How can I time a pipe?
I want to time a command which consists of two separate commands with one piping output to another. For example, consider the two scripts below:
pipe
Why is the array empty after the while loop?
I try to initialize an array in bash-4.2 next way: ring=() ls -las | tail -n +4 | while read line > do > ring+=("$line") > echo ${ring[-1]} > done 3924 -rw-r–r– 1 username group 4015716 Mar 23 15:14 script.jar 4 -rw-r–r– 1 username group 9 Feb 29 12:40 rec.lst 5541 -rw-r–r– 1 username group … Read more
Can I pipe stdout on one server to stdin on another server?
stdout on one CentOS server needs to be piped to stdin on another CentOS server. Is this possible?
What is the difference between “cat file | ./binary” and “./binary < file"?
I have a binary (that I can’t modify) and I can do:
continuous reading from named pipe (cat or tail -f)
I have configured rsyslog to log certain log events to /dev/xconsole:
How do I use tee to redirect to grep
I don’t have much experience of using tee, so I hope this is not very basic.
Pipe to multiple files in the shell
I have an application which will produce a large amount of data which I do not wish to store onto the disk. The application mostly outputs data which I do not wish to use, but a set of useful information that must be split into separate files. For example, given the following output:
find and rsync?
I want to be able to search for files over 14 days and over 10k and than rsync those found files to a destination.
Redirect stdout over ssh
I would like to run
How can the order of execution in the shell as it relates to redirection be upset about 1 time out of a 1000 on my system?
Considering this Q&A about the order of execution in the shell as it relates to redirection, and despite the fact that if a file doesn’t exist it gets created first so that cat example.txt | shuf > example.txt doesn’t complain that the file doesn’t exist – which just confirms the order from what I understand – then why is it that about once every thousand times on my system the shuffle works when I do this (backup contains 15 static values each on their line)