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Full Discussion: Read and write in the file
Top Forums Shell Programming and Scripting Read and write in the file Post 302742569 by cero on Tuesday 11th of December 2012 09:31:04 AM
Old 12-11-2012
Quote:
Originally Posted by pamu
Is this what you want..?
...
To change original file with sed..

try

Code:
sed -i 's/0$/1/' file

The sed solution that ignores lines ending with 1 would look like this:
Code:
sed -e '/1$/d;s/0$/1/' /path/to/input >/path/to/output

PS: sed -i creates a tempfile somewhere...
 

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line(1)                                                            User Commands                                                           line(1)

NAME
line - read one line SYNOPSIS
line DESCRIPTION
The line utility copies one line (up to and including a new-line) from the standard input and writes it on the standard output. It returns an exit status of 1 on EOF and always prints at least a new-line. It is often used within shell files to read from the user's terminal. EXIT STATUS
Exit status is: 0 Successful completion >0 End-of-file on input. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
sh(1), read(2), attributes(5) SunOS 5.10 1 Feb 1995 line(1)
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