Shell Programming and Scripting

Blueberry blue 14
Raspberry red 12
Blackberry dark 4

Blackberry sour 4 3
Blueberry tasty 12 78
Strawberry yummy 33 88

Blueberry blue 14 tasty 12 78
Raspberry red 12 - - -
Blackberry dark 4 sour 4 3
Strawberry - - yummy 33 88

awk 'FNR==NR{a[$1]=$2 FS $3 FS $4;next}{ print $0, a[$1]}' file2.txt file1.txt

Blueberry blue 14 tasty 12 78
Raspberry red 12
Blackberry dark 4 sour 4 3

awk 'FNR==NR{a[$1]=$2 FS $3 FS $4;next}{ print $0, a[$1]?a[$1]:"- -"; delete a[$1]} END {for (i in a) print i, "- -", a[i]}' file2 file1
Blueberry blue 14 tasty 12 78
Raspberry red 12 - -
Blackberry dark 4 sour 4 3
Strawberry - - yummy 33 88

$ awk 'FNR==NR{a[$1]=$2 FS $3 FS $4;next}{ print $0, a[$1]?a[$1]:"- - -"; delete a[$1]} END {for (i in a) print i, "- -", a[i]}' file2.txt file1.txt
Blueberry blue 14 tasty 12 78
Raspberry red 12 - - -
Blackberry dark 4 sour 4 3
 - - -
Strawberry - - yummy 33 88

$ join -j 1 -e "-" -a 1 -a 2 -o 0,1.2,1.3,2.2,2.3,2.4 file1.sor file2.sor
Blackberry dark 4 sour 4 3
Blueberry blue 14 tasty 12 78
Raspberry red 12 - - -
Strawberry - - yummy 33 88

awk '
FNR==NR         {a[$1]=$2 
                 d="-"
                 for (i=3; i<=NF; i++) {a[$1]=a[$1] FS $i; d=d FS "-"}
                 next
                }
                {print $0, a[$1]?a[$1]:d
                 D="-"
                 for (i=3; i<=NF; i++) D=D FS "-"
                 delete a[$1]
                }
END             {for (i in a) print i, D, a[i]
                }
        ' file2 file1