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# module : base/file
# copyright : PRAGMA Advanced Document Engineering
# version : 2002-2005
# author : Hans Hagen
#
# project : ConTeXt / eXaMpLe
# concept : Hans Hagen
# info : j.hagen@xs4all.nl
# www : www.pragma-ade.com
require 'fileutils'
# require 'ftools'
class File
def File.suffixed(name,sufa,sufb=nil)
if sufb then
if sufa.empty? then
unsuffixed(name) + ".#{sufb}"
else
unsuffixed(name) + "-#{sufa}.#{sufb}"
end
else
unsuffixed(name) + ".#{sufa}"
end
end
def File.unsuffixed(name)
name.sub(/\.[^\.]*?$/o, '')
end
def File.suffix(name,default='')
if name =~ /\.([^\.]*?)$/o then
$1
else
default
end
end
def File.splitname(name,suffix='')
if name =~ /^(.*)\.([^\.]*?)$/o then
[$1, $2]
else
[name, suffix]
end
end
end
class File
def File.silentopen(name,method='r')
begin
f = File.open(name,method)
rescue
return nil
else
return f
end
end
def File.silentread(name)
begin
data = IO.read(name)
rescue
return nil
else
return data
end
end
def File.atleast?(name,n=0)
begin
size = FileTest.size(name)
rescue
return false
else
return size > n
end
end
def File.appended(name,str='')
if FileTest.file?(name) then
begin
if f = File.open(name,'a') then
f << str
f.close
return true
end
rescue
end
end
return false
end
def File.written(name,str='')
begin
if f = File.open(name,'w') then
f << str
f.close
return true
end
rescue
end
return false
end
def File.silentdelete(filename)
File.delete(filename) rescue false
end
def File.silentcopy(oldname,newname)
return if File.expand_path(oldname) == File.expand_path(newname)
FileUtils.makedirs(File.dirname(newname)) rescue false
File.copy(oldname,newname) rescue false
end
def File.silentrename(oldname,newname)
# in case of troubles, we just copy the file; we
# maybe working over multiple file systems or
# apps may have mildly locked files (like gs does)
return if File.expand_path(oldname) == File.expand_path(newname)
File.delete(newname) rescue false
begin
File.rename(oldname,newname)
rescue
FileUtils.makedirs(File.dirname(newname)) rescue false
File.copy(oldname,newname) rescue false
end
end
end
class File
# handles "c:\tmp\test.tex" as well as "/${TEMP}/test.tex")
def File.unixfied(filename)
begin
str = filename.gsub(/\$\{*([a-z0-9\_]+)\}*/oi) do
if ENV.key?($1) then ENV[$1] else $1 end
end
str.gsub(/[\/\\]+/o, '/')
rescue
filename
end
end
end
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