Goal
Recursively replaces all occurances of <old-string> with <new-string> in <file-or-dir>.
The real magic
find ./ -type f | grep -v '.svn' | xargs sed -i "s/\<${OLD}\>/${NEW}/g"
Note that only whole strings are replaced thanks to \< and \>:
A nice text file which isn't tex.
refactor.sh tex md myfile
A nice text file which isn't md.
refactor.sh
!/bin/bash
OLD=${1}
NEW=${2}
TARGET=${3}
if [ ! -n "${TARGET}" ]
then
echo "USAGE: ${0} <old-string> <new-string> <file-or-directory>"
exit 1
fi
OLD=`echo "${OLD}" | sed 's/\\./\\\\./g'`
NEW=`echo "${NEW}" | sed 's/\\./\\\\./g'`
if [ ! -f "${TARGET}" ]
then
cd "${TARGET}"
find ./ -type f | grep -v '.svn' | xargs sed -i "s/\<${OLD}\>/${NEW}/g"
else
sed -i "s/\<${OLD}\>/${NEW}/gi" "${TARGET}"
fi