How to replace some content of a file and write with a new name

mwrg · #1 (**permalink**) 11-15-2009

Hi

I have a control file which looks like this

LOAD DATA
INFILE '/home/scott/XXX.dat'
PRESERVE BLANKS
.............
.............

how can i change the content of this file and replace the file in the second line with anothe file name and write it back with another name to the disk?

Thanks

scottn · #2 (**permalink**) 11-15-2009

Code:

sed "2s@.*@INFILE 'newfile'@" infile > outfile

mwrg · #3 (**permalink**) 11-15-2009

Thanks buddy

one more thing. How can i add a new line before the third line (Which is PRESERVE BLANKS) so the new file will look like this

LOAD DATA
INFILE '/home/scott/XXX.dat'
<New Line>
PRESERVE BLANKS
.............
.............

scottn · #4 (**permalink**) 11-15-2009

Code:

sed "/INFILE/s@.*@INFILE 'newfile/etc'@;/^PRES/i\ " infile > outfile

mwrg · #5 (**permalink**) 11-15-2009

Thanks buddy

Scrutinizer · #6 (**permalink**) 11-15-2009

Code:

sed "s#^\(INFILE\).*#\1 '/path/to/newfile'\n#" infile > outfile

Bits Awarded / Charged to scottn for this Post
Date	User	Comment	Amount
11-15-2009	Scrutinizer	I like the "i\ "	500

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