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