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Top Forums Shell Programming and Scripting [Solved] Problem in reading a file line by line till it reaches a white line Post 302446707 by kevintse on Thursday 19th of August 2010 11:10:52 AM
Old 08-19-2010
Reading a file line by line till it reaches a white line:
Code:
awk '/^.+$/{ print; next} {exit}' inputfile

 

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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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