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Shell Programming and Scripting

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# 1  
Old 06-14-2010
change line
Hello,

I want to change a line at file whit a script

i want to change line 150 for example, write hello and remove text of this line

EXAMPLE

LINE 150: my mother

change to:

LiNE 150: HELLO
# 2  
Old 06-14-2010
Code:
sed '150s/.*/HELLO/' infile

This User Gave Thanks to Scrutinizer For This Post:
uri_crack
# 3  
Old 06-14-2010
try:

Code:
sed "150s/.*/HELLO/" FICHERO_IN

This User Gave Thanks to albertogarcia For This Post:
uri_crack
# 4  
Old 06-14-2010
Quote:
Originally Posted by Scrutinizer
Code:
sed '150s/.*/HELLO/' infile

thanks, but....how i can save the file?

waht is .*¿¿¿

tahnks
# 5  
Old 06-14-2010
Hello,

I recommend you read: Sed - An Introduction and Tutorial

.* is:
. = any character
* = the "anterior" repeated any times

so, .* is "any phrase".

Then sed change "any phrase" in the line 150 for "HELLO".
You can redirect to other file with >:

Code:
sed "150s/.*/HELLO/" FILE_IN > FILE_OUT

This User Gave Thanks to albertogarcia For This Post:
uri_crack
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