Detrail

#! /usr/bin/perl

# This script scans the relevant parts of the xfpt tree and detrails
# all the files. Adapted from my general "detrail" script.

# This subroutine does the work for one file.

sub detrail {
my($file) = $_[0]; 
my($changed) = 0; 
open(FIN, "$file") || die "Can't open $file for input";
@lines = <FIN>;
close(FIN);
foreach (@lines) 
  { 
  if (/[ \t]+\n$/) 
    { 
    s/[ \t]+\n$/\n/; 
    $changed = 1;
    }  
  }
if ($changed)
  {    
  print "  $file\n"; 
  open(OUT, ">$file") || die "Can't open $file for output";
  print OUT @lines;
  close(OUT);
  } 
}  

# This is the main program

print "Detrailing ...\n";
$, = "";   # Output field separator

# Individual files

for $file ("README", "Makefile.in", "ChangeLog", "src/Makefile")
  { &detrail($file); } 
  
# Now run "find" to get source files.

open (IN, "find -L src share \\( -name '*.h' -o -name '*.c' \\) -type f -print |") ||
  die "Can't run the 'find' command";
while (<IN>) { chomp; &detrail($_); }
close(IN);
          
# End