2
votes
5answers
657 views

Truncate file in a pipe

Is there a simple way to truncate a file in a pipe? Specifically, I want to chop of the last four bytes of a file before feeding it into another process. Ideally, I'd be able to write something like: ...
9
votes
3answers
7k views

Passing two arguments to a command using pipes

Usually, we only need to pass one argument: echo abc | cat echo abc | cat some_file - echo abc | cat - some_file Is there a way to pass two arguments? Something like {echo abc , echo xyz} | cat ...
0
votes
1answer
28 views

Piping results back into the program that generates them

I've got a program that can take input from stdin and produces output in the stdout like this: cat initial_input.txt | myprogram myindex myoptions - | filter_output > outfile.txt The program ...