result.txt

/tmp/jetpack $ sh test.sh
test.sh: command substitution: line 9: syntax error near unexpected token `('
test.sh: command substitution: line 9: `diff -B <( echo $SVN_FILES ) <( echo $GIT_FILES ) | grep "^<.*" '

test.sh

#!/bin/bash

JETPACK_GIT_DIR="/Users/georgestephanis/code/jetpack"

# Delete files in the SVN repo that are no longer in the Git repo.

SVN_FILES=$( cd trunk && find . -type f )
GIT_FILES=$( cd $JETPACK_GIT_DIR && find . -type f )
RM_FILES=$(diff -B <( echo $SVN_FILES ) <( echo $GIT_FILES ) | grep "^<.*" )

echo $RM_FILES

#if [ -z "$RM_FILES" ]; then
#  for THIS_FILE in $RM_FILES
#  do
#	cd trunk && rm $THIS_FILE
#  done
#fi