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* lib/ftool.rb (BUFSIZE): tuning, set buffer length to 8192.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2585 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
eban 2002-06-20 08:21:00 +00:00
parent fa1f7befa9
commit e97d0b7764
2 changed files with 15 additions and 26 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Thu Jun 20 17:10:27 2002 WATANABE Hirofumi <eban@ruby-lang.org>
* lib/ftool.rb (BUFSIZE): tuning, set buffer length to 8192.
Wed Jun 19 14:46:18 2002 WATANABE Hirofumi <eban@ruby-lang.org>
* ext/extmk.rb, lib/mkmf.rb (xsystem): open the log file if xsystem

37
lib/ftools.rb
View file

@ -1,6 +1,6 @@
class << File
TOO_BIG = 1024 * 1024 * 2 # 2MB
BUFSIZE = 8 * 1024
def catname from, to
if FileTest.directory? to
@ -15,28 +15,16 @@ class << File
def syscopy from, to
to = catname(from, to)
fsize = size(from)
fsize = 1024 if fsize < 512
fsize = TOO_BIG if fsize > TOO_BIG
fmode = stat(from).mode
tpath = to
not_exist = !exist?(tpath)
from = open(from, "r")
from.binmode
to = open(to, "w")
to.binmode
from = open(from, "rb")
to = open(to, "wb")
begin
while true
r = from.sysread(fsize)
rsize = r.size
w = 0
while w < rsize
t = to.syswrite(r[w, rsize - w])
w += t
end
to.syswrite from.sysread(BUFSIZE)
end
rescue EOFError
ret = true
@ -63,7 +51,7 @@ class << File
to = catname(from, to)
$stderr.print from, " -> ", to, "\n" if verbose
if RUBY_PLATFORM =~ /djgpp|cygwin|mswin32|bccwin32/ and FileTest.file? to
if RUBY_PLATFORM =~ /djgpp|(cyg|ms|bcc)win|mingw/ and FileTest.file? to
unlink to
end
fstat = stat(from)
@ -92,25 +80,22 @@ class << File
def compare from, to, verbose = false
$stderr.print from, " <=> ", to, "\n" if verbose
fsize = size(from)
fsize = 1024 if fsize < 512
fsize = TOO_BIG if fsize > TOO_BIG
from = open(from, "r")
from.binmode
to = open(to, "r")
to.binmode
from = open(from, "rb")
to = open(to, "rb")
ret = false
fr = tr = ''
return false if from.stat.size != to.stat.size
begin
while fr == tr
fr = from.read(fsize)
fr = from.read(BUFSIZE)
if fr
tr = to.read(fr.size)
else
ret = to.read(fsize)
ret = to.read(BUFSIZE)
ret = !ret || ret.length == 0
break
end