Send string to stdin
Is there a way to effectively do this in bash: /my/bash/script < echo ‘This string will be sent to stdin.’ I’m aware that … Read more
stdin
How to read from stdin line by line in Node
I’m looking to process a text file with node using a command line call like: node app.js < input.txt Each line of the … Read more
Confused about stdin, stdout and stderr?
I am rather confused with the purpose of these three files. If my understanding is correct, stdin is the file in which a … Read more
How to read from a file or standard input in Bash
The following Perl script (my.pl) can read from either the file in the command line arguments or from standard input (STDIN): while (<>) … Read more
Best practices with STDIN in Ruby? [closed]
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be … Read more
How do I pass a string into subprocess.Popen (using the stdin argument)?
If I do the following: import subprocess from cStringIO import StringIO subprocess.Popen([‘grep’,’f’],stdout=subprocess.PIPE,stdin=StringIO(‘one\ntwo\nthree\nfour\nfive\nsix\n’)).communicate()[0] I get: Traceback (most recent call last): File “<stdin>”, line 1, … Read more
How do you read from stdin?
I’m trying to do some of the code golf challenges, but they all require the input to be taken from stdin. How do … Read more