Shell Programming and Scripting

 
while read var
do
searchstring=`echo "$var"|awk -F= '{print $1}'`
replacestring=`echo "$var"|awk -F= '{print $2}'`
vi - inputfile <<!
:%s/$searchstring/$replacestring/g
:wq
!
done < listfile

 
while read var
do
searchstring=`echo "$var"|awk -F= '{print $1}'`
replacestring=`echo "$var"|awk -F= '{print $2}'`
sed "s/$searchstring/$replacestring/g" inputfilename > outputfilename
done < listfile

<?php
$lookup = "table";
$file = "file";
if ( $handle=fopen($lookup,"r") ) {
 while( ($line = fgetcsv($handle,4096,"=")) !== FALSE){
   $table[$line[0]]=$line[1];
 }
}
fclose($handle);
$data=file_get_contents($file);
foreach($table as $search => $replace){
    $data=str_replace($search,$replace,$data);
}
echo $data;
?>

sed -e 's/^/s%/' -e 's/=/%/' -e 's/$/%g/' listfile |
sed -f - inputfile >outputfile