Bash脚本安装Tomcat后重命名目录失败，求解决方法

Let's break down why your rename and tar removal steps aren't working, then fix the script step by step:

1. Key Problems in Your Original Script #

• Broken mv command: Your current mv $TOMCAT_FILE/apache-tomcat-8.5.47 has two critical issues:
  • $TOMCAT_FILE points to the tar archive itself (/sys/project/apache-tomcat-8.5.47.tar.gz), not the extracted directory. The unpacked folder lives at /sys/project/apache-tomcat-8.5.47 after running tar zxf.
  • The mv command requires a target destination—you're only specifying the source folder without telling it what to rename/move it to.
• Incorrect rm path: rm -rf $TOMCAT_FILE/apache-tomcat-8.5.47.tar.gz tries to delete a file inside the tar package (which doesn't exist), but $TOMCAT_FILE is already the full path to the tar file itself.

2. Corrected Script #

TOMCAT_FILE=/sys/project/apache-tomcat-8.5.47.tar.gz
# Define clear paths for readability and maintainability
EXTRACTED_DIR=/sys/project/apache-tomcat-8.5.47
TARGET_DIR=/sys/project/apache

if [ -e "$TOMCAT_FILE" ]
then
    echo "##############"
    echo ""
    echo "Installing Tomcat"
    tar zxf "$TOMCAT_FILE" -C /sys/project/
    echo "##############"
    echo "Tomcat extraction completed"
    
    # Rename the extracted directory only if it exists
    if [ -d "$EXTRACTED_DIR" ]; then
        mv "$EXTRACTED_DIR" "$TARGET_DIR"
        echo "Tomcat directory renamed to 'apache'"
    else
        echo "Error: Extracted directory $EXTRACTED_DIR not found!"
        exit 1
    fi
    
    # Remove the original tar file (no need for -rf on a single file)
    rm -f "$TOMCAT_FILE"
    echo "Tomcat tar file removed"
fi

3. What Changed & Why #

• Added explicit path variables: EXTRACTED_DIR and TARGET_DIR eliminate path typos and make the script easier to adjust for different Tomcat versions.
• Fixed mv command: Now it correctly targets the unpacked directory and renames it to your desired apache folder.
• Fixed rm command: Uses $TOMCAT_FILE directly (since that's the full path to the tar) and uses -f instead of -rf (recursive delete isn't needed for a single file).
• Added error checking: We verify the extracted directory exists before trying to rename it, so you'll get a clear message if extraction fails instead of silent failure.

4. Post-Run Verification #

After executing the corrected script, check /sys/project/—you should see the apache directory (instead of the original apache-tomcat-8.5.47) and the tar file should no longer be present.

内容的提问来源于stack exchange，提问作者Anji