How to search-replace content within files in Ubuntu Linux?

file, replace, ubuntu

Solution

sed -i 's/abc/def/g' xxx_*.in

should be enough

Problem

My platform: Ubuntu linux workstation In a directory, I havea series of files, with file name xxx_1.in to xxx_50.in For each file, I want to replace abc to def. If I do it individually, I should type :g/abc/s//def/g How to write a script to process all of the files at once?

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