Bash: Check if file is found and contains data

 στο Bash Από

The following code will check if the file described by variable FILENAME exists and has data.

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if [ ! -f "$FILENAME" ]; then
 
    echo "Error: '$FILENAME' file not found.";
else
 
    if [ ! -s "$FILENAME" ]; then
 
        echo "Error: '$FILENAME' file is empty.";
    else
 
        echo "Info: '$FILENAME' file found and contains data.";
    fi
fi

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