pipe

Hi! I wonder if it's possible to do the thing that I've described in the title? Suppose that I have two scripts: foo: #!/bin/sh idx=0 while [ $idx -le 10 ]; do echo $idx idx=$((idx + 1)) sleep 1 done bar: #!/bin/sh while read line; do echo "The pipe received: $line" done...

I want to rate limit all outgoing traffic. I'm able to do so by following these steps Add the following line to /boot/loader.conf: dummynet_load="YES" Add the following lines to /etc/rc.conf: firewall_enable="YES" firewall_script="/etc/ipfw.rules" The /etc/ipfw.rules file looks like this...

Hello, I'm experimenting with data filtering use some of console programs and found weird behaviour with piping STDOUT of GNU grep to /dev/null. File test is 10Gb of data (apache log). $ /usr/bin/time -h ggrep 'GET' test > /dev/null 0,00s real 0,00s user 0,00s sys It seems...

What are link, pipe and socket files and how to use them? and what are non-text type of files that I dont know of?

After a few days of searching I found this easy way to bring back the output of a process back to screen even if the source terminal is closed. The advantage is that you do not need extra software to manage this. 1. Start the process, write it to a new pipe and send it to the background f.e...