check_usage

#!/bin/bash

#This script will search for multiple versions of the same dependency. The first column of the output is the number of times (independent of the version) that dependency was found
bold=$(tput bold)
normal=$(tput sgr0)

rm -f dependencies_usage.csv
rm -f dependencies_usage_temp

echo "Searching for imports..."

find . -type f -name "*.java" -print0 | #search recursively and filter by .java
  xargs -I {} -0 grep -H "^import" "{}" | # identify all import lines
  sed "s/.*\///g" | # replace all package information
  sed "s/import //g" | # remove the word "import"
  sed "s/static //g" >> imports.txt  #remove the word "static" from static imports and output to file

echo -e "\nImports identified!"
echo -e "Checking usage..."

echo "library,no of files" > dependencies_usage.csv

while read p; do
 arr=(${p//./ })
 echo "${arr[0]}.${arr[1]}.${arr[2]}" >> dependencies_usage_temp
done < imports.txt

echo -e "\nFinish checking imports"
echo -e "\nCheking usage..."

cat dependencies_usage_temp | uniq | awk -F":" '{a[$2]+=1;}END{for(i in a)print i","a[i];}' >> dependencies_usage.csv

rm -f imports.txt
rm -f dependencies_usage_temp

echo -e "\nDONE! PLease check ${bold}dependencies_usage.csv"