misc: .screenrc, config, functions & new scripts!

local/bin/x-compare-versions.py

@@ -0,0 +1,57 @@
+#!/usr/bin/env python
+"""
+Version Comparison tool for the CLI.
+
+Adapted from script found in anishathalye's dotfiles.
+https://github.com/anishathalye/dotfiles/blob/master/bin/vercmp
+"""
+
+import operator
+import sys
+
+from packaging import version
+
+str_to_operator = {
+    "==": operator.eq,
+    "!=": operator.ne,
+    "<": operator.lt,
+    "<=": operator.le,
+    ">": operator.gt,
+    ">=": operator.ge,
+}
+
+
+def vercmp(expr):
+    """Version Comparison function."""
+    words = expr.split()
+    comparisons = [words[i: i + 3] for i in range(0, len(words) - 2, 2)]
+    for left, op_str, right in comparisons:
+        compare_op = str_to_operator[op_str]
+        if not compare_op(version.parse(left), version.parse(right)):
+            return False
+    return True
+
+
+def main():
+    """Triggers version comparison if line is provided."""
+    for line in sys.stdin:
+        if not vercmp(line):
+            sys.exit(1)
+    sys.exit(0)
+
+
+def test():
+    """Basic functionality tests."""
+    assert not vercmp("1.9 >= 2.4")
+    assert vercmp("2.4 >= 2.4")
+    assert vercmp("2.5 >= 2.4")
+    assert vercmp("3 >= 2.999")
+    assert vercmp("2.9 < 2.9a")
+    assert vercmp("2.9a >= 2.8")
+
+
+if __name__ == "__main__":
+    if len(sys.argv) == 2 and sys.argv[1] == "test":
+        test()
+    else:
+        main()

local/bin/x-ip

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+# Source: https://github.com/thirtythreeforty/dotfiles/blob/master/bin/extip
+
+curl icanhazip.com "${@}"
+