deno_open.deno.txt

             
   DENO_OPEN  
             



VERSION ==>                       #Part of Deno

Blob
File
FileReader                        #Like DOM

Deno.open[Sync](UPATH[, OPTS])    #Open a FILE (instance of Deno.FsFile, not File)
 ->[>]FILE                        #Ref'd by the process

OPTS.read                        R#BOOL (def: true). Read access
OPTS.write                       W#BOOL (def: false). Write access
OPTS.append                      W#BOOL (def: false). Write access + append
OPTS.truncate                     #BOOL (def: false). Truncate file
                                  #Requires OPTS.write true
OPTS.create                       #BOOL (def: false). On non-existing file, create it instead of throwing
                                  #Requires OPTS.write|append true
OPTS.createNew                    #BOOL (def: false). On existing file, throw
                                  #Requires OPTS.write|append true
OPTS.mode                         #NUM (def: 0o666 + umask). Does chmod if file is created
                                  #Not on Windows
                                  #Follows symlinks.

FILE.read[Sync]|write[Sync]
 |seek[Sync](...)                 #Inherits READER[_SYNC]|WRITER[_SYNC]|SEEKER[_SYNC]
FILE.readable                     #RSTREAM
FILE.writable                     #WSTREAM
FILE.close()
FILE[Symbol.dispose]()            #Inherits CLOSER

FILE.syncData[Sync]()->[>]        #Flushes data to disk
FILE.sync[Sync]()->[>]            #Flushes data + inode modification (timestamps, permissions, etc.) to disk