#!/bin/tcsh
## run in directory where files are to be changed

set oldform="M20.0Z2.0e-02.standard"
set newform="M20.0Z2.0e-02"

foreach file (`ls -1 $oldform*`)
#echo "compare "

# 16 must match the number of characters that we want to replace +1
# first test the changes by running the script with 
# the real mv commented, see below

set newfileb=`echo $file| cut -c23-`
set newfile=$newform$newfileb
echo $file "-->" $newfile



#############
# uncomment the next line when the planned changes are correct
#############
mv $file $newfile

end