psyced/bin/edata

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#!/usr/bin/perl
#
# editor for .o files -lynX
#
# it merely splits long lines at the end of mappings
# so that vi-like editors aren't confronted with
# huge one-liners. after saving it recreates the
# original format after renaming the original file
# into itself with appended tilde.
#
#sub backupsuffix() { '~' }
($file = shift and $file =~ /\.o$/) or die <<X;
usage: $0 <lpmud-data-file.o>
X
$tmp = "/tmp/edata.$$";
open(I, $file) or die "$file: $!";
open(O, ">$tmp") or die "cannot create $tmp: $!";
$/ = undef;
while(<I>) {
s/(,]\),)/\1\n /gm;
print O;
}
close I;
close O;
$edit = $ENV{EDITOR} or 'vi';
$M = -M $tmp;
system("$edit $tmp");
exit if $M == -M $tmp;
die $! unless rename $file, "$file~";
print STDERR "Backup created in $file~\n";
open(I, $tmp) or die "$tmp: $!";
open(O, ">$file") or die "cannot create $file: $!";
$/ = undef;
while(<I>) {
s/\n //gm;
print O;
}
close I;
close O;