File size: 1,269 Bytes
7f0ec95 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | #!/bin/bash
# Frontmatter Parser Utility
# Extracts YAML frontmatter from .local.md files
set -euo pipefail
# Usage
show_usage() {
echo "Usage: $0 <settings-file.md> [field-name]"
echo ""
echo "Examples:"
echo " # Show all frontmatter"
echo " $0 .claude/my-plugin.local.md"
echo ""
echo " # Extract specific field"
echo " $0 .claude/my-plugin.local.md enabled"
echo ""
echo " # Extract and use in script"
echo " ENABLED=\$($0 .claude/my-plugin.local.md enabled)"
exit 0
}
if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
show_usage
fi
FILE="$1"
FIELD="${2:-}"
# Validate file
if [ ! -f "$FILE" ]; then
echo "Error: File not found: $FILE" >&2
exit 1
fi
# Extract frontmatter
FRONTMATTER=$(sed -n '/^---$/,/^---$/{ /^---$/d; p; }' "$FILE")
if [ -z "$FRONTMATTER" ]; then
echo "Error: No frontmatter found in $FILE" >&2
exit 1
fi
# If no field specified, output all frontmatter
if [ -z "$FIELD" ]; then
echo "$FRONTMATTER"
exit 0
fi
# Extract specific field
VALUE=$(echo "$FRONTMATTER" | grep "^${FIELD}:" | sed "s/${FIELD}: *//" | sed 's/^"\(.*\)"$/\1/' | sed "s/^'\\(.*\\)'$/\\1/")
if [ -z "$VALUE" ]; then
echo "Error: Field '$FIELD' not found in frontmatter" >&2
exit 1
fi
echo "$VALUE"
exit 0
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