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Questions - herestring

Missing file specification after redirection operator

I got the following error: | cat << EOF > config.yaml | ~ Missing file specification after redirection operator.` my code in power shell is following cat << EOF > config.yam...
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usman khan

powershell

heredoc

herestring

Votes: 0

Answers: 1

Latest Answer

It looks like you're mistakenly trying to use bash syntax in PowerShell, namely a here-document. The PowerShell equivalent, with different syntax, is a here-string.[1] The equivalent of the bash state...
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mklement0

oc exec with heredoc: cannot pass variable into command to execute in container; rpc error: code = 2 desc = oci runtime error

I want to use oc exec to execute a cat in my pod. In this cat command I need to expand some variable. cat /opt/amq/data/split-$index/running So, I try this: oc exec -i $pod -- '"/bin/bash" ...
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WesternGun

bash

openshift

herestring

Votes: 0

Answers: 1

Latest Answer

Find a way without using heredoc. oc rsh can run commands and return results directly: oc rsh pod_name cat /opt/data/... So that's what I need. Then I don't need oc exec. And, see the error message, ...
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WesternGun

How does ANSI C-Quoting in Herestrings work?

Why is this not working? bla=" multi line string " cat -A <<EOF ${bla//\$'\n'/\\\$'\n'} EOF this works: cat -A <<EOF $(cat <<<${bla//$'\n'/\\$'\n'}) EOF as noted in ...
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Booker B

bash

heredoc

ansi-c

parameter-expansion

herestring

Votes: 0

Answers: 2

Latest Answer

I think you need to remove some of the \ in the parameter expansion. That is, it should read ${bla//$'\n'\$$'\n'}. $ bla=" multi line string " $ printf "%q\n" "$bla" $'\n...
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Colin Fraizer

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