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echo "hello" | kdialog --textbox -

I was hopping that row should pipe the word hello over to kdialog, and by setting the file argument to -, it should have used the piped text as content.

Is it possible to pipe the content to kdialog?

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I'd use here strings to pass the text to kdialog stdin:

kdialog --textbox /dev/stdin <<< Hello

If you need to pass the output of a command you can use command substitution:

kdialog --textbox /dev/stdin <<< $(my_script.sh | sed_command)
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  • as I have a script thats piped to sed, and then going to be displayed, so cant use here-strings. tried use echo "hello" | kdialog --textbox /dev/stdin but that didn't work :-( – Puggan Se Sep 2 '15 at 12:03
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    @PugganSe: You could try this sort of command kdialog --textbox /dev/stdin <<< $(my_script.sh | sed_command) – Sylvain Pineau Sep 2 '15 at 12:07
  • The comment version works, but the answer version dosn't work, won't accept it unless you update it to the working soloution – Puggan Se Sep 9 '15 at 8:19
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    @PugganSe: Sure thing, see my edit with command substitution – Sylvain Pineau Sep 9 '15 at 11:20

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