How to use pipes with $os.cmd()? #4946
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ganigeorgiev
AfdhalAtiffTan
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Hello, For example, this command: ls | grep oldI am not sure how to get the output into a variable: const cmd_a = $os.cmd('ls');
const cmd_b = $os.cmd('grep', 'old');
cmd_b.stdin = cmd_a.stdoutPipe();
// cmd_b.stdout = os.stdout; // ?
cmd_b.start();
cmd_a.run();
cmd_b.wait();Any suggestions? |
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Answered by
ganigeorgiev
May 17, 2024
Replies: 1 comment 1 reply
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I'm not sure how this could be easily done with the JSVM since we currently don't have a helper that will convert a writer into a string/bytes slice. A simpler alternative could be to invoke the |
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1 reply
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That has worked for me, thank you! |
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Answer selected by
AfdhalAtiffTan
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I'm not sure how this could be easily done with the JSVM since we currently don't have a helper that will convert a writer into a string/bytes slice.
A simpler alternative could be to invoke the
sh -ccommand instead, ex.$os.cmd('sh', '-c', 'ls | grep old')