Shell Programming and Scripting

bcsu.txt
hsdk.prot
ajia.sh
sai.hm
abcd_1213_saj.png

#!/bin/bash
cd abc
ls -1d *\.png | while read filename
do
      # make sure it is a proper file
      if [ -f "${filename}" ]
      then
           numerals=$(echo ${filename}|cut -c6-9)
           # For testing, work on a copy of each file
           # Copy the file
           cp -p "${filename}" "${filename}.sav"
           # Append the text 
           echo "${numerals}" >> "${filename.sav}"
     fi
done

#!/bin/bash
FILES=/home/balnair/transfer/Images/test/*
for f in $FILES
do
  echo "Processing $f file....."
 
         numerals=$(echo ${f}|cut -c56-59)
  
  
        echo "$numerals" 
  
 
convert $FILES -font courier -fill white -pointsize 20 -annotate +50+50 '$numerals'  $numerals.jpg

done