How to delete a word from first line of a file using bash/shell scripting

Question

I want to delete a particular word from first line of a file using shell script

My test.txt is

# hello helloworld
Goodday
Goodbye

In this I want the bash code which edits test.txt to

 # helloworld
 Goodday
 Goodbye

I want to delete the string "hello" from the first line

Welcome to Stack Overflow. Please read [the help pages](http://stackoverflow.com/help), take the SO [tour], read [ask], as well as [this question checklist](https://codeblog.jonskeet.uk/2012/11/24/stack-overflow-question-checklist/). Lastly please learn how to create a [mcve] of *your own* attempt and show it to us, together with a description of the problems you have with it. — Some programmer dude, Mar 10 '20 at 07:00
And if you work with shell scripts, why did you add the C and C++ tags? Please don't spam unrelated tags. — Some programmer dude, Mar 10 '20 at 07:01

score 0 · Answer 1 · answered Mar 10 '20 at 07:14

0

Sed with the -i option is one way to do this - see https://www.gnu.org/software/sed/manual/sed.html

answered Mar 10 '20 at 07:14

Chris

1 Answers1