Shell Programming and Scripting

file.test1.f-1.fig.eps

file_test1_f-1_fig.eps

ls *.eps -print|awk '{f=$0;gsub(/\./,"_");print "mv "f" "$0}'|sh

ls -1 *.eps | while read line; do name=`basename $line .eps`; name=$(echo $name | sed 's/\./_/g'); mv $line $name.eps; done

ls -1 *.eps | while read file ; do
  base=${file%.*}
  suff=${file##*.}
  echo mv $file ${base//./_}.${suff}
done