shell script to remove all lines from a file before a line starting with pattern Post: 302301908

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lptest

lptest(1B)					     SunOS/BSD Compatibility Package Commands						lptest(1B)

NAME

       lptest - generate line printer ripple pattern

SYNOPSIS

       /usr/ucb/lptest [length [count]]

DESCRIPTION

       The  lptest  utility  writes the traditional ripple test pattern to the standard output. In 96 lines, the ripple test pattern prints all 96
       printable ASCII characters in each position. The ripple test pattern was originally created to test printers.  It is also useful for  test-
       ing terminals, driving terminal ports, debugging, and performing tasks that require a quick supply of random data.

       This command is obsolete.

OPTIONS

       length	 Specifies the length of the output line in characters. 79 characters is the default.

       count	 Specifies the number of output lines. 200 lines is the default. If  count is specified, length must also be specified.

EXIT STATUS

       The following exit values are returned:

       0	   Successful completion.

       non-zero    An error occurred.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWscplp 		   |
       +-----------------------------+-----------------------------+

SEE ALSO

       attributes(5)

SunOS 5.11							    9 Sep 1996								lptest(1B)

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shell script to replace a line contain an unkown pattern starting with "aaa, bbb"

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How to remove particular line from file through shell script?

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