1 files changed, 51 insertions, 0 deletions
diff --git a/gnu/usr.bin/perl/eg/scan/scan_df b/gnu/usr.bin/perl/eg/scan/scan_df
new file mode 100644
index 0000000..6887387
--- /dev/null
+++ b/gnu/usr.bin/perl/eg/scan/scan_df
@@ -0,0 +1,51 @@
+#!/usr/bin/perl -P
+
+# $Header: /home/cvs/386BSD/ports/lang/perl/eg/scan/scan_df,v 1.1.1.1 1993/08/23 21:29:44 nate Exp $
+
+# This report points out filesystems that are in danger of overflowing.
+
+(chdir '/usr/adm/private/memories') || die "Can't cd to memories: $!\n";
+`df >newdf`;
+open(Df, 'olddf');
+
+while (<Df>) {
+    ($fs,$kbytes,$used,$avail,$capacity,$mounted_on) = split;
+    next if $fs =~ /:/;
+    next if $fs eq '';
+    $oldused{$fs} = $used;
+}
+
+open(Df, 'newdf') || die "scan_df: can't open newdf";
+
+while (<Df>) {
+    ($fs,$kbytes,$used,$avail,$capacity,$mounted_on) = split;
+    next if $fs =~ /:/;
+    next if $fs eq '';
+    $oldused = $oldused{$fs};
+    next if ($oldused == $used && $capacity < 99);	# inactive filesystem
+    if ($capacity >= 90) {
+#if defined(mc300) || defined(mc500) || defined(mc700)
+	$_ = substr($_,0,13) . '        ' . substr($_,13,1000);
+	$kbytes /= 2;		# translate blocks to K
+	$used /= 2;
+	$oldused /= 2;
+	$avail /= 2;
+#endif
+	$diff = int($used - $oldused);
+	if ($avail < $diff * 2) {	# mark specially if in danger
+	    $mounted_on .= ' *';
+	}
+	next if $diff < 50 && $mounted_on eq '/';
+	$fs =~ s|/dev/||;
+	if ($diff >= 0) {
+	    $diff = '(+' . $diff . ')';
+	}
+	else {
+	    $diff = '(' . $diff . ')';
+	}
+	printf "%-8s%8d%8d %-8s%8d%7s    %s\n",
+	    $fs,$kbytes,$used,$diff,$avail,$capacity,$mounted_on;
+    }
+}
+
+rename('newdf','olddf');