#!/bin/bash # Repurpose source content into platform-optimized versions set -euo pipefail SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" source "${SCRIPT_DIR}/../_common/lib.sh" INPUT=$(read_json_input "${1:-}") [ -z "$INPUT" ] && error_exit "Usage: execute.sh '{\"source\":\"content text\",\"platforms\":\"x-thread,linkedin,xiaohongshu\",\"tone\":\"professional\",\"brand\":\"personal\",\"outputDir\":\"/path/to/output\"}'" # Parse parameters SOURCE=$(printf '%s' "$INPUT" | jq -r '.source // empty') SOURCE_FILE=$(printf '%s' "$INPUT" | jq -r '.sourceFile // empty') PLATFORMS=$(printf '%s' "$INPUT" | jq -r '.platforms // "x-thread,linkedin"') TONE=$(printf '%s' "$INPUT" | jq -r '.tone // "professional"') OUTPUT_DIR=$(printf '%s' "$INPUT" | jq -r '.outputDir // empty') BRAND=$(printf '%s' "$INPUT" | jq -r '.brand // "personal"') LANGUAGE=$(printf '%s' "$INPUT" | jq -r '.language // "auto"') # Load source content from file if sourceFile is provided if [ -n "$SOURCE_FILE" ]; then if [ ! -f "$SOURCE_FILE" ]; then error_exit "Source file not found: $SOURCE_FILE" fi SOURCE=$(cat "$SOURCE_FILE") fi require_param "source" "$SOURCE" # Truncate source for processing (keep first 4000 chars) if [ ${#SOURCE} -gt 4000 ]; then SOURCE="${SOURCE:0:4000}..." fi # --- Platform config lookup functions (bash 3.x compatible) --- get_platform_max_len() { case "$1" in x-thread) echo "1400" ;; x-single) echo "280" ;; linkedin) echo "3000" ;; xiaohongshu) echo "1000" ;; substack) echo "10000" ;; youtube-desc) echo "5000" ;; *) echo "" ;; esac } get_platform_style() { case "$1" in x-thread) echo "Split into 3-7 tweets (each <=280 chars). Start with a strong hook. Use line breaks between tweets. Mark tweet boundaries with [1/N] format. Include 2-3 relevant hashtags on the last tweet only. Conversational, punchy, opinionated." ;; x-single) echo "Single tweet, max 280 chars. Punchy hook + key insight. 1-2 hashtags max." ;; linkedin) echo "Professional long-form post, 150-300 words. Start with a bold opening line. Use short paragraphs (1-2 sentences each). Include a clear takeaway or call-to-action. Data-driven where possible. No hashtags in the body, add 3-5 hashtags at the very end." ;; xiaohongshu) echo "Chinese language (Simplified). Casual, relatable tone with emoji. Start with an attention-grabbing title line. Use bullet points and short paragraphs. Include 5-8 topic hashtags in #topic# format at the end. Target audience: Chinese tech professionals, entrepreneurs, AI enthusiasts." ;; substack) echo "Long-form article/newsletter format. Include a compelling title, subtitle, and structured sections with H2/H3 headers. Write 500-1500 words expanding on the source. Include a personal anecdote or insight. End with a discussion prompt for reader engagement." ;; youtube-desc) echo "YouTube video description format. Start with a 2-3 sentence summary. Include timestamps placeholder [00:00 - Topic]. Add relevant links section. Include 10-15 tags/keywords comma-separated at the bottom. Keep under 5000 chars." ;; *) echo "" ;; esac } get_platform_suffix() { case "$1" in x-thread) echo "x-thread.md" ;; x-single) echo "x-single.md" ;; linkedin) echo "linkedin.md" ;; xiaohongshu) echo "xiaohongshu.md" ;; substack) echo "substack.md" ;; youtube-desc) echo "youtube-desc.md" ;; *) echo "" ;; esac } get_tone_desc() { case "$1" in professional) echo "Professional and authoritative. Data-driven. Measured confidence." ;; casual) echo "Conversational and approachable. Uses humor sparingly. Feels like talking to a smart friend." ;; technical) echo "Precise and detailed. Assumes technical audience. Uses specific terminology." ;; inspiring) echo "Motivational and forward-looking. Personal stories. Empowering language." ;; provocative) echo "Bold and contrarian. Challenges conventional wisdom. Strong opinions backed by reasoning." ;; *) echo "Professional and authoritative. Data-driven. Measured confidence." ;; esac } get_brand_voice() { case "$1" in personal) echo "Steve's personal voice: Google PM with 7 years experience, side hustle enthusiast (24 projects), AI-native builder, Build in Public advocate. Speaks from first-person experience. Boston-based, bilingual (EN/CN)." ;; crewly) echo "Crewly brand voice: Technical but not boring. Developer-first. Concise and powerful. Honest about limitations. Uses concrete examples and code snippets. Tagline: Your AI Team, Ready in Days - Not Months." ;; *) echo "Professional voice with authentic personal touch." ;; esac } # --- Resolve tone and brand --- TONE_MODIFIER=$(get_tone_desc "$TONE") BRAND_MODIFIER=$(get_brand_voice "$BRAND") # Parse platforms IFS=',' read -ra PLATFORM_ARRAY <<< "$PLATFORMS" RESULTS="[]" FILES_WRITTEN="[]" for platform in "${PLATFORM_ARRAY[@]}"; do platform=$(echo "$platform" | xargs | tr '[:upper:]' '[:lower:]') MAX_LEN=$(get_platform_max_len "$platform") STYLE=$(get_platform_style "$platform") SUFFIX=$(get_platform_suffix "$platform") if [ -z "$STYLE" ]; then RESULTS=$(echo "$RESULTS" | jq \ --arg platform "$platform" \ '. + [{"platform":$platform,"error":"Unsupported platform. Use: x-thread, x-single, linkedin, xiaohongshu, substack, youtube-desc"}]') continue fi # Language instruction LANG_INSTRUCTION="" if [ "$LANGUAGE" = "auto" ]; then if [ "$platform" = "xiaohongshu" ]; then LANG_INSTRUCTION="Write in Simplified Chinese." else LANG_INSTRUCTION="Write in English." fi elif [ "$LANGUAGE" = "zh" ]; then LANG_INSTRUCTION="Write in Simplified Chinese." elif [ "$LANGUAGE" = "en" ]; then LANG_INSTRUCTION="Write in English." elif [ "$LANGUAGE" = "both" ]; then LANG_INSTRUCTION="Write in English with key phrases in Chinese where natural." fi # Write prompt file if outputDir specified FILE_PATH="" if [ -n "$OUTPUT_DIR" ]; then mkdir -p "$OUTPUT_DIR" FILE_PATH="${OUTPUT_DIR}/${SUFFIX}" cat > "$FILE_PATH" <