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Hi guys, I've been struggling to find a solution to the following issue: I need to change strings in .ini files that are given in input to a program whose output is processed by R. The strings to be changed looks like: "instance = /home/TSPFiles/TSPLIB/berlin52.tsp" I normally use Sed for this kind of things. So, inside R I'd like to write something like: command <- paste("sed -i 's/^instance .*/instance = ", data$instancePath, data$newInstance, "/' ", configurationFile, sep =...