How to check if file exists or not in bash?

@marina You can use [ -f "path_to_file" ]; to check if file exist or not in Bash, here is code as example:

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PATH="/tmp/test.txt"
if [ -f "$PATH" ]; then
  echo "File exist!"
else
  echo "File does not exists!"
fi

@marina 

You can use the test or [ command to check if a file exists and determine what type of file it is in bash. For example, you can use the following command to check if a file named "file.txt" exists in the current directory:

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if [ -e "file.txt" ]; then
  echo "file exists"
else
  echo "file does not exist"
fi

You can also use the -f option to check if the file is a regular file:

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if [ -f "file.txt" ]; then
  echo "file is a regular file"
else
  echo "file is not a regular file"
fi