sed replace text in-between two strings

Question

I want to replace the host id in number of files and the host id is different in each file, so I have to replace the content between the tags <hostid> and </hostid>, each file has only one <hostid> line

<hostid>71342-231VMKDK-47WW-03dMV6</hostid>

to

 <hostid>xxxx-yyyyy-zzz-uuu-bb</hostid>

I did try something like below which didn't work

sed -i "" -e :a -e 's/\(hostid>[X]*\)[^X]\(.*<\)/\1\something\</;ta'

Please do add your efforts which you have put to solve your own problem in your post and let us know then. — RavinderSingh13
– RavinderSingh13, Commented Jun 12, 2019 at 1:34
Not an issue, we do encourage all users to add their efforts either wrong or right that is not an issue, I did add 1 answer let me know if that is helpful, cheers. — RavinderSingh13
– RavinderSingh13, Commented Jun 12, 2019 at 2:01

RavinderSingh13 · Accepted Answer · 2019-06-12 01:59:43Z

1

Could you please try following.

sed '/hostid/s/>.*</>xxxx-yyyyy-zzz-uuu-b</'  Input_file

In case you want to save output into Input_file itself along with taking backup of Input_file then change sed to sed -i.bak ....

answered Jun 12, 2019 at 1:59

RavinderSingh13

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