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Full Discussion: Mail sent from variable is not aligned in shell script
Top Forums Shell Programming and Scripting Mail sent from variable is not aligned in shell script Post 302997547 by viay on Tuesday 16th of May 2017 08:51:59 AM
Old 05-16-2017
Hello Don,

As you suggest I tried the new script,

a.)all of your assignments like this are wasting CPU and memory by using cat when it is not needed. Try:
Yes

Code:
export maillist=abc@gmail.com;
#df -PH /d04 /d05 /u01 /export | grep -vE '^Filesystem|none|cdrom'|awk '{ print $5 " " $6 }' | while read output;
df -PH | grep -vE '^Filesystem|none|cdrom|swdepot'|awk '{ print $5 " " $6 }' > $HOME/monitor/diskcheck.log;

if [ -s "$HOME/monitor/log/disk_alert.log" ]; then
#Getting variables and compare with old
  usep=($(awk '{ print $1 }' $HOME/monitor/diskcheck.log | cut -d'%' -f1));
  partitions=($(awk '{ print $2 }' $HOME/monitor/diskcheck.log | cut -d'%' -f1));
  usep1=($(awk '{ print $1 }' $HOME/monitor/log/disk_alert.log | cut -d'%' -f1));
else
   cat "$HOME/monitor/diskcheck.log" > "$HOME/monitor/log/disk_alert.log";
  usep=($(awk '{ print $1 }' $HOME/monitor/diskcheck.log | cut -d'%' -f1));
  partitions=($(awk '{ print $2 }' $HOME/monitor/diskcheck.log | cut -d'%' -f1));
  usep1=($(awk '{ print $1 }' $HOME/monitor/log/disk_alert.log | cut -d'%' -f1));
fi

echo ${usep[@]};
echo ${usep1[@]};
unset alertlist
# index = i
for i in ${!usep[@]}; do
        if [ ${usep[$i]} -gt 80 ]; then
                if [ ${usep[$i]} -gt ${usep1[$i]} ]; then
                        # Temp to store current percentage diff and partition to store in a variable.
                        tmp="$(echo -e "Running out of space \"${partitions[$i]} (${usep[$i]}%)\" on $(hostname) as on $(date)")";
                        echo "$tmp"
                        #tmp=$(printf "%s\n" "(${usep[$i]}%) percent used on ${partitions[$i]}");
                        alertlist=("${alertlist[@]}" "$tmp")
                fi
        fi
done

if [ ${#alertlist} -gt 0 ]; then
        printf '%s\n' "${alertlist[@]}" | mail -s "ALERT:  Running out of space" $maillist;
        echo "Following text sent as body of mail to $maillist:"
        printf '%s\n' "${alertlist[@]}"
fi                     #alertlist holds the values to send mail.

While I run the script it seems everything okay as usual the output of run script is,
Code:
[vijay@localhost monitor]$ sh disk_alert.sh
19 1 39 3 40 93 1 14 96
19 1 39 3 40 83 1 14 66
Running out of space "/u05 (93%)" on localhost.local as on Tue May 16 
Running out of space "/u02 (96%)" on localhost.local as on Tue May 16 
Following text sent as body of mail to abc@gmail.com:
Running out of space "/u05 (93%)" on localhost.local as on Tue May 16 
Running out of space "/u02 (96%)" on localhost.local as on Tue May 16

When I receive the mail it's remains with the old format
Code:
Running out of space "/u05 (93%)" on localhost.local as on Tue May 16 Running out of space "/u02 (96%)" on localhost.local as on Tue May 16

1.)
Note, however, that if a mounted filesystem is ever unmounted or a new filesystem is mounted between runs of your script, there is no guarantee that the order of the percentage values stored in the arrays usep and usep1 are in the same order!

Is their any solution for this?
 

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LEARN ABOUT OPENSOLARIS

comm

comm(1) 							   User Commands							   comm(1)

NAME

       comm - select or reject lines common to two files

SYNOPSIS

       comm [-123] file1 file2

DESCRIPTION

       The comm utility reads file1 and file2, which must be ordered in the current collating sequence, and produces three text columns as output:
       lines only in file1; lines only in file2; and lines in both files.

       If the input files were ordered according to the collating sequence of the current locale, the lines  written  will  be	in  the  collating
       sequence of the original lines. If not, the results are unspecified.

OPTIONS

       The following options are supported:

       -1    Suppresses the output column of lines unique to file1.

       -2    Suppresses the output column of lines unique to file2.

       -3    Suppresses the output column of lines duplicated in file1 and file2.

OPERANDS

       The following operands are supported:

       file1	A path name of the first file to be compared. If file1 is -, the standard input is used.

       file2	A path name of the second file to be compared. If file2 is -, the standard input is used.

USAGE

       See largefile(5) for the description of the behavior of comm when encountering files greater than or equal to 2 Gbyte ( 2^31 bytes).

EXAMPLES

       Example 1 Printing a list of utilities specified by files

       If file1, file2, and file3 each contain a sorted list of utilities, the command

	 example% comm -23 file1 file2	| comm -23 - file3

       prints a list of utilities in file1 not specified by either of the other files. The entry:

	 example% comm -12 file1 file2 | comm -12 - file3

       prints a list of utilities specified by all three files. And the entry:

	 example% comm -12  file2 file3 | comm -23 -file1

       prints a list of utilities specified by both file2 and file3, but not specified in file1.

ENVIRONMENT VARIABLES

       See  environ(5)	for  descriptions  of  the  following  environment  variables that affect the execution of comm: LANG, LC_ALL, LC_COLLATE,
       LC_CTYPE, LC_MESSAGES, and NLSPATH.

EXIT STATUS

       The following exit values are returned:

       0     All input files were successfully output as specified.

       >0    An error occurred.

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWesu			   |
       +-----------------------------+-----------------------------+
       |CSI			     |enabled			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       cmp(1), diff(1), sort(1), uniq(1), attributes(5), environ(5), largefile(5), standards(5)

SunOS 5.11							    3 Mar 2004								   comm(1)
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