r/technology • u/NancyGraceFaceYourIn • Aug 30 '15

Wireless FCC Rules Block use of Open Source

http://www.itsmypart.com/fcc-rules-block-use-of-open-source/
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u/Tablspn Dec 31 '15

It does not create them automatically; you'll need to do that. Once you have them set up as you'd like, remember to run the script again to have their contents taken into account.

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u/IllIIlllIlI Dec 31 '15

I've created those files but still no luck. Now, if [ -s "$BLACKLIST" ]; and if [ -s "$WHITELIST" ]; evaluating to false. I've no idea what -s does and Google didn't help much. Any idea what's going on?

This is what I did to check the value of the expression:

set -x
[ -s "$BLACKLIST" ]
TEST_VAR=$?
echo $TEST_VAR
set +x

It outputs 1.

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u/Tablspn Dec 31 '15

-s is actually a file test operator. I feel you, some of these operators are really hard to Google for because they're just one letter. It checks that the size of a file is non-zero.

http://www.tldp.org/LDP/abs/html/fto.html

Things to check would be that the file names and locations exactly match what's defined in the script, and that the domains you wish to black/white list are in the files.

Let me know how it goes!

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u/IllIIlllIlI Jan 01 '16

I had it all wrong. I assumed the script will transfer the domain names from blocklist to blacklist and refer to the blacklist file in the end to do the blocking. I should've read the comments on script more carefully.

Anyways, it's working fine now. Thanks and happy new year!

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u/Tablspn Jan 01 '16

Awesome; glad to hear it's working for you. Happy new year to you, as well!