How to append a text file?

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10-18-2013

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How to append a text file?

i have to append a text file
grep for a word, if found, put comment in starting of the line.

here is an example

Code:

cat test.sh
bin/ksh
Hello World
Test Message
:wq!

search for "bin" word in test.sh file if found comment it out at starting of the line:

Output as follows:

Code:

#bin/ksh
Hello World
Test Message

Last edited by Franklin52; 10-18-2013 at 06:27 AM.. Reason: Please use code tags

raghur77

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Quote:

Originally Posted by raghur77

i have to append a text file
grep for a word, if found, put comment in starting of the line.

here is an example

Code:

cat test.sh
bin/ksh
Hello World
Test Message
:wq!

search for "bin" word in test.sh file if found comment it out at starting of the line:

Output as follows:

Code:

#bin/ksh
Hello World
Test Message

try

Code:

$ sed 's/^bin*\//#bin\//g' file

OR

Code:

$ awk '/^bin/{$0="#"$0}1 file

Resulting

Code:

#bin/ksh
Hello World
Test Message

put ! if required

Akshay Hegde

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To APPEND a textfile....

Code:

cat filetoadd >> filegetsaddedhere

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or :

Code:

sed 's/^bin.*/#&/'

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10-18-2013

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hi

actually i have the file as follow:

Code:

policyserver="something.com Hello World
policyserver="something_new.com:44441
Test Message

how do i search for policyserver="something.com and put # (comment)

OUTPUT as follow:

Code:

#policyserver="something.com Hello World
policyserver="something_new.com:44441
Test Message---------- Post updated at 06:45 PM ---------- Previous update was at 06:02 PM ----------

it is working now

 awk '/^policyserver="something.com/{$0="#"$0}1' file

Thanks to all

Last edited by raghur77; 10-18-2013 at 08:47 PM.. Reason: Code tags

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Try:

Code:

sed '/^policyserver="something.com Hello World /s/^/#/' file

Don Cragun

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