bash : add info how to check that file exists.

.editorconfig

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+root = true
+
+[*]
+end_of_line = lf
+charset = utf-8
+indent_style = tab
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true

help/linux/bash/script/CheckFileExists.md

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+# Check if file exists in Bash.
+
+* -f file: True if the file exists and is a regular file.
+* -d file: True if the file exists and is a directory.
+* -s file: True if the file exists and has a size greater than zero.
+* -r file: True if the file exists and is readable.
+* -w file: True if the file exists and is writable.
+* -x file: True if the file exists and is executable.
+* -L file: True if the file exists and is a symbolic link.
+* -e file: True if the file exists (regardless of type).
+
+Here are examples using -e, -f, -d options to check if file or directory exists:
+
+> Using -e option to check if a file or directory exists. It returns true if the specified path exists, regardless of whether it is a regular file, a directory, a symbolic link, or any other type of file.
+
+```bash
+	#!/bin/bash
+
+	if [ -e /path/to/your/file ]; then
+		echo "File or directory exists."
+	else
+		echo "File or directory does not exist."
+	fi
+```