Hi,

I have to do a substitution of a pattern in a text file,

this pattern is a key of a hash table previously set.


so I want to replace my pattern by the corresponding value of the key
in the hash table


ex :

file :   n1 n22

hash :   n1 => wordA
            n2 => wordB
            n22 => wordN

I want to have filenew like this :

file :  wordA wordN




with a single %s/pattern/hashpattern/g  expression

Thanks for helping


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