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Full Discussion: complex requirement
Top Forums Shell Programming and Scripting complex requirement Post 302548362 by tnvanathy23 on Thursday 18th of August 2011 08:24:34 AM
Old 08-18-2011
complex requirement

i have a requirement to search a pattern1 and once the pattern1 is found i have to go up and search pattern2 and if pattern2 is found i have to search down for pattern3 and pattern4. once this cycle is compelted, again i have to search pattern1 and pattern2,3,4

i am able to do this by opening the file in vi mode. but pattern1 will be repeating many times and i want to create this as a shell script. as far i am aware i can move the search pointer up and down in vi mode but not using grep or sed or awk commands.

is there any way to run the vi commands in shell script?

sample text file
Code:
pattern2
xxxxxxxxxx
pattern3
xxxxxxx
yyyyyyyyyyy
pattern1
zzzzzzzz
zzzzzzzzz
pattern4
cccccccccccc
vvvvvvvvvvvvv
pattern2
iiiiiiiiiiiiiiiiiiiiiiiiii
pattern3
ggggggggggggggggg
hhhhhhhhhhhhhhhhhh
pattern1
llllllllllllllllllllllllll
kkkkkkkkkkkkkk
pattern4

i also want to repeat the cycle until pattern1 is found.

can any one help me on this?

Moderator's Comments:
Mod Comment Please use [code] and [/code] tags when posting code, data or logs etc. to preserve formatting and enhance readability, thanks.

Last edited by zaxxon; 08-18-2011 at 09:26 AM.. Reason: code tags
 

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CREATE TEXT SEARCH 
CONFIGURATION(7) SQL Commands CREATE TEXT SEARCH CONFIGURATION(7) NAME
CREATE TEXT SEARCH CONFIGURATION - define a new text search configuration SYNOPSIS
CREATE TEXT SEARCH CONFIGURATION name ( PARSER = parser_name | COPY = source_config ) DESCRIPTION
CREATE TEXT SEARCH CONFIGURATION creates a new text search configuration. A text search configuration specifies a text search parser that can divide a string into tokens, plus dictionaries that can be used to determine which tokens are of interest for searching. If only the parser is specified, then the new text search configuration initially has no mappings from token types to dictionaries, and therefore will ignore all words. Subsequent ALTER TEXT SEARCH CONFIGURATION commands must be used to create mappings to make the configura- tion useful. Alternatively, an existing text search configuration can be copied. If a schema name is given then the text search configuration is created in the specified schema. Otherwise it is created in the current schema. The user who defines a text search configuration becomes its owner. Refer to in the documentation for further information. PARAMETERS
name The name of the text search configuration to be created. The name can be schema-qualified. parser_name The name of the text search parser to use for this configuration. source_config The name of an existing text search configuration to copy. NOTES
The PARSER and COPY options are mutually exclusive, because when an existing configuration is copied, its parser selection is copied too. COMPATIBILITY
There is no CREATE TEXT SEARCH CONFIGURATION statement in the SQL standard. SEE ALSO
ALTER TEXT SEARCH CONFIGURATION [alter_text_search_configuration(7)], DROP TEXT SEARCH CONFIGURATION [drop_text_search_configuration(7)] SQL - Language Statements 2010-05-14 CREATE TEXT SEARCH CONFIGURATION(7)
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