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-rw-r--r--man/msort.16
-rw-r--r--msort.c36
2 files changed, 39 insertions, 3 deletions
diff --git a/man/msort.1 b/man/msort.1
index 44cd332..8b9fb38 100644
--- a/man/msort.1
+++ b/man/msort.1
@@ -7,7 +7,7 @@
 .Sh SYNOPSIS
 .Nm
 .Op Fl r
-.Op Fl f | Fl d | Fl s | Fl F | Fl M | Fl S
+.Op Fl f | Fl d | Fl s | Fl F | Fl M | Fl S | Fl U | Fl I
 .Op Ar msgs\ ...
 .Sh DESCRIPTION
 .Nm
@@ -44,6 +44,10 @@ Sort by file name, using proper order for numbers in file names.
 Sort by message file modification time.
 .It Fl S
 Sort by message file size.
+.It Fl U
+Sort unread messages after read messages.
+.It Fl I
+Sort flagged messages before unflagged messages.
 .El
 .Sh EXIT STATUS
 .Ex -std
diff --git a/msort.c b/msort.c
index e003fb5..323717a 100644
--- a/msort.c
+++ b/msort.c
@@ -213,6 +213,36 @@ fileorder(const void *a, const void *b)
 }
 
 int
+unreadorder(const void *a, const void *b)
+{
+	struct mail *ia = (struct mail *)a;
+	struct mail *ib = (struct mail *)b;
+
+	char *fa = strstr(ia->file, ":2,");
+	char *fb = strstr(ib->file, ":2,");
+
+	int unreada = fa ? !strchr(fa, 'S') : 0;
+	int unreadb = fb ? !strchr(fb, 'S') : 0;
+
+	return unreada - unreadb;
+}
+
+int
+flaggedorder(const void *a, const void *b)
+{
+	struct mail *ia = (struct mail *)a;
+	struct mail *ib = (struct mail *)b;
+
+	char *fa = strstr(ia->file, ":2,");
+	char *fb = strstr(ib->file, ":2,");
+
+	int unreada = fa ? !!strchr(fa, 'F') : 0;
+	int unreadb = fb ? !!strchr(fb, 'F') : 0;
+
+	return unreadb - unreada;
+}
+
+int
 idxorder(const void *a, const void *b)
 {
 	struct mail *ia = (struct mail *)a;
@@ -269,7 +299,7 @@ main(int argc, char *argv[])
 {
 	int c, i;
 
-	while ((c = getopt(argc, argv, "fdsFMSr")) != -1)
+	while ((c = getopt(argc, argv, "fdsFMSUIr")) != -1)
 		switch(c) {
 		case 'f': addorder(fromorder); break;
 		case 'd': addorder(dateorder); break;
@@ -277,10 +307,12 @@ main(int argc, char *argv[])
 		case 'F': addorder(fileorder); break;
 		case 'M': addorder(mtimeorder); break;
 		case 'S': addorder(sizeorder); break;
+		case 'U': addorder(unreadorder); break;
+		case 'I': addorder(flaggedorder); break;
 		case 'r': rflag = !rflag; break;
 		default:
 			fprintf(stderr,
-			    "Usage: msort [-r] [-fdsFMS] [msgs...]\n");
+			    "Usage: msort [-r] [-fdsFMSUI] [msgs...]\n");
 			exit(1);
 		}