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This bash is moderately archaic (version 3), and various tools (e.g. tput) are
missing.

This also modifies the ouput of the script so that in verbose mode, as it runs,
each filename is trimmed to fit on one line, including the throbber, then
replaced by the full filename when printing the final file status.  This makes
for a cleaner output spew with long filenames in particular.

BUG=none
TEST=none
R=oshima@chromium.org

Review URL: https://codereview.chromium.org/291153007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@272364 0039d316-1c4b-4281-b951-d872f2087c98