Wrapped. Needs mods for *nix shells: 

sort file1>file1.s 
& sort file2>file2.s 
& join file1.s file2.s 
| perl -anle"print$F[0],' ',$F[1]*$F[2]" 
| sort -n -k 2 > files.merged 
& del file1.s file2.s

c:\test>type files.merged
hello 1
FILE 2
today 6
yes 8
well 12

[download]
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
RIP an inspiration; A true Folk's Guy

In reply to Re: Merging two list with simple operation by BrowserUk
in thread Merging two list with simple operation by fanticla

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