fileinput.filename()
fileinput.filename() is a Python function in the Fileinput Module category. Returns the current file name being processed. The syntax is fileinput.filename(). Returns: Current filename string. A typical example: for line in fileinput.input():
if fileinput.isfirstline():
print(f"--- {fileinput.filename()} ---"). A close sibling is fileinput.input(), which iterates over lines from multiple input files (like awk). A close sibling is fileinput.filelineno(), which returns the line number in the current file (1-based). A close sibling is fileinput.lineno(), which returns the cumulative line number across all files. A close sibling is fileinput.isfirstline(), which returns True if the line is the first line of its file. More about this category: File input helper — input, filename, filelineno, nextfile. Related Fileinput Module entries: fileinput.input(), fileinput.filelineno(), fileinput.lineno(), fileinput.isfirstline(), fileinput.nextfile(). This page is part of the free Python Reference documentation covering 978+ functions, methods, and modules with examples and parameter details.