โครงงานการเขียนสคริปต์ขั้นสูง

เริ่มโครงการ: โจทย์ท้าทาย

กำหนดเป้าหมายโครงการของเรา

พื้นฐานสคริปต์: Shebang และตัวแปร

#!/bin/bash

# --- Configuration Variables ---
MONITOR_DIR="/tmp/coddykit_monitor"
ARCHIVE_DIR="/tmp/coddykit_archive"
LOG_FILE="/tmp/coddykit_script.log"

# Log script start
echo "$(date): Script initialized." >> "$LOG_FILE"

ตรวจสอบให้แน่ใจว่าไดเรกทอรีมีอยู่

#!/bin/bash

# --- Configuration Variables ---
MONITOR_DIR="/tmp/coddykit_monitor"
ARCHIVE_DIR="/tmp/coddykit_archive"
LOG_FILE="/tmp/coddykit_script.log"

# Log script start
echo "$(date): Script initialized." >> "$LOG_FILE"

# Ensure monitoring and archive directories exist
mkdir -p "$MONITOR_DIR" || { echo "$(date): ERROR: Cannot create $MONITOR_DIR. Exiting." >> "$LOG_FILE"; exit 1; }
mkdir -p "$ARCHIVE_DIR" || { echo "$(date): ERROR: Cannot create $ARCHIVE_DIR. Exiting." >> "$LOG_FILE"; exit 1; }

echo "$(date): Directories checked/created." >> "$LOG_FILE"

ลูปตรวจสอบ

#!/bin/bash

# --- Configuration Variables ---
MONITOR_DIR="/tmp/coddykit_monitor"
ARCHIVE_DIR="/tmp/coddykit_archive"
LOG_FILE="/tmp/coddykit_script.log"

# Log script start
echo "$(date): Script initialized." >> "$LOG_FILE"

# Ensure monitoring and archive directories exist
mkdir -p "$MONITOR_DIR" || { echo "$(date): ERROR: Cannot create $MONITOR_DIR. Exiting." >> "$LOG_FILE"; exit 1; }
mkdir -p "$ARCHIVE_DIR" || { echo "$(date): ERROR: Cannot create $ARCHIVE_DIR. Exiting." >> "$LOG_FILE"; exit 1; }

echo "$(date): Directories checked/created." >> "$LOG_FILE"

# --- Main Monitoring Loop ---
while true; do
  echo "$(date): Checking for new files in $MONITOR_DIR..." >> "$LOG_FILE"
  # File processing will go here
  sleep 5 # Check every 5 seconds
done

การค้นหาและประมวลผลไฟล์

#!/bin/bash

# --- Configuration Variables ---
MONITOR_DIR="/tmp/coddykit_monitor"
ARCHIVE_DIR="/tmp/coddykit_archive"
LOG_FILE="/tmp/coddykit_script.log"

# Log script start
echo "$(date): Script initialized." >> "$LOG_FILE"

# Ensure monitoring and archive directories exist
mkdir -p "$MONITOR_DIR" || { echo "$(date): ERROR: Cannot create $MONITOR_DIR. Exiting." >> "$LOG_FILE"; exit 1; }
mkdir -p "$ARCHIVE_DIR" || { echo "$(date): ERROR: Cannot create $ARCHIVE_DIR. Exiting." >> "$LOG_FILE"; exit 1; }

echo "$(date): Directories checked/created." >> "$LOG_FILE"

# --- Main Monitoring Loop ---
while true; do
  echo "$(date): Checking for new files in $MONITOR_DIR..." >> "$LOG_FILE"
  # Find new .txt files and process them
  for file in $(find "$MONITOR_DIR" -maxdepth 1 -type f -name "*.txt"); do
    if [ -f "$file" ]; then # Double-check if it's a regular file
      LINE_COUNT=$(wc -l < "$file")
      echo "$(date): Found '$file'. Lines: $LINE_COUNT." >> "$LOG_FILE"
      # Archiving will go here
    fi
  done
  sleep 5 # Check every 5 seconds
done

การจัดเก็บไฟล์ที่ประมวลผลแล้ว

#!/bin/bash

# --- Configuration Variables ---
MONITOR_DIR="/tmp/coddykit_monitor"
ARCHIVE_DIR="/tmp/coddykit_archive"
LOG_FILE="/tmp/coddykit_script.log"

# Log script start
echo "$(date): Script initialized." >> "$LOG_FILE"

# Ensure monitoring and archive directories exist
mkdir -p "$MONITOR_DIR" || { echo "$(date): ERROR: Cannot create $MONITOR_DIR. Exiting." >> "$LOG_FILE"; exit 1; }
mkdir -p "$ARCHIVE_DIR" || { echo "$(date): ERROR: Cannot create $ARCHIVE_DIR. Exiting." >> "$LOG_FILE"; exit 1; }

echo "$(date): Directories checked/created." >> "$LOG_FILE"

# --- Main Monitoring Loop ---
while true; do
  echo "$(date): Checking for new files in $MONITOR_DIR..." >> "$LOG_FILE"
  for file in $(find "$MONITOR_DIR" -maxdepth 1 -type f -name "*.txt"); do
    if [ -f "$file" ]; then
      LINE_COUNT=$(wc -l < "$file")
      echo "$(date): Found '$file'. Lines: $LINE_COUNT." >> "$LOG_FILE"
      
      mv "$file" "$ARCHIVE_DIR/"
      if [ $? -eq 0 ]; then
        echo "$(date): Moved '$file' to '$ARCHIVE_DIR'." >> "$LOG_FILE"
      else
        echo "$(date): ERROR: Failed to move '$file' to '$ARCHIVE_DIR'." >> "$LOG_FILE"
      fi
    fi
  done
  sleep 5
done

การเพิ่มการออกจากโปรแกรมอย่างเหมาะสมด้วย Trap

#!/bin/bash

# --- Configuration Variables ---
MONITOR_DIR="/tmp/coddykit_monitor"
ARCHIVE_DIR="/tmp/coddykit_archive"
LOG_FILE="/tmp/coddykit_script.log"

# --- Functions ---
cleanup() {
  echo "$(date): Script received stop signal. Exiting gracefully." >> "$LOG_FILE"
  exit 0 # Exit with success status
}

# --- Trap Signals ---
# Trap SIGINT (Ctrl+C) and call the cleanup function
trap cleanup SIGINT

# Log script start
echo "$(date): Script initialized." >> "$LOG_FILE"

# Ensure monitoring and archive directories exist
mkdir -p "$MONITOR_DIR" || { echo "$(date): ERROR: Cannot create $MONITOR_DIR. Exiting." >> "$LOG_FILE"; exit 1; }
mkdir -p "$ARCHIVE_DIR" || { echo "$(date): ERROR: Cannot create $ARCHIVE_DIR. Exiting." >> "$LOG_FILE"; exit 1; }

echo "$(date): Directories checked/created." >> "$LOG_FILE"

# --- Main Monitoring Loop ---
while true; do
  echo "$(date): Checking for new files in $MONITOR_DIR..." >> "$LOG_FILE"
  for file in $(find "$MONITOR_DIR" -maxdepth 1 -type f -name "*.txt"); do
    if [ -f "$file" ]; then
      LINE_COUNT=$(wc -l < "$file")
      echo "$(date): Found '$file'. Lines: $LINE_COUNT." >> "$LOG_FILE"
      
      mv "$file" "$ARCHIVE_DIR/"
      if [ $? -eq 0 ]; then
        echo "$(date): Moved '$file' to '$ARCHIVE_DIR'." >> "$LOG_FILE"
      else
        echo "$(date): ERROR: Failed to move '$file' to '$ARCHIVE_DIR'." >> "$LOG_FILE"
      fi
    fi
  done
  sleep 5
done

การทดสอบสคริปต์ขั้นสูงของคุณ

#!/bin/bash
# create_test_file.sh

MONITOR_DIR="/tmp/coddykit_monitor"
mkdir -p "$MONITOR_DIR" # Ensure dir exists for this test script

# Create a unique test file
TEST_FILE="$MONITOR_DIR/test_log_$(date +%Y%m%d_%H%M%S).txt"
echo "This is a test entry." > "$TEST_FILE"
echo "Another line for testing." >> "$TEST_FILE"
echo "Created new test file: $TEST_FILE"

ทบทวนตรรกะของสคริปต์

ต่อยอด: การตั้งเวลาและการปรับแต่ง

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