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Top Forums Shell Programming and Scripting Selecting a part of the text (regex pattern, awk, sed) Post 302455488 by TehOne on Tuesday 21st of September 2010 08:20:27 PM
Old 09-21-2010
Question Selecting a part of the text (regex pattern, awk, sed)

Hello,

let's start by giving you guys a few examples of the text:

Code:
"READ /TEXT123/ABC123"
"READ /TEXT123/ABC123/"
"READ TEXT123/ABC123"
"READ TEXT123/ABC123/"
"READ TEXT123/TEXT456/ABC123"
"READ /TEXT123/TEXT456/ABC123"
"READ /TEXT123/TEXT456/ABC123/"

TEXT and ABC can be [a-zA-Z0-9._-()] and I need to assign both into a separated variable..

Code:
    TEXT=`echo $1 | awk -F" " '{print $2}' | sed 's/^\/\?\(.*\)\/\(.*\)\/\?$/\1/'`
    ABC=`echo $1 | awk -F" " '{print $2}' | sed 's/^\/\?\(.*\)\/\(.*\)\/\?$/\2/'`

That's how far I got and it works almost for them all, beside the ones with a / in the end..

I'd really appreciate any help, especially from all the one-liner experts.. oh and thanks in advance Smilie

Last edited by TehOne; 09-21-2010 at 09:40 PM..
 

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START 
TRANSACTION(7) SQL Commands START TRANSACTION(7) NAME
START TRANSACTION - start a transaction block SYNOPSIS
START TRANSACTION [ transaction_mode [, ...] ] where transaction_mode is one of: ISOLATION LEVEL { SERIALIZABLE | REPEATABLE READ | READ COMMITTED | READ UNCOMMITTED } READ WRITE | READ ONLY DESCRIPTION
This command begins a new transaction block. If the isolation level or read/write mode is specified, the new transaction has those charac- teristics, as if SET TRANSACTION [set_transaction(7)] was executed. This is the same as the BEGIN [begin(7)] command. PARAMETERS
Refer to SET TRANSACTION [set_transaction(7)] for information on the meaning of the parameters to this statement. COMPATIBILITY
In the standard, it is not necessary to issue START TRANSACTION to start a transaction block: any SQL command implicitly begins a block. PostgreSQL's behavior can be seen as implicitly issuing a COMMIT after each command that does not follow START TRANSACTION (or BEGIN), and it is therefore often called ``autocommit''. Other relational database systems might offer an autocommit feature as a convenience. The SQL standard requires commas between successive transaction_modes, but for historical reasons PostgreSQL allows the commas to be omit- ted. See also the compatibility section of SET TRANSACTION [set_transaction(7)]. SEE ALSO
BEGIN [begin(7)], COMMIT [commit(7)], ROLLBACK [rollback(7)], SAVEPOINT [savepoint(7)], SET TRANSACTION [set_transaction(7)] SQL - Language Statements 2010-05-14 START TRANSACTION(7)
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