Results for “Filesystem operations”
Small, practical examples. Search by task or narrow things down below.
Append an item to a small array
PowerShell: The plus-equals operator builds a new array; use a generic list for repeated large additions.
PowerShell✓ Tested
Append several items to an array
Bash Scripts: Array-plus-equals adds elements without losing spaces inside a quoted item.
Bash Scripts✓ Tested
Build a mutable generic list
PowerShell: A generic list supports repeated additions without copying an entire array each time.
PowerShell✓ Tested
Calculate a file’s SHA-256 digest
PowerShell: Get-FileHash hashes bytes without requiring the caller to load the whole file.
PowerShell✓ Tested
Calculate a fixed-window moving average
C: For this small window, sum each complete group and skip incomplete prefixes.
C✓ Tested
Calculate a least common multiple using a GCD
C: Divide before multiplying to reduce the risk of intermediate overflow.
C✓ Tested
Calculate a small factorial iteratively
C: Multiply a bounded sequence using an unsigned accumulator.
C✓ Tested
Calculate an average without integer division truncation
C: Accumulate into double and divide by the nonzero number of readings.
C✓ Tested
Calculate the greatest common divisor
C: Euclid’s algorithm repeatedly replaces a pair with the divisor and remainder.
C✓ Tested
Check exact array membership
Bash Scripts: Compare each element literally instead of searching a concatenated string.
Bash Scripts✓ Tested
Check whether a range is already sorted
C++: is_sorted reports ordering without modifying the input.
C++✓ Tested
Clean up a temporary directory automatically
Python: Use TemporaryDirectory as a context manager so cleanup also happens after exceptions.
Python✓ Tested