awk - Delete lines based on pattern on another file -

i have 2 files

input.txt

hi 1-12t2edd 1-13d62l6hello 1-15sdwakwazzup wow1-18z3qwy 

filter.txt

1-15sdwak 1-1vf3xhv 

i want delete lines matching pattern filter.txt in input.txt. in sql understanding, left outer join input.txt filter.txt

output.txt

hi1-12t2edd 1-13d62l6hello wow1-18z3qwy 

a simple grep this:

$ grep -fvf filter input hi 1-12t2edd 1-13d62l6hello wow1-18z3qwy 

options:

• -f fixed strings don't need regexp matching
• -v inverse matching
• -f specifing file containing strings (inverse) match.