--- procps-3.1.5/sysctl.c~	Thu Jan 16 11:43:14 2003
+++ procps-3.1.5/sysctl.c	Thu Jan 16 11:43:14 2003
@@ -320,7 +320,13 @@
    int n = 0;
    int rc = 0;
    char *name, *value;
+   int reading_stdin = 0;
 
+   if (filename && filename[0] == '-' && filename[1] == 0) {
+      fp = stdin;
+      reading_stdin = 1;
+   }
+   else
    if (!filename || ((fp = fopen(filename, "r")) == NULL)) {
       fprintf(stderr, ERR_PRELOAD_FILE, filename);
       return -1;
@@ -358,7 +364,9 @@
       rc |= WriteSetting(buffer);
    }
 
-   fclose(fp);
+   if (!reading_stdin)
+      fclose(fp);
+
    return rc;
 }
 
--- procps-3.1.5/sysctl.8~	Thu Jan 16 12:01:43 2003
+++ procps-3.1.5/sysctl.8	Thu Jan 16 12:01:43 2003
@@ -49,7 +49,8 @@
 Use this option when you want to change a sysctl setting.
 .TP
 .B "-p"
-Load in sysctl settings from the file specified or /etc/sysctl.conf if none given.
+Load in sysctl settings from the file specified or /etc/sysctl.conf if none
+given.  Specifying "-" as filename means reading data from standard input.
 .TP
 .B "-a"
 Display all values currently available.