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Top Forums Shell Programming and Scripting Extract all the sentences that matched two patterns Post 302947909 by my_Perl on Tuesday 23rd of June 2015 08:35:11 PM
Old 06-23-2015
Extract all the sentences that matched two patterns

Hi

I have two lists of patterns named A and B consisting of around 200 entries in each and I want to extract all the sentences from a big text file which match atleast one pattern from both A and B.

For example, pattern list A consists of :

ama
ani
ahum
mari

...
...

and pattern list B consists of :

kok
sam
lai
mit

....
....


The sample input text file looks like below:

HTML Code:
This is first sentence with only one pattern ama.
This is second sentence with ahum and kok patterns.
This is the third sentence with only one pattern mit.
This is the fourth sentence consisting of samson and marigold.
This is the fifth sentence with more patterns such as ama, ani, lai and mit.
This is the sixth sentence with no patterns.
..
..

..
The sample output of the script for the given input text file is given below

HTML Code:
This is second sentence with ahum and kok patterns.
This is the fourth sentence consisting of samson and marigold.
This is the fifth sentence with more patterns such as ama, ani, lai and mit.

..
..

..

I need help to write a script to extract all the sentences that matches atleast one pattern from each A and B. That is, the output contains atleast one GREEN pattern and one RED pattern for every sentence. Thanks in advance. Smilie
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copt(1) 							z88 Development Kit							   copt(1)

NAME
copt - peephole optimizer SYSNOPIS
copt file ... DESCRIPTION
copt is a general-purpose peephole optimizer. It reads code from its standard input and writes an improved version to its standard output. copy reads the named files for its optimizations, which are encoded as follows: <pattern for input line 1> <pattern for input line 2> ... <pattern for input line n> = <pattern for output line 1> <pattern for output line 2> ... <pattern for output line m> <blank line> Pattern matching uses literal string comparison, with one exception: ``%%'' matches the ``%'' character, and ``%'' followed by a digit matches everything up to the next occurrence of the next pattern character, though all occurrences of %n must denote the same string. For example, the pattern ``%1=%1.'' matches exactly those strings that begin with a string X, followed by a ``='' (the first), followed by a second occurrence of X, followed by a period. In this way, the input/output pattern mov $%1,r%2 mov *r%2,r%2 = mov %1,r%2 commands copt to replace runs like mov $_a,r3 mov *r3,r3 with mov _a,r3 Note that a tab or newline can terminate a %n variable. copt compares each run of input patterns with the current input instruction and its predecessors. If no match is found, it advances to the next input instruction and tries again. Otherwise, it replaces the input instructions with the corresponding output patterns, pattern vari- ables instantiated,and resumes its search with the first instruction of the replacement. copt matches input patterns in reverse order to cascade optimizations without backing up. BUGS
Errors in optimization files are always possible. SEE ALSO
z88dk(1), z88dk-zcc(1), z88dk-z80asm(1), z88dk-appmake(1), z88dk-copt(1). AUTHOR
z88dk was written by Dominic Morris <dom@z88dk.org>, and others. 01 December 2009 copt(1)
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