Murali, The touchz creates a zero sized file. It does not allow modifying a timestamp like Linux's touch command does, which is what the OP seems to be asking about.
On Thu, Sep 5, 2013 at 12:14 PM, murali adireddy <[email protected]> wrote: > right usage of command is: > > hadoop fs - touchz filename > > > On Thu, Sep 5, 2013 at 12:14 PM, murali adireddy <[email protected]> > wrote: >> >> Hi , >> >> Try this "touchz" hadoop command. >> >> hadoop -touchz filename >> >> >> Thanks and Regards, >> Adi Reddy Murali >> >> >> On Thu, Sep 5, 2013 at 11:06 AM, Harsh J <[email protected]> wrote: >>> >>> There's no shell command (equivalent to Linux's touch) but you can use >>> the Java API: >>> http://hadoop.apache.org/docs/current/api/org/apache/hadoop/fs/FileSystem.html#setTimes(org.apache.hadoop.fs.Path,%20long,%20long) >>> >>> On Thu, Sep 5, 2013 at 10:58 AM, Ramasubramanian Narayanan >>> <[email protected]> wrote: >>> > Hi, >>> > >>> > Can you please help on to update the date & timestamp of a file in >>> > HDFS. >>> > >>> > regards, >>> > Rams >>> >>> >>> >>> -- >>> Harsh J >> >> > -- Harsh J
