rename `tools` to `packages` to follow convention

The convention is to use `pkgs` or `packages` for overlays and
definition of custom packages. Since I'm already using `pkg` for go,
I prefer to use `packages` for my scripts.

1 files changed, 30 insertions, 0 deletions

diff --git a/packages/seqstat/seqstat.py b/packages/seqstat/seqstat.py
new file mode 100755
index 0000000..55b6ecc
--- /dev/null
+++ b/packages/seqstat/seqstat.py
@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+
+import argparse
+
+ticks = ["▁", "▂", "▃", "▄", "▅", "▆", "▇", "█"]
+
+
+def histogram(sequence):
+    min_val = min(sequence)
+    max_val = max(sequence)
+
+    scale = (int(max_val - min_val) << 8) / (len(ticks) - 1)
+    if scale < 1:
+        scale = 1
+
+    return [ticks[int((int(i - min_val) << 8) / scale)] for i in sequence]
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "numbers",
+        metavar="N",
+        type=float,
+        nargs="+",
+        help="a number for the accumulator",
+    )
+    args = parser.parse_args()
+    h = histogram(args.numbers)
+    print("".join(h))