Batch-add fast-start headers to all QuickTime .mov files in the current working directory.

qt_AddFastStart.sh

#/bin/bash
#
# qt_AddFastStart.sh
#
# description: uses QTCoffee (http://www.3am.pair.com/QTCoffee.html) 'modmovie' 
# command to add fast-start headers to all .mov files in the current working 
# directory
#

# replace spaces in filenames with underscores

for filename in *.mov
  do
    # translate spaces to "_"
    filename_clean= $(echo $filename | tr ' ' _) 
    
    # if $filename_clean does not currently exist, then rename original
    # filename to $filename_clean
  
    [ ! -f $filename_clean ] && mv "$filename" $filename_clean 
  done

# create outfile name for QTcoffee 'modmovie' command

(originalfilename_faststart.mov)

for filename in *.mov; 
  do
    faststart_fname= $(echo "$filename" | sed -e 's/\.mov/\_faststart.mov/g')
    echo "Adding fast-start header to $filename... "
    modmovie -o $faststart_fname -self-contained $filename
    echo "Backing up original .mov to $filename.original..."
    mv $filename "$filename".original
    mv $faststart_fname $filename
    echo "Done."
  done