The following shell script is used to process files in directory test while in c

Question

The following shell script is used to process files in directory test while in current working directory. It has following features: Add a prefix "my" to all c files m directory test Rename test as my test Add an extension "bak" to all txt files in directory test E g Rename test, txt as test txt bak Compile all java files in directory test Count the number of c files m directory test bin/bash ncfile=0 for dir in do case "Sdir" in *-c) *.txt) esac done echo there are Sncfile C files in directory teat

Explanation / Answer

nCfile= 0
for dir in *; do
   case "$dir" in
       *.c)nCfile=$((nCfile+1))
           mv "$dir" "my$dir"
           ;;
       *.txt)mv "$dir" "$dir.bak"
           ;;
       *.java)javac "$dir"
           ;;
   esac
done
echo $nCfile

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