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Full Discussion: Required formatted output on mail for disk utilization
Top Forums Shell Programming and Scripting Required formatted output on mail for disk utilization Post 303010678 by rbatte1 on Friday 5th of January 2018 07:22:00 AM
Old 01-05-2018
I think it is because your df output that you are reading into awk may be split over multiple lines if the logical volume name or mount-mount are too long.


Before I worry about that, there are a lot of file IO redirections here and a big long linst making it rather messy. Would something like this this be neater?
Code:
#!/bin/bash

Target_dirs="\
/Baysquar2/undo   \
/Baysquar2/redo1  \
/Baysquar2/redo2  \
/Baysquar2/temp   \
/Baysquar2/arch01 \
..... etc.
/Baysquar2/disk13 \
"                                                        # Clear list of directories defined, and easy to adjust

{
echo "Hello"
echo
echo "Size |Used |Avail|Use% |Mounted"                   # Manually set the headings
for dir in "$Target_dirs"
do
   df -h $dir
done | grep -v "Filesystem"                              # .... plus whatever formatting needed here
echo
echo "Bye"
} > output_file                                          #  All output within the braces written as a single IO, reducing clutter too


This looks much cleaner to me so you can concentrate on your formatting.

For the formatting loop, perhaps this might work:-
Code:
while read lv size used avail usep mounted
do
   if [ -z "$mounted" ]
   then                                                   # Line is split, so shuffle everything over
      mounted="$usep"                                     # Maybe an array could be used to smarten this
      usep="$avail"                                       # to a single step
      avail="$used"
      used="$size"
      size="$lv"
   fi
   printf "%-5s|%-5s|%-5s|%-5s|%-s" "$size" "$used" "$avail" "$usep" "$mounted"
done < <(for dir in "$Target_dirs"                        # .... whatever
do
   df -h "$dir"
done | grep -v "Filesystem")

Of course, you could use awk for this, but you need to know what input you are really getting for each 'line' that whatever tool will use.

Is the output you have shared scraped from the email or is that what ends up in the file?

Can you share the output for a simple df -h /Baysquar2/* /Taticr/* or the more explicit:
Code:
df -hP /Baysquar2/undo /Baysquar2/redo1 /Baysquar2/redo2 /Baysquar2/temp /Baysquar2/arch01 /Baysquar2/disk04 /Baysquar2/disk03 /Baysquar2/disk02 /Baysquar2/disk01 /Tat
icr/data04 /Taticr/data05 /Baysquar2/disk08 /Baysquar2/disk07 /Baysquar2/disk06 /Baysquar2/disk05 /Baysquar2/arch02_new /Baysquar2/disk09 /Baysquar2/disk10 /Baysquar2/
disk11 /Baysquar2/disk12 /Baysquar2/disk13


Can you tell me if my suggestions help/hinder/confuse?




Thanks, in advance,
Robin
 

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LEARN ABOUT OPENSOLARIS

mount_tmpfs

mount_tmpfs(1M) 					  System Administration Commands					   mount_tmpfs(1M)

NAME

       mount_tmpfs - mount tmpfs file systems

SYNOPSIS

       mount [-F tmpfs] [-o specific_options] [-O] special mount_point

DESCRIPTION

       tmpfs is a memory based file system which uses kernel resources relating to the VM system and page cache as a file system.

       mount  attaches	a  tmpfs  file	system	to  the  file  system hierarchy at the pathname location mount_point, which must already exist. If
       mount_point has any contents prior to the mount operation, these remain	hidden	until  the  file  system  is  once  again  unmounted.  The
       attributes  (mode, owner, and group) of the root of the tmpfs filesystem are inherited from the underlying mount_point, provided that those
       attributes are determinable. If not, the root's attributes are set to their default values.

       The special argument is usually specified as swap but is in fact disregarded and assumed to be the virtual memory resources within the sys-
       tem.

OPTIONS

       -o specific_options    Specify  tmpfs file system specific options in a comma-separated list with no intervening spaces. If invalid options
			      are specified, a warning	message is printed and the invalid options are ignored. The following options  are  avail-
			      able:

			      size=sz		 The  sz argument controls the size of this particular tmpfs file system. If the argument is has a
						 `k' suffix, the number will be interpreted as a number of kilobytes. An `m' suffix will be inter-
						 preted as a number of megabytes. No suffix is interpreted as bytes. In all cases, the actual size
						 of the file system is the number of bytes specified, rounded up to the physical pagesize  of  the
						 system.

			      xattr | noxattr	 Allow or disallow the creation and manipulation of extended attributes. The default is xattr. See
						 fsattr(5) for a description of extended attributes.

       -O		      Overlay  mount. Allow the file system to be mounted over an existing mount point, making the underlying file  system
			      inaccessible.  If a mount is attempted on a pre-existing mount point without setting this flag, the mount will fail,
			      producing the errordevice busy.

FILES

       /etc/mnttab    Table of mounted file systems

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       mount(1M), mkdir(2), mount(2), open(2), umount(2), mnttab(4), attributes(5), fsattr(5), tmpfs(7FS)

NOTES

       If the directory on which a file system is to be mounted is a symbolic link, the file system is mounted on the directory to which the  sym-
       bolic link refers, rather than on top of the symbolic link itself.

SunOS 5.11							    24 Nov 2003 						   mount_tmpfs(1M)
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