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i am doing some exercies in vim and i have a problem. I need to find a piece of text in another file in the same directory with my vim file. I used grep to find it but i had an error."bad situation" What i need to use to force grep to go out of vim file and search in "index.html" file ? Here is my grep code:

i = ${grep data-buying index.html | grep USD | grep -oh '[0-9].[0-9]*' | head -n 1}

What is wrong here ?

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    "... but i had an error." - Any particular error? Or one of those other errors that definitely wouldn't help people answer your question? – Useless Apr 27 '17 at 16:33
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Try :read !grep data-buying index.html | grep USD | grep -oh '[0-9].[0-9]*' | head -n 1.

:read !command will run command and standard output will be read into the current buffer at the cursor's location.

  • It didn't work. :( Colon at the beginning is refers to bash command ?(im newbie here sorry :D ) If it is, i wrote that code sample in the vim, file name is blabla.sh. But i tried also in vim it didnt work. – Bysalyanman Apr 27 '17 at 16:11
  • The colon indicated you are sending vim into command mode by typing a colon, which provides a colon prompt. You will then type read !command to execute command and import standard output into your current buffer as described. – DopeGhoti Apr 27 '17 at 16:28
  • I tried it either. It didnt work. it gives read : '!grep' :not a valid identifier. – Bysalyanman Apr 27 '17 at 16:43
  • Unable to replicate. – DopeGhoti Apr 27 '17 at 17:41
  • Try to run the same command but with full path of binaries like ":read !/usr/bin/grep data-buying index.html | /usr/bin/grep USD | /usr/bin/grep -oh '[0-9].[0-9]*' | /usr/bin/head -n 1" – LittleSmurfie Apr 27 '17 at 19:02

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