Mail merge by NikNakk

x=readChar("stdin", 1e6)
a=gsub("@i","%s",sub("\\$\n.*","",x))
b=strsplit(strsplit(sub(".*\\$\n1\n","",x),"\n1\n")[[1]],"\n")
for(d in b)cat(do.call("sprintf", c(list(fmt=a),as.list(d))))

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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