feat: supports functions in bash/js/python/ruby (#6)

sh/get_current_weather.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+set -e
+
+# @describe Get the current weather in a given location.
+# @option --location! The city and optionally the state or country, e.g., "London", "San Francisco, CA".
+
+main() {
+    curl -fsSL "https://wttr.in/$(echo "$argc_location" | sed 's/ /+/g')?format=4&M"
+}
+
+eval "$(argc --argc-eval "$0" "$@")"

sh/may_execute_command.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+set -e
+
+# @describe Executes a shell command.
+# @option --command~ Command to execute, such as `ls -la`
+
+main() {
+    eval "$argc_command"
+}
+
+eval "$(argc --argc-eval "$0" "$@")"

sh/search_duckduckgo.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -e
+
+# @describe Takes in a query string and returns search result from DuckDuckGo.
+# Use it to answer user questions that require dates, facts, real-time information, or news.
+# This ensures accurate and up-to-date answers.
+
+# @meta require-tools ddgr
+# @env DDG_MAX_RESULTS=5 The max results to return.
+# @option --query! The query to search for.
+
+main() {
+    ddgr -n $DDG_MAX_RESULTS --json "$argc_query"
+}
+
+eval "$(argc --argc-eval "$0" "$@")"

sh/search_wolframalpha.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+set -e
+
+# @describe Get an answer to a question using Wolfram Alpha. Input should the query in English.
+# Use it to answer user questions that require computation, detailed facts, data analysis, or complex queries.
+# This ensures accurate and precise answers.
+
+# @option --query! The query to search for.
+# @env WOLFRAM_API_ID!
+
+main() {
+  local curl_args=(
+    -sSf -G
+    --data-urlencode "output=JSON"
+    --data-urlencode "format=plaintext"
+    --data-urlencode "input=$argc_query"
+    --data-urlencode "appid=$WOLFRAM_API_ID"
+    "https://api.wolframalpha.com/v2/query"
+  )
+  curl "${curl_args[@]}" | \
+  jq -r '.queryresult.pods[] | select(.subpods[0].plaintext != "")'
+}
+
+eval "$(argc --argc-eval "$0" "$@")"