LinuxQuestions.org - change date content

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QWE123

08-04-2015 05:40 AM

change date content

I have a file , the content as below.

#vi file

Code:

xxx Warning yyy zzz 111

xxx yyy Warning zzz 111

xxx yyy zzz Warning 111

what I would like to do is to change the words after the word Warning to "Please ignore" , so that the output becomes as below , would advise how to write the script ? thanks

Code:

xxx Warning Please ignore

xxx yyy Warning Please ignore

xxx yyy zzz Warning Please ignore

HMW	08-04-2015 06:05 AM

Hi!

This sed seems to do the trick:

Code:

echo "xxx Warning yyy zzz 111

xxx yyy Warning zzz 111

xxx yyy zzz Warning 111" | sed 's/\(.*Warning\).*/\1 Please ignore/g'

xxx Warning Please ignore

xxx yyy Warning Please ignore

xxx yyy zzz Warning Please ignore

Best regards,
HMW

grail

08-04-2015 08:49 AM

I am curious what this had to do with 'change date content' as this was the subject?

HMW	08-04-2015 11:01 AM

Quote:

Originally Posted by grail (Post 5400715)

I am curious what this had to do with 'change date content' as this was the subject?

I took it for a typo. Probably should be "change data content". If not, then I am at a loss as well.

QWE123

08-04-2015 10:34 PM

Quote:

Originally Posted by HMW (Post 5400758)

I took it for a typo. Probably should be "change data content". If not, then I am at a loss as well.

thanks reply , it works,

one more question , if I have 10 files need to be update , would advise how can I bulk update these files and directly update it rather than output to screen ?

Thanks

HMW	08-05-2015 02:26 AM

Quote:

Originally Posted by QWE123 (Post 5401005)

one more question , if I have 10 files need to be update , would advise how can I bulk update these files and directly update it rather than output to screen ?

Thanks

Check out sed -i

Code:

-i[SUFFIX], --in-place[=SUFFIX]

    edit files in place (makes backup if extension supplied). The default operation mode is to break symbolic and hard links. This can be changed with --follow-symlinks and --copy.

...to change the files 'in place'.

Best regards,
HMW

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