Hi,

On Thursday, July 14, 2016 9:09:41 AM CEST sandeep vura wrote:
> I am trying to compress one sql file using the below tar command. But it is
> getting failed without any warnings or exceptions in the error log.

when you have single file, it is usually task for compressor (xz, gzip..), not
archiver (tar):

  $ gzip $bkpdir${hadoopdb}_mysqldb_$bkpday.sql

> Syntax: tar --warning=no-file-changed -zcvf
> $bkpdir${hadoopdb}_mysqldb_$bkpday.sql.tar.gz
> $bkpdir${hadoopdb}_mysqldb_$bkpday.sql
> 
> Is there any way to catch the error when executing the above command.
> [..]
> TAR Version : 1.23

You haven't specified why tar failed, any guesses? 

For example, if the '.sql' file doesn't exist, tar fails correctly for me.  If
gzip is not executable, tar fails too.

Pavel


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