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#!/usr/bin/env fish
# syntax: moov files... regex target
set regex $argv[-2]
set target $argv[-1]
set files $argv[1..-3]
for file in $files
set matches (string match -ar "$regex" "$file")
set target_path "$target"
set counter 0
for match in $matches
set target_path (string replace -a '$'"$counter" "$match" "$target_path")
set counter (math $counter + 1)
end
mv "$file" "$target_path"
end