Improve examples scripts

examples/run_all.ps1

@@ -0,0 +1,3 @@
+cargo build --bins
+@(Get-ChildItem -Directory -Name) | %{cargo run --bin $_}
+rm pipeline-caching\pipeline_cache.bin

examples/run_all.sh

@@ -1,11 +1,11 @@
-#!/bin/bash
-set -e
+#!/usr/bin/env sh
+set -eu
 
 # This script builds and runs all the examples
 # It is NOT headless
 # Human input is required to close all the windows
 # Human monitoring is also required to check for errors in stdout
 
 cargo build --bins
-exa -F . | rg '/$' | sd '/' '' | rargs cargo run --bin {}
+ls -F | grep '/$' | sed 's|/||' | xargs -E '' -I {} cargo run --bin {}
 rm -f pipeline-caching/pipeline_cache.bin

examples/run_all_headless.ps1

@@ -0,0 +1,13 @@
+foreach ($example in Get-ChildItem -Directory -Name) {
+    $proc = Start-Process "cargo" "run --bin $example" -NoNewWindow -PassThru
+
+    $timeouted = $null
+
+    $proc | Wait-Process -Timeout 15 -ErrorAction SilentlyContinue -ErrorVariable timeouted
+
+    if ($timeouted) {
+        $proc | Stop-Process
+    } elseif ($proc.ExitCode -ne 0) {
+        Exit $proc.ExitCode
+    }
+}

examples/run_all_headless.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env sh
+set -eu
+
+ls -F | grep '/$' | sed 's|/$||' | xargs -E '' -I {} timeout --preserve-status 15s cargo run --bin {}
+rm -f pipeline-caching/pipeline_cache.bin