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Noted, thank you for the information. Please close this thread as additional posts have had nothing of value to add to the script(s).

vgersh99 (https://www.unix.com/member_modal.php?u=37898&modal=1) I did some more testing with the awk script that segmentation faults. I've tested numerous IP ranges and anything that starts with 128...

Yes I was using awk native functions. Here is the script:
function range2cidr(ipStart, ipEnd, result, bits, mask, newip) {
bits = 1
mask = 1
while (bits < 32) {
newip =...

Quanzhou Broadcasting & TV Transmit Center:125.254.192.0-125.254.255.255
SoftbankBB gnufakes:126.72.94.40-126.72.94.40 <-- last success
BBN Communications:128.1.0.0-128.1.255.255
Lawrence...

Tried all 4 variants that you posted Don Cragun. Each one produced a segmentation fault at the exact same place as my previous code using awk. gawk is able to process the entire file without any...

Didn't work vgersh99. yeah I can install gawk. I just wanted it to work with awk. I'm using this on my OpenBSD firewall. I prefer to use base installed programs instead of having to install packages.

I'm using OpenBSD that uses awk (https://man.openbsd.org/awk.1) source coding dating back to 2011. gawk is not in the base install of OpenBSD because of the GNU licensing so it has to be installed as...

Forgive my ignorance. I get wrong results when running the script with a file containing the following IP address ranges. Note that the IP address ranges are separated by a space hyphen space.
...

I tested the new script with these test IP ranges and it didn't correctly convert the IP ranges to CIDR blocks so I initially thought it wasn't working correctly. The script does not work with this...

Thanks that fixed it. Overall there is a flaw in the script somewhere though. There are approx 470 IP ranges in the downloaded file that are converted wrong. For example these aren't converted...

vgersh99 while doing some tests with your script I noticed it seems to be producing wrong output. I removed the following line from your script and the output then seems to be correct.

!/^#/ && NF...

Thank you vgersh99 (https://www.unix.com/members/37898.html). I conducted benchmarks with the way I had previously downloaded the file and used my script and compared it to just downloading the file...

Thank you vgersh99 (https://www.unix.com/members/37898.html) for the modified script. I'm using an Intel Celeron N2930 on my OpenBSD box so the timings are definitely different. I appreciative the...

OpenBSD


/usr/bin/awk


-r-xr-xr-x 1 root bin 180464 Oct 11 12:18 /usr/bin/awk


OpenBSD man page for awk: Here (https://man.openbsd.org/awk.1)
The version of awk that OpenBSD supports...

vgersh99 (https://www.unix.com/members/37898.html) the sample I provided had a hyphen between the IP address ranges and the one you provided has a space for a field separator. Thank you for...

This works well. awk -f test.awk temp > done



Thanks I didn't notice that. Added it to my code.

So here is the code I ended up with:

#!/bin/awk -f

# Library with various ip...

After reviewing the suggested post I've come up with the following code:

#!/bin/sh

# Library with various ip manipulation functions
# convert ip ranges to CIDR notation

function...

2 scripts to convert IP ranges to CIDR notation using awk, gawk or mawk. The scripts are much faster than using ipcalc and will return the same results. The first script is reliably compatible with...

I intentionally changed the tag to token for the same reason I didn't want to post the entire html page here. It's my cable modem reboot page. I do appreciate your feedback and the yanx.awk solution...

From my OpenBSD firewall I use PERL to reboot my cable modem around 3:00 am. I do this daily to obtain a new IP from my ISP otherwise I end up with a static IP for weeks. The procedure I use:

Send...

So I figured out a solution for myself.

Note: Below is just a small portion of my entire HTML string. The entire HTML string contains roughly 17,500 characters.

<input type='hidden'...

Yes HTML and javascript. I don't want to use perl module HTML::TokeParser::Simple. Thanks again.

I have a large string containing about 17,500 characters and I would like to obtain the value for token. token only appears in the entire string once and is towards the end of the string at the...

There is a python script that I would like converted to a perl script. If someone has the time to convert the script I would appreciate it. You can find the script below:
...

All the following are working solutions to reboot the ARRIS SURFboard SB6183 cable modem:

Using curl
curl -d Rebooting=1 http://192.168.100.1/goform/RgConfiguration

Using wget
wget --quiet -O...