Here's a bash one-liner by Johannes Weiß that prevents filename collisions by prepending "z-" to duplicate filenames:
target="/tmp/target"; find ./ -type f -iname "*.doc" | while read line; do outbn="$(basename "$line")"; while true; do if [[ -e "$target/$outbn" ]]; then outbn="z-$outbn"; else break; fi; done; cp "$line" "$target/$outbn"; done
Successfully tested under bash 4.3 and OS X's antiquated bash 3.2.
Another option for finding, copying, and automatically renaming identical filenames is Automator. Since the Finder automatically increments identical filenames when copying, this workflow will do the trick:
Files & Folders > Find Finder Items (select directory to search and set Name to "contains" with desired extension (e.g., .png)) > Copy Finder Items (select destination directory and DO NOT check "Replacing existing files") > Run
Actually, it turns out that not even Automator is required; simply open a Finder window, perform a search of the source folder for desired file extension, highlight the results, and drag to desired destination - identical filenames will be incremented automatically.More on flattening folders:
/windows | Oct 06, 2011
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