regex

# return quoted string, ignore changed file
printf "=== modified file 'src/file.py' (properties changed: -x to +x)\n--- test.py    2012-10-23 10:46:23 +0000\n=== modified file 'src/file 2.py' (properties changed: -x to +x)"|perl -nE"say /'([^']+)'[^\n]+\n-/s"