Strict rules:
lp commands via exec| User says | Environment variables |
|---|---|
| ----------- | ---------------------- |
| "Print the latest file" / "Print this file" | (default, no variables needed) |
| "Print the last two files" / "Print these two files" | LIMIT=2 |
| "Print files starting with report" | NAME_PREFIX=report |
| "Print files with contract in the name" | NAME_CONTAINS=contract |
| "Print the PDF I just uploaded" / "Print the PDF from just now" | MINUTES=5 FILE_TYPE=pdf |
| "Print the last three files" | LIMIT=3 MINUTES=10 |
FILE_TYPE values: pdf / image / video / doc / file (default — matches all)
# Default: print latest file
PRINTER=MyPrinter <SKILL_DIR>/slack_fetch_and_print.sh
# Print the latest 2 files
PRINTER=MyPrinter LIMIT=2 <SKILL_DIR>/slack_fetch_and_print.sh
# Print files whose name starts with "report"
PRINTER=MyPrinter NAME_PREFIX=report <SKILL_DIR>/slack_fetch_and_print.sh
# Print PDFs uploaded in the last 5 minutes
PRINTER=MyPrinter MINUTES=5 FILE_TYPE=pdf <SKILL_DIR>/slack_fetch_and_print.sh
Script prints Sent to printer: for each file on success.
echo "content to print" | lp -d <PrinterName>
Multi-line content:
cat > /tmp/openclaw_print.txt << 'EOF'
content
EOF
lp -d <PrinterName> /tmp/openclaw_print.txt
lpstat -a
lpq -P <PrinterName>
cancel -a <PrinterName>
lpstat -p <PrinterName>
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