nim-stew/stew/io.nim

14 lines
454 B
Nim

proc writeFile*(filename: string, content: openarray[byte]) =
## Opens a file named `filename` for writing. Then writes the
## `content` completely to the file and closes the file afterwards.
## Raises an IO exception in case of an error.
var f: File
if open(f, filename, fmWrite):
try:
f.writeBuffer(unsafeAddr content[0], content.len)
finally:
close(f)
else:
raise newException(IOError, "cannot open: " & filename)