How to determine if file has been modified in the last x seconds

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                          I want to determine if a file has been modified in the last x seconds on MacOS or Debian etc.

    is_file_older_than() {
    
      seconds="$1"
      file="$2"
    
      echo "The file $file"
    
      modified_secs="$(date -r "$file" +%s)"
      current_secs="$(date +%s)"
    
      diff="$(expr "$current_secs" - "$modified_secs")"
    
      if [[ "$diff" -gt "$seconds" ]]; then
        return 0
      fi
    
      return 1    
    }
    
    if is_file_older_than 3 "$BASH_SOURCE"; then
      echo 'old'
    else
      echo 'young'
    fi


but I am trouble verifying if it's working 100% and if there's anything unreliable - it looks like it's working

                        

Asked by Alexander Mills (10744 rep)

Aug 28, 2019, 10:02 PM
Last activity: Oct 13, 2024, 03:51 PM

How to determine if file has been modified in the last x seconds

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