diff options
Diffstat (limited to 'code/snippets/multiple_filenos.rb')
| -rw-r--r-- | code/snippets/multiple_filenos.rb | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/code/snippets/multiple_filenos.rb b/code/snippets/multiple_filenos.rb new file mode 100644 index 0000000..aca4caf --- /dev/null +++ b/code/snippets/multiple_filenos.rb @@ -0,0 +1,13 @@ +passwd = File.open('/etc/passwd') +puts passwd.fileno + +hosts = File.open('/etc/hosts') +puts hosts.fileno + +# Close the open passwd file. The frees up its file descriptor +# number to be used by the next opened resource. +passwd.close + +null = File.open('/dev/null') +puts null.fileno + |