PL (.pl)
.pl file signature | text/x-perl
InterleafPrinterLeaf / WorldView document format (nowBroadvisionQuickSilver)
Magic Bytes
Offset 0
65 76 61 6C 20 22 65 78 65 63 20 2F 75 73 72 2F 6C 6F 63 61 6C 2F 62 69 6E 2F 70 65 72 6C
Sources: Apache Tika
All Known Signatures
6 signature variants are documented for .pl files across multiple sources.
| Hex Signature | Offset | Sources |
|---|---|---|
| 65 76 61 6C 20 22 65 78 65 63 20 2F 75 73 72 2F 6C 6F 63 61 6C 2F 62 69 6E 2F 70 65 72 6C | 0 | Apache Tika |
| 23 21 2F 62 69 6E 2F 70 65 72 6C | 0 | Apache Tika |
| 23 21 2F 62 69 6E 2F 65 6E 76 20 70 65 72 6C | 0 | Apache Tika |
| 23 21 2F 75 73 72 2F 62 69 6E 2F 70 65 72 6C | 0 | Apache Tika |
| 23 21 2F 75 73 72 2F 6C 6F 63 61 6C 2F 62 69 6E 2F 70 65 72 6C | 0 | Apache Tika |
| D0 4F 50 53 | 0 | Wikipedia |
Extension
.pl
MIME Type
text/x-perl
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .pl files in Python
def is_pl(file_path: str) -> bool:
"""Check if file is a valid PL by magic bytes."""
signature = bytes([0x65, 0x76, 0x61, 0x6C, 0x20, 0x22, 0x65, 0x78, 0x65, 0x63, 0x20, 0x2F, 0x75, 0x73, 0x72, 0x2F, 0x6C, 0x6F, 0x63, 0x61, 0x6C, 0x2F, 0x62, 0x69, 0x6E, 0x2F, 0x70, 0x65, 0x72, 0x6C])
with open(file_path, "rb") as f:
return f.read(30) == signatureHow to validate .pl files in Node.js
function isPL(buffer: Buffer): boolean {
const signature = Buffer.from([0x65, 0x76, 0x61, 0x6C, 0x20, 0x22, 0x65, 0x78, 0x65, 0x63, 0x20, 0x2F, 0x75, 0x73, 0x72, 0x2F, 0x6C, 0x6F, 0x63, 0x61, 0x6C, 0x2F, 0x62, 0x69, 0x6E, 0x2F, 0x70, 0x65, 0x72, 0x6C]);
return buffer.subarray(0, 30).equals(signature);
}How to validate .pl files in Go
func IsPL(data []byte) bool {
signature := []byte{0x65, 0x76, 0x61, 0x6C, 0x20, 0x22, 0x65, 0x78, 0x65, 0x63, 0x20, 0x2F, 0x75, 0x73, 0x72, 0x2F, 0x6C, 0x6F, 0x63, 0x61, 0x6C, 0x2F, 0x62, 0x69, 0x6E, 0x2F, 0x70, 0x65, 0x72, 0x6C}
if len(data) < 30 {
return false
}
return bytes.Equal(data[:30], signature)
}API Endpoint
/api/v1/pl
curl https://filesignature.org/api/v1/pl
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .pl file?
A .pl file is a PL file. InterleafPrinterLeaf / WorldView document format (nowBroadvisionQuickSilver)
What are the magic bytes for .pl files?
The magic bytes for PL files are 65 76 61 6C 20 22 65 78 65 63 20 2F 75 73 72 2F 6C 6F 63 61 6C 2F 62 69 6E 2F 70 65 72 6C at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .pl file?
To validate a .pl file, read the first bytes of the file and compare them against the known magic bytes (65 76 61 6C 20 22 65 78 65 63 20 2F 75 73 72 2F 6C 6F 63 61 6C 2F 62 69 6E 2F 70 65 72 6C) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .pl files?
The primary MIME type for .pl files is text/x-perl.
Is it safe to open .pl files?
PL (.pl) files are generally safe to open. They are classified as low risk because they primarily contain data rather than executable code. However, always ensure files come from a trusted source.