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The back-reference sounds good
sed -e "s/\([0-9]\{4\}\) \([0-9]\{4\}\) \([0-9]\{4\}\) \([0-9]\{4\}\)/\4 \3 \2 \1/"
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'Sed' command #5
You are viewing a single comment's thread. Return to all comments →
The back-reference sounds good