60 lines
1.2 KiB
Bash
Executable File
60 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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# Frontmatter Parser Utility
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# Extracts YAML frontmatter from .local.md files
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set -euo pipefail
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# Usage
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show_usage() {
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echo "Usage: $0 <settings-file.md> [field-name]"
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echo ""
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echo "Examples:"
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echo " # Show all frontmatter"
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echo " $0 .claude/my-plugin.local.md"
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echo ""
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echo " # Extract specific field"
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echo " $0 .claude/my-plugin.local.md enabled"
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echo ""
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echo " # Extract and use in script"
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echo " ENABLED=\$($0 .claude/my-plugin.local.md enabled)"
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exit 0
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}
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if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
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show_usage
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fi
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FILE="$1"
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FIELD="${2:-}"
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# Validate file
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if [ ! -f "$FILE" ]; then
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echo "Error: File not found: $FILE" >&2
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exit 1
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fi
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# Extract frontmatter
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FRONTMATTER=$(sed -n '/^---$/,/^---$/{ /^---$/d; p; }' "$FILE")
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if [ -z "$FRONTMATTER" ]; then
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echo "Error: No frontmatter found in $FILE" >&2
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exit 1
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fi
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# If no field specified, output all frontmatter
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if [ -z "$FIELD" ]; then
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echo "$FRONTMATTER"
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exit 0
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fi
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# Extract specific field
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VALUE=$(echo "$FRONTMATTER" | grep "^${FIELD}:" | sed "s/${FIELD}: *//" | sed 's/^"\(.*\)"$/\1/' | sed "s/^'\\(.*\\)'$/\\1/")
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if [ -z "$VALUE" ]; then
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echo "Error: Field '$FIELD' not found in frontmatter" >&2
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exit 1
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fi
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echo "$VALUE"
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exit 0
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