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Full Discussion: Help with ssh,tar and logging
Top Forums Shell Programming and Scripting Help with ssh,tar and logging Post 302835931 by maverick_here on Tuesday 23rd of July 2013 10:30:40 AM
Old 07-23-2013
Help with ssh,tar and logging
Hi,

I'm successfully written a script which tar a directory and ssh's it over a remote server

Code:
tar cfv  - $SDIR  |  ssh $RHOST  "cat > $DDIR/backup.$BKPEXT.tar"

However, Im unable to log the activity to a file. i.e for example if I do

Code:
tar cfv  - $SDIR  |  ssh $RHOST  "cat > $DDIR/elc5.$BKPEXT.tar"  > logfile 2>&1

The logfile is empty even though the backup happens.

Please advice.

Thanks in advance

---------- Post updated at 08:00 PM ---------- Previous update was at 06:46 PM ----------

I have created a function to do the same job the tar command was doing and then I have redirected the function's output to the log file. It works.

Code:
TAR() {

   tar cfv  - $1  |  ssh $2  "cat > $3/project.tar"

 }


    TAR $SDIR $RHOST $DDIR  > $LOGFILE 2>&1

 

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LEARN ABOUT CENTOS

th_get_uid

th_get_pathname(3)						  C Library Calls						th_get_pathname(3)

NAME

       th_get_pathname,   th_get_uid,	th_get_gid,   th_get_mode,   th_get_crc,   th_get_size,  th_get_mtime,	th_get_devmajor,  th_get_devminor,
       th_get_linkname - extract individual fields of a tar header

       TH_ISREG, TH_ISLNK, TH_ISSYM, TH_ISCHR, TH_ISBLK, TH_ISDIR, TH_ISFIFO - determine what kind of file a tar header refers to

       TH_ISLONGNAME, TH_ISLONGLINK - determine whether the GNU extensions are in use

SYNOPSIS

       #include <libtar.h>

       char *th_get_linkname(TAR *t);

       char *th_get_pathname(TAR *t);

       mode_t th_get_mode(TAR *t);

       uid_t th_get_uid(TAR *t);

       gid_t th_get_gid(TAR *t);

       int th_get_crc(TAR *t);

       off_t th_get_size(TAR *t);

       time_t th_get_mtime(TAR *t);

       major_t th_get_devmajor(TAR *t);

       minor_t th_get_devminor(TAR *t);

       int TH_ISREG(TAR *t);

       int TH_ISLNK(TAR *t);

       int TH_ISSYM(TAR *t);

       int TH_ISCHR(TAR *t);

       int TH_ISBLK(TAR *t);

       int TH_ISDIR(TAR *t);

       int TH_ISFIFO(TAR *t);

       int TH_ISLONGNAME(TAR *t);

       int TH_ISLONGLINK(TAR *t);

VERSION

       This man page documents version 1.2 of libtar.

DESCRIPTION

       The th_get_*() functions extract individual fields from the current tar header associated with the TAR handle t.

       The TH_IS*() macros are used to evaluate what kind of file is pointed to by the current tar header associated with the TAR handle t.

       The TH_ISLONGNAME() and TH_ISLONGLINK() macros evaluate whether or not the GNU extensions are used by the  current  tar	header	associated
       with the TAR handle t.  This is only relevant if the TAR_GNU option was used when tar_open() was called.

SEE ALSO

       tar_open(3)

University of Illinois						     Jan 2001							th_get_pathname(3)
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