fixes #763

Author: jph00

fastcore/tools.py

@@ -57,7 +57,8 @@ def run_cmd(
     try:
         ensure(not (disallow_re and re.search(disallow_re, argstr)), 'args disallowed')
         ensure(not (allow_re    and re.search(   allow_re, argstr)), 'args not allowed')
-        outp = run([cmd] + split(argstr), text=True, stdin=DEVNULL, capture_output=True)
+        args = [str(Path(a).expanduser()) if a.startswith('~') else a for a in split(argstr)]
+        outp = run([cmd] + args, text=True, stdin=DEVNULL, capture_output=True)
     except: return explain_exc(f'running cmd')
     res = outp.stdout
     if res and outp.stderr: res += '\n'

nbs/12_tools.ipynb

@@ -228,7 +228,8 @@
     "    try:\n",
     "        ensure(not (disallow_re and re.search(disallow_re, argstr)), 'args disallowed')\n",
     "        ensure(not (allow_re    and re.search(   allow_re, argstr)), 'args not allowed')\n",
-    "        outp = run([cmd] + split(argstr), text=True, stdin=DEVNULL, capture_output=True)\n",
+    "        args = [str(Path(a).expanduser()) if a.startswith('~') else a for a in split(argstr)]\n",
+    "        outp = run([cmd] + args, text=True, stdin=DEVNULL, capture_output=True)\n",
     "    except: return explain_exc(f'running cmd')\n",
     "    res = outp.stdout\n",
     "    if res and outp.stderr: res += '\\n'\n",
@@ -253,27 +254,27 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "\u001b[34m__pycache__\u001b[m\u001b[m\n",
-      "_parallel_win.ipynb\n",
-      "_quarto.yml\n",
-      "00_test.ipynb\n",
-      "000_tour.ipynb\n",
-      "01_basics.ipynb\n",
-      "02_foundation.ipynb\n",
-      "03_xtras\n"
+      "\u001b[34maai-ws\u001b[m\u001b[m\n",
+      "\u001b[34mApplications\u001b[m\u001b[m\n",
+      "autoexec.ipynb\n",
+      "\u001b[34mbooks\u001b[m\u001b[m\n",
+      "cachy.jsonl\n",
+      "\u001b[34mchats\u001b[m\u001b[m\n",
+      "CRAFT.ipynb\n",
+      "\u001b[34mDesktop\u001b\n"
      ]
     }
    ],
    "source": [
-    "print(run_cmd('ls')[:128])"
+    "print(run_cmd('ls', '~')[:128])"
    ]
   },
   {
    "cell_type": "markdown",
    "id": "ee40009c",
    "metadata": {},
    "source": [
-    "Note that, for tool safety, this is not passed through the shell, so wildcards, env vars, etc will not work:"
+    "Note that, for tool safety, this is not passed through the shell, so wildcards, env vars, etc will not work (although `~` will):"
    ]
   },
   {