Shell Programming and Scripting

===== fspCIV0
/vol/vol0 -sec=sys,rw=fspsanp42.net,root=fspsanp42.net,nosuid
===== fcvCIS01
/vol/ARDW -sec=sys,rw
/vol/ARDW -sec=sys,rw
/vol/ARDW -sec=sys,rw,nosuid
/vol/ARDW -sec=sys,rw
/vol/ARDW -sec=sys,rw=none
/vol/lonulixda -sec=sys,rw=fcvsan10.net:fcvsan11.net,root=fcvsan10.net:fcvsan11.net

vFiler, Type, host
fspCIV0, /vol/vol0, fspsanp42.net
fcvCIS01, /vol/lonulixda, fcvsan10.net
fcvCIS01, /vol/lonulixda, fcvsan11.net

#!/bin/bash

OLDIFS="$IFS"

# Read lines one by one, splitting into A="/vol/vol0", B="-sec=sys,rw=fspsanp42.net,root=fspsanp42.net,nosuid"
# ...or A="=====", B="fspCIV0"
while read -r A B
do
        # Check the contents of A
        if [ "$A" = "=====" ]
        then
                VFILER="$B"
                continue
        fi

        # Split "-sec=sys,rw=fspsanp42.net,root=fspsanp42.net,nosuid"
        # into $1="sec", $2="sys", $3="rw=fspsanp42.net,root=fspsanp42.net", $4="nosuid"
        # ${B:1} is to get rid of the - by skipping the first char, otherwise it would be ${B}
        IFS="," ; set -- ${B:1}
        # Loop over $1 though $4
        while [ "$#" -gt 0 ]
        do
                case "$1" in
                r[ow]=none)     ;;
                r[ow]=*)
                        BACKUP="$*" # Save $1..$4 since we need to overwrite them now
                        IFS=":=" ; set -- $1 ; shift ; IFS=","
                        printf "$VFILER, $A, %s\n" $*
                        set -- $BACKUP # Return $1...$4 to what they were
                        ;;
                esac

                shift # Set $1=$2, $2=$3, $3=$4, discard $4.
        done
        IFS="$OLDIFS" # Split on spaces again, to read the next lne.
done

$ ./ardw.sh < data

fspCIV0, /vol/vol0, fspsanp42.net
fcvCIS01, /vol/lonulixda, fcvsan10.net
fcvCIS01, /vol/lonulixda, fcvsan11.net

$