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#!/bin/sh

# Show duplicate files (compared by MD5 hash)
find ./ -type f -print0 | xargs -0 md5sum | sort | uniq -w 32 -D

# Remove smart-quotes from a buffer/file
sed "s/[”“]/\"/g; s/[’‘]/'/g"

# Rename a series of files (e.g. restore backups) by regular expression in OS X
find ./ -type f -name '*.bak' -print | sed -E 's/(.*)\.bak$/mv "&" "\1"/' > rename.sh

# Remove lines matching an expression from all files in a directory
find ./ -type f -print0 | xargs -0 grep -l foldmarker | xargs sed -i .bak -E '/foldmarker/d'