Need help in awk

Shell Programming and Scripting
1

I have the following two files. Please help me with awk script ,which will grab corresponding ip in file2 for each entry in file1. so the out put should like this:

Thanks,

10.1.1.1 abc00def
10.1.1.2 abc00dee
10.1.1.3 abc00deg
10.1.1.4 abc00deg
10.1.1.5 abc00der
10.1.1.6 abc00det
10.1.1.7 abc00dep
10.1.1.8 abc00deq
10.1.1.9 abc00dep

File1:

abc00def
abc00dee
abc00deg
abc00deg
abc00der
abc00det
abc00dep
abc00deq
abc00dep

File2:

10.1.1.1 abc00def
10.1.1.2 abc00dee
10.1.1.3 abc00deg
10.1.1.4 abc00deg
10.1.1.5 abc00der
10.1.1.6 abc00det
10.1.1.7 abc00dep
10.1.1.8 abc00deq
10.1.1.9 abc00dep
10.1.1.5 ber00tys
10.2.1.1 ver00mrt
10.1.1.9 yer00tys
10.2.1.5 zer00mrt

2

for i in `cat a`; do grep $i b >>c; done

3

Or just:

grep -f file1 file2
4

when two files are sorted, use join command
join -t" " -j1 1 -j2 2 -o 1.1 2.2 filea fileb

5

Thanks, this code :

for i in `cat a`; do grep $i b >>c; done