add the ability to run functions from the config file

Makefile

@@ -35,9 +35,7 @@ spmenu: spmenu.o libs/sl/draw.o libs/sl/main.o
 	$(CC) -o $@ spmenu.o draw.o main.o $(LDFLAGS)
 
 clean:
-	rm -f spmenu *.o \
+	rm -f spmenu spmenu-$(VERSION).tar.gz spmenu-$(VERSION).PKGBUILD *.o *zst*
-		spmenu-$(VERSION).tar.gz \
-		*zst* spmenu-$(VERSION).PKGBUILD
 
 dist: clean
 	mkdir -p spmenu-$(VERSION)

scripts/spmenu_run

@@ -14,6 +14,7 @@
 [ -z "$SORT_ARGS" ]          && SORT_ARGS=""
 [ -z "$HIDDEN_KEYWORDS" ]    && HIDDEN_KEYWORDS="spmenu"
 [ -z "$KEYWORDS" ]           && KEYWORDS=""
+[ -z "$DISPLAY_DUPLICATES" ] && DISPLAY_DUPLICATES="false"
 
 check() {
     [ ! -d "$HOME/.config/spmenu/run" ] && mkdir -p "$HOME/.config/spmenu/run"
@@ -30,10 +31,11 @@ path() {
 
     [ -z "$HIDDEN_KEYWORDS" ] && HIDDEN_KEYWORDS="NULL_ENTRY"
 
+    print_menu() {
         print() {
             printf "%s\n" "$PATH" | \
                 tr ':' '\n' | \
-            uniq | sed 's#$#/#' | \
+                sed 's#$#/#' | \
                 xargs ls -lu --time-style=+%s 2>&1 | \
                 grep -vE "$HIDDEN_KEYWORDS" | \
                 grep -E "$KEYWORDS"
@@ -44,6 +46,16 @@ path() {
         else
             print | awk '/^(-|l)/ { print $7 }' | sort $SORTARGS | cut -d' ' -f 2 2>&1
         fi
+    }
+
+    # uniq
+    if [ "$DISPLAY_DUPLICATES" != "false" ]; then
+        print_menu
+    else
+        print_menu | uniq
+    fi
+
+    command -v pre_func && pre_func
 }
 
 print_help() {
@@ -65,20 +77,35 @@ print_config() {
     mkdir -p "$HOME/.config/spmenu/run"
 cat << EOF > "$HOME/.config/spmenu/run/config"
 # spmenu_run default configuration file
-TERMINAL="\${TERMINAL:-st -e}" # Terminal
+#
-BROWSER="\${BROWSER:-xdg-open}" # Web browser
+# This is the configuration file for the run launcher spmenu comes with.
-TORRENT="\${TORRENT:-qbittorrent}" # Torrent client
+# It is not the configuration file for spmenu, see ~/.config/spmenu/spmenu.conf for that.
+#
+# spmenu_run runs function 'pre_func' before spawning spmenu, and 'post_func' after spawning spmenu.
+# You may create those functions below. For 'post_func', the selected item is passed as an argument (\$1)
+#
+# For example, to implement a basic history file:
+#
+# post_func() {
+#   rm -f /tmp/spmenu_entryhist; printf "\$1\n" >> /tmp/spmenu_entryhist
+# }
+#
+# You can use anything POSIX compliant shells support, as well as programs available on the system.
+TERMINAL="\${TERMINAL:-st -e}" # Terminal commands are spawned in
+BROWSER="\${BROWSER:-xdg-open}" # Web browser, for URLs
+TORRENT="\${TORRENT:-qbittorrent}" # Torrent client, for magnet links
 WEB_GREP="http:|https:|www[.]" # Needs to be in grep -E syntax
 MAGNET_GREP="magnet:?" # Needs to be in grep -E syntax
-HISTORY="\${XDG_CACHE_HOME:-\$HOME/.cache/}/spmenu_run.hist" # History file
+HISTORY="\${XDG_CACHE_HOME:-\$HOME/.cache/}/spmenu_run.hist" # History file, spmenu (meaning your user) must have permission to read and write to it.
 RUNLAUNCHER="\${RUNLAUNCHER:-spmenu}" # Run launcher to use
-RUNLAUNCHER_ARGS="--insert --hist-file \$HISTORY \$*"
+RUNLAUNCHER_ARGS="--insert --hist-file \$HISTORY \$*" # Arguments passed to \$RUNLAUNCHER
 SORT_BY_NUMBER="true" # Sort by numbers
 SORT_IN_REVERSE="true" # Sort in reverse
 SORT_BY_RECENT="false" # Sort by recent
 SORT_ARGS="" # Extra arguments passed to the sort command.
 HIDDEN_KEYWORDS="spmenu" # Keywords that will be ignored, needs to be in grep -vE syntax.
 KEYWORDS="" # Keywords that will be matched, needs to be in grep -E syntax.
+DISPLAY_DUPLICATES="false" # Display duplicates or not
 EOF
 [ -f "$HOME/.config/spmenu/run/config" ] && . "$HOME/.config/spmenu/run/config" && return
 }
@@ -99,11 +126,13 @@ parse() {
 
 exec_cmd() {
     [ -z "$EXEC" ] && EXEC=shell
+    command -v post_func && post_func "$dout"
+
     case "$EXEC" in
         "shell") printf "%s" "$dout" | sed "s/#//g" | ${SHELL:-"/bin/sh"} & ;;
         "term") $TERMINAL -e "$(printf "%s" "$dout" | sed "s/#//g")" & ;;
-        "web") $BROWSER "$(printf "$dout" | sed "s/www //g")" & ;;
+        "web") $BROWSER "$(printf "%s" "$dout" | sed "s/www //g")" & ;;
-        "torrent") $TORRENT "$(printf "$dout" | sed "s/magnet //g")" & ;;
+        "torrent") $TORRENT "$(printf "%s" "$dout" | sed "s/magnet //g")" & ;;
     esac
 }
 
@@ -112,7 +141,6 @@ main() {
     print_config "$@"
     parse "$@"
     exec_cmd "$@"
-    rm -f "$HOME/.cache/spmenu_run"
 }
 
 main "$@"