19. Complex Script: Process Logs and Summarize Errors

pravjot

Write a complex Bash script that processes multiple log files in a directory. The script should:

→ Iterate through each log file.

→ Read each line.

→ Count and summarize the number of errors in each file.

→ Write a summary report to `summary_report.txt`.

riteshtyagi725

#!/bin/bash

echo "task starts"

outFile="summary_report.txt"

rm $outFile

echo "file $outFile removed."

dir="./"

for file in $dir*.log

do

echo "Processing file: $file"

line_number=1

error_count=0

while IFS= read -r line

do

for word in $line

do

if [ $word == "Error" ]

then

error_count=$((error_count + 1))

fi

done

line_number=$((line_number + 1))

done < $file

echo "Total num of lines in file: $file and no of lines: $line_number and total no of errors: $error_count " >> $outFile

done

echo "task ends"

exit 0