agarzon
/ dnsbl.sh
Last active
January 28, 2025 15:41
DNS Black List - Linux shell script (improved from: http://www.daemonforums.org/showthread.php?t=302)
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/bin/sh | |
| # Check if an IP address is listed on one of the following blacklists | |
| # The format is chosen to make it easy to add or delete | |
| # The shell will strip multiple whitespace | |
| BLISTS=" | |
| b.barracudacentral.org | |
| bb.barracudacentral.org | |
| bl.deadbeef.com | |
| bl.mailspike.net |
spig
/ validate_barcode.js
Last active
May 10, 2024 15:10
Validate a barcode UPC-E, UPC-A, EAN, EAN-14, SSCC
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // checksum calculation for GTIN-8, GTIN-12, GTIN-13, GTIN-14, and SSCC | |
| // based on http://www.gs1.org/barcodes/support/check_digit_calculator | |
| function isValidBarcode(barcode) { | |
| // check length | |
| if (barcode.length < 8 || barcode.length > 18 || | |
| (barcode.length != 8 && barcode.length != 12 && | |
| barcode.length != 13 && barcode.length != 14 && | |
| barcode.length != 18)) { | |
| return false; | |
| } |
NewerOlder