C/C++ Users Group Library 1996 July/C-C++ Users Group Library July 1996.iso/listings/v_08_04/8n04126a

Text File | 1990-03-18 | 2KB | 58 lines

*****Listing 1*****



   #!/usr/local/bin/perl
   eval    "exec /usr/local/bin/perl -S $0    $*"
       if $running_via_sh;
   # A cute Berkeley style df formatter    for those running USG df
   # Do    what you want with it; it's yours.
   # R.    Craig Peterson,    N8INO
   $fs=join(' ',@ARGV);
   open(Df, "df    -t $fs|") || die "Can't    run df.";

   format top =
   Filesystem        kbytes    used  avail capacity  iused   ifree %iused Device
   format STDOUT =
   @<<<<<<<<<<<<<< @>>>>>> @>>>>>> @>>>>>    @>%   @>>>>>  @>>>>>    @>% @<<<<<<<<<<<<<<
   $fs           $kbytes $used   $avail  $capacity $iused $inodes $piused $name

   while (<Df>)    {
       if (/total blocks/) {
           ($d,$tblocks,$d,$d,$tinodes,$d) = split(' ');
           $tinodes *= 8;
           $kbytes = $tblocks /    2;
           $used = ($tblocks - $blocks)    / 2;
           $avail = $blocks / 2;
           $capacity = int(100 - ($blocks / $tblocks * 100));
           $iused = $tinodes - $inodes;
           $piused = int($iused    / $tinodes * 100);
           write;
           $tot_kbytes += $kbytes;
           $tot_used +=    $used;
           $tot_avail += $avail;
           $tot_iused += $iused;
           $tot_inodes += $inodes;
           $tot_tinodes    += $tinodes;
       } else {
           s/\(\s*/ \(/;
           s/\s*\)/\)/;
           ($fs,$name,$blocks,$d,$inodes,$d) = split;
           $name =~ s![(): \t]|/dev/dsk/!!g;
       }
   }
   if ($#ARGV <    0) {
       $kbytes = $tot_kbytes;
       $used = $tot_used;
       $avail = $tot_avail;
       $capacity = int(100 - ($avail / $kbytes * 100));
       $iused = $tot_iused;
       $inodes = $tot_inodes;
       $tinodes = $tot_tinodes;
       $piused = int($iused    / $tinodes * 100);
       $fs = 'Totals:';
       $name = '';
       write;
   }