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Full Discussion: Array compare bash script
Top Forums Shell Programming and Scripting Array compare bash script Post 303000101 by MadeInGermany on Tuesday 4th of July 2017 09:08:26 AM
Old 07-04-2017
If the array elements are unique and in the same order then you only need one loop.
Example:
Code:
ARRAY=(/ /boot /var /usr) # fstab
ARRAY2=(/ /xboot /var) # df
max=${#ARRAY[@]}
max2=${#ARRAY2[@]}
i=0 j=0
while [ $i -lt $max ] || [ $j -lt $max2 ]
do
  if [[ "${ARRAY[$i]}" != "${ARRAY2[$j]}" ]]
  then
    if [[ "${ARRAY[$i]}" = "${ARRAY2[$((j+1))]}" ]]
    then
      echo "df ${ARRAY2[$j]} doesnt exist in fstab ${ARRAY[$i]}"
      j=$((j+1))
    elif [[ "${ARRAY[$((i+1))]}" = "${ARRAY2[$j]}" ]]
    then
      echo "fstab ${ARRAY[$i]} doesnt exist in df ${ARRAY2[$j]}"
      i=$((i+1))
    else
      echo "mismatch fstab ${ARRAY[$i]} and df ${ARRAY2[$j]}"
    fi
  fi
  i=$((i+1)) j=$((j+1))
done

Last edited by MadeInGermany; 07-05-2017 at 12:45 PM.. Reason: simplification, now also reports mismatches only
 

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LEARN ABOUT CENTOS

installsieve

INSTALLSIEVE(1) 					      General Commands Manual						   INSTALLSIEVE(1)

 *

NAME

       installsieve - user utility for managing sieve scripts

SYNOPSIS

       installsieve

DESCRIPTION

       installsieve is a utility that allows users to manage their sieve scripts kept on the server.

OPTIONS

       -v <name> View script with the given name. The script if retrieved sucessfully is output to standard output.

       -l  List  all  of  the scripts currently on the server. If one of the scripts is active a arrow is printed indicating that it is the active
       script.

       -p <port> Port to connect to. If left off this defaults to "sieve" as defined in /etc/services.

       -i <file> Install a file onto the server. If a script with the same name already exists on the server it is overwritten.  Upon  sucessfully
       putting	the  script on the server the script is set active. If <file> has the extension .script it is chopped when put on the server since
       sieve names may not contain a '.'.

       -a <name> Set <name> as the active script. The list of available names can be obtained from the '-l' option..

       -d <name> Delete the sieve script on the server with <name>.

       -m <mechanism> Force installsieve to use <mechanism> for authentication. If not specified the strongest authentication mechanism is chosen.

       -g <name> Get the sieve script with <name> and save it to disk with a ".script" extension. If a file with that name already  exists  it	is
       overwritten.

       -u <user> Userid/Authname to use for authentication; by default, the current user.

CMU
								   Project Cyrus						   INSTALLSIEVE(1)
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