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Diffstat (limited to 'scripts/context/ruby/base/file.rb')
-rw-r--r-- | scripts/context/ruby/base/file.rb | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/scripts/context/ruby/base/file.rb b/scripts/context/ruby/base/file.rb new file mode 100644 index 000000000..1aeac5fd6 --- /dev/null +++ b/scripts/context/ruby/base/file.rb @@ -0,0 +1,150 @@ +# 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 + |