1. test program & results
$ cat TestChmod.rb
#!/usr/bin/env jruby
require 'java'
system("touch ./atest.tmp")
file = java::io::File.new("./atest.tmp")
org::jruby::util::Chmod.chmod(file, "755")
system("ls -l ./atest.tmp")
File.chmod(0755, "./atest.tmp")
system("ls -l ./atest.tmp")
system("chmod 755 ./atest.tmp")
system("ls -l ./atest.tmp")
$ ./TestChmod.rb
-rwx-wx-wx 1 p2nexe p2nexe 0 9月 3日 16:39 ./atest.tmp
-rwx-wx-wx 1 p2nexe p2nexe 0 9月 3日 16:39 ./atest.tmp
-rwxr-xr-x 1 p2nexe p2nexe 0 9月 3日 16:39 ./atest.tmp
2. place of bugs ?
jruby-1.0.1/src/org/jruby/util/Chmod.java
Line# code
-------------------------------------
87 if ((permValue & 2) != 0) {
93 if ((permValue & 4) != 0) {
I think that it is correct to do as follows.
Line# code
-------------------------------------
87 if ((permValue & 4) != 0) {
93 if ((permValue & 2) != 0) {
--
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