javascript - Match words from 2 files -


i have 2 txt file's (words.txt , fail.txt)

words.txt

level4:the level4:of level4:and level4:to level4:a level4:in level4:for level4:is level4:on level4:that level4:by level4:this level4:with level4:i level4:you 

fail.txt

the of , in 

how can obtain list contain list words.txt except fail.txt? example of need obtain result

level4:for level4:is level4:on level4:that level4:by level4:this level4:with level4:i level4:you 

thank you.

using awk:

awk -f: 'fnr==nr{fail[$0]++; next} !($2 in fail)' fail.txt words.txt level4:for level4:is level4:on level4:that level4:by level4:this level4:with level4:i level4:you 

description:

-f :                         # use : delimiter nr == fnr {                  # while processing fail file   fail[$0]++                 # store record in array fail   next                       # move next record } {                            # while processing words file   !($2 in fail)              # print if 2nd field not in fail array } 

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