Performance difference between stdin and command line argument
For some commands, it is possible to specify certain input as either stdin or a command line argument.
pipe
Pipe all input and output of terminal to file
I do not know if this is even possible or not, but in an attempt to keep track of many changes I am about to make to my system I want to track all input I type and all output from a terminal I’m working with to a file. I’ve been messing around trying to … Read more
Understanding piped commands in Unix/Linux
I have two simple programs: A and B. A would run first, then B gets the “stdout” of A and uses it as its “stdin”. Assume I am using a GNU/Linux operating system and the simplest possible way to do this would be:
Bash: cannot break out of piped “while read” loop; process substitution works
I intend to pipe the output of a program into a while read VAR loop and break when a pattern is found, but it doesn’t.
Use bash’s read builtin without a while loop
I’m used to bash‘s builtin read function in while loops, e.g.:
Name of the process on the other end of a unix pipe?
If two processes are connected by a pipe,