="${LESS} -R"
 fi
 
-# 'dialog' or text
-if [ "$USE_DIALOG" = "" ]; then
-       if dialog --help >/dev/null 2>&1; then
-               USE_DIALOG=1
-       else
-               USE_DIALOG=0
-       fi
-fi
-
 # Invert image viewer
 if [ "$INVERT" = 1 ]; then
        INVERT="--invert"
@@ -105,17 +92,13 @@ else
        INVERT=
 fi
 
-# $0 [FILE] (dialog)
+# $0 [FILE]
 # Display a gopher menu for the given resource
 cat_menu() {
        i=0
        cat "$1" | grep "^i\|^$PREFIX" | sed 's:\\:\\\\\\\\:g' | while read ln; do
                if echo "$ln" | grep "^i" >/dev/null 2>&1; then
-                       if [ "$2" != dialog ]; then
-                               echo "$ln" | sed "s:^.\([^\t]*\).*$:    \1:g"
-                       else
-                               echo "$ln" | sed 's:":'"''"':g;s:^.\([^\t]*\).*$:"      " "\1":g'
-                       fi
+                       echo "$ln" | sed "s:^.\([^\t]*\).*$:    \1:g"
                elif echo "$ln" | grep "^$PREFIX" >/dev/null 2>&1; then
                        i=`expr $i + 1`
                        [ $i -le 9 ] && i=0$i 
@@ -131,11 +114,7 @@ cat_menu() {
                                +) typ='SVR';; # redundant server
                                *) typ='!!!';;
                        esac
-                       if [ "$2" != dialog ]; then
-                               echo "$ln" | sed "s:^.\\([^\t]*\\).*:$typ $i    $SL\\1$EL:g"
-                       else
-                               echo "$ln" | sed "s:"'"'":'':g;s:^.\\([^\t]*\\).*:"'"'"$typ $i"'"'" "'"\1"'":g"
-                       fi
+                       echo "$ln" | sed "s:^.\\([^\t]*\\).*:$typ $i    $SL\\1$EL:g"
                fi
        done
 }
@@ -191,46 +170,17 @@ download)
 1|+)
        CHOICE=0
        while [ "$CHOICE" != "" ]; do
-               if [ "$USE_DIALOG" = 1 ]; then
-                       > "$tmp.menu"
-                       cat_menu "$tmp" dialog | while read ln; do
-                               echo -n " $ln" >> "$tmp.menu"
-                       done
-                       [ "$LINES"   = "" ] && LINES=`tput lines`
-                       [ "$COLUMNS" = "" ] && COLUMNS=`tput cols`
-                       title="$SERVER: $SELECTOR"
-                       dialog  --extra-button --extra-label Back \
-                               --cancel-label Exit \
-                               --no-shadow \
-                               --menu "$title" \
-                               "$LINES" "$COLUMNS" "$LINES" \
-                               --file "$tmp.menu" 2>"$tmp.choice"
-                       val=$?
-                       clear
-                       
-                       if [ $val = 3 ]; then
-                               CHOICE=""
-                       elif [ $val = 1 ]; then
-                               CHOICE="q"
-                       else
-                               CHOICE="`cat "$tmp.choice" | cut -c5-`"
+               cat_menu "$tmp" | less
+               read -p "[$SELECTOR]: " NEW_CHOICE
+               if [ "$NEW_CHOICE" = p ]; then
+                       CHOICE=`expr "$CHOICE" - 1 2>/dev/null`
+                       if [ "$CHOICE" -lt 0 ]; then
+                               CHOICE=`cat "$tmp" | grep "^$PREFIX" | wc --lines`
                        fi
-                       
-                       rm "$tmp.menu"
-                       rm "$tmp.choice"
+               elif [ "$NEW_CHOICE" = n ]; then
+                       CHOICE=`expr "$CHOICE" + 1 2>/dev/null`
                else
-                       cat_menu "$tmp" | less
-                       read -p "[$SELECTOR]: " NEW_CHOICE
-                       if [ "$NEW_CHOICE" = p ]; then
-                               CHOICE=`expr "$CHOICE" - 1 2>/dev/null`
-                               if [ "$CHOICE" -lt 0 ]; then
-                                       CHOICE=`cat "$tmp" | grep "^$PREFIX" | wc --lines`
-                               fi
-                       elif [ "$NEW_CHOICE" = n ]; then
-                               CHOICE=`expr "$CHOICE" + 1 2>/dev/null`
-                       else
-                               CHOICE="$NEW_CHOICE"
-                       fi
+                       CHOICE="$NEW_CHOICE"
                fi
                
                [ "$CHOICE" = q ] && exit 255 # force-quit