diff options
| -rw-r--r-- | changelog.md | 2 | ||||
| -rw-r--r-- | lib/system/io.nim | 12 |
2 files changed, 13 insertions, 1 deletions
diff --git a/changelog.md b/changelog.md index 32c6935db..451883dbb 100644 --- a/changelog.md +++ b/changelog.md @@ -18,7 +18,7 @@ ## Library additions - `macros.newLit` now works for ref object types. - +- `system.writeFile` has been overloaded to also support `openarray[byte]`. ## Library changes diff --git a/lib/system/io.nim b/lib/system/io.nim index a39e8cf94..7ba36a30d 100644 --- a/lib/system/io.nim +++ b/lib/system/io.nim @@ -679,6 +679,18 @@ proc writeFile*(filename, content: string) {.tags: [WriteIOEffect], benign.} = else: sysFatal(IOError, "cannot open: " & filename) +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) proc readLines*(filename: string, n = 1.Natural): seq[TaintedString] = ## read `n` lines from the file named `filename`. Raises an IO exception |