Added many, many more actions.

utils/shasum-files/action.yaml

@@ -0,0 +1,28 @@
+name: shasum-files
+description: "Output the shasum of files in a directory matching a pattern."
+inputs:
+  directory:
+    description: "Directory to search."
+    required: true
+    default: '.'
+  pattern:
+    description: "Pattern of files to search for."
+    required: true
+    default: '*'
+outputs:
+  sums:
+    description: "The sums of the files matching the pattern."
+    value: ${{ steps.sums.outputs.sums }}
+runs:
+  using: "composite"
+  steps:
+  - name: "Get sums of files matching the pattern"
+    id: sums
+    run: |
+      OUTPUT=$(bash ${{ github.action_path }}/get_sums.sh "${{ inputs.directory }}" "${{ inputs.pattern }}")
+      if [[ -n "$OUTPUT" ]]; then
+        echo "sums<<EOF" >> "$GITHUB_OUTPUT"
+        echo "$OUTPUT" >> "$GITHUB_OUTPUT"
+        echo "EOF" >> "$GITHUB_OUTPUT"
+      fi
+    shell: bash

utils/shasum-files/get_sums.sh

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+#!/bin/bash
+# Get the directory and pattern as arguments
+DIR=$1
+PATTERN=$2
+
+find "$DIR" -type f -name "$PATTERN" -print0 | while IFS= read -r -d '' file; do
+  # compute the sha256 hash of the file using sha256sum command
+  HASH=$(sha256sum "$file" | cut -d " " -f1)
+  NAME=$(basename "$file")
+  # print the file name and hash to a temporary file
+  echo "$NAME: $HASH"
+done