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Full Discussion: Needs help in parsing comma separated values
Top Forums Shell Programming and Scripting Needs help in parsing comma separated values Post 302825549 by avikaljain on Monday 24th of June 2013 02:34:34 PM
Old 06-24-2013
Needs help in parsing comma separated values
hello experts,

i am retrieving values in variables jobKey and jobName within my shell script. these values are returned to me within braces [ ] and i am using following command to remove those braces:

Code:
jobKeys=`echo $jobKeys | sed 's:^.\(.*\).$:\1:'` 
jobNames=`echo $jobNames | sed 's:^.\(.*\).$:\1:'`

if there are two jobs my jobKeys and jobName variables consist comma separated values like

jobKeys=key-43321-4, key-99838-7
jobNames=job1, job2

I want to write a loop based on these variable values so that when the loops runs first time i should get following values in my variables:

jobKey=key-43321-4 and jobName=job1

and when loop runs second time my variable should have

jobKey=key-99838-7 and jobName=job2

I tried below but it goes into infinite loop:

Code:
while [[ -z ${jobKeys} && -z ${jobNames} ]] 
                        do 
                                        jobKey=`echo ${jobKeys} | cut -d, -f$i` 
                                        echo " " 
                                        echo "$jobKey" 
                                        jobName=`echo ${jobNames} | cut -d, -f$i` 
                                        echo " " 
                                        echo "$jobName" 
                                        i=`expr $i  + 1` 
                        done

any ideas what my loop should look like?
 

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LEARN ABOUT DEBIAN

mdbfontset

mdbFontset(5)							 The m17n Library						     mdbFontset(5)

NAME

       mdbFontset - Fontset

DESCRIPTION

       The m17n library loads a fontset definition from the m17n database by the tags <fontset, FONTSET-NAME>. The plist format of the data is as
       follows:

       FONTSET ::= PER-SCRIPT * PER-CHARSET * FALLBACK *

       PER-SCRIPT ::= '(' SCRIPT PER-LANGUAGE + ')'

       PER-LANGUAGE ::= '(' LANGUAGE FONT-SPEC-ELEMENT + ')'

       PER-CHARSET ::= '(' CHARSET FONT-SPEC-ELEMENT + ')'

       FALLBACK ::= FONT-SPEC-ELEMENT

       FONT-SPEC-ELEMENT ::= '(' FONT-SPEC [ FLT-NAME ] ')'

       FONT-SPEC ::=
	    '(' [ FOUNDRY FAMILY
		  [ WEIGHT [ STYLE [ STRETCH [ ADSTYLE ]]]]]
		REGISTRY
	     [ OTF-SPEC ] [ LANG-SPEC ] ')'

       SCRIPT is a symbol of script name (e.g. latin, han) or nil. LANGUAGE is a two-letter symbol of language name code defined by ISO 639 (e.g.
       ja, zh) or nil.

       FONT-SPEC is to specify properties of a font. FOUNDRY to REGISTRY are symbols corresponding to Mfoundry to Mregistry property of a font.
       See m17nFont for the meaning of each property.

       OTF-SPEC is a symbol specifyng the required OTF features. The symbol name has the following syntax.

	 OTF-SPEC-NAME ::= ':otf=' SCRIPT LANGSYS ? GSUB-FEATURES ? GPOS-FEATURES ?

	 SCRIPT ::= SYMBOL
	 LANGSYS ::= '/' SYMBOL

	 GSUB-FEATURES ::= '=' FEATURE-LIST ?

	 GPOS-FEATURES ::= '+' FEATURE-LIST ?

	 FEATURE-LIST ::= '~' ? FEATURE ( ',' '~' ? FEATURE ',' )

       Here, FEATURE is a four-letter Open Type feature.

       LANG-SPEC is a symbol specifying the required language support. The symbol name has the following syntax.

	 LANG-SPEC-NAME ::= ':lang=' LANG

       Here, LANG is a two or three-letter ISO-639 language code.

       FLT-NAME is a name of Font Layout Table (Font Layout Table).

EXAMPLE

       This is an example of PER_SCRIPT.

       (han
	 (ja
	   ((jisx0208.1983-0)))
	 (zh
	   ((gb2312.1980-0)))
	 (nil
	   ((big5-0))))

       It instructs the font selector to use a font of registry 'jisx0208.1983-0' for a 'han' character (i.e. a character whose Mscript property
       is 'han') if the character has Mlanguage text property 'ja' in an M-text and the character is in the repertories of such fonts. Otherwise,
       try a font of registry 'gb2312.1980-0' or 'big5-0'. If that 'han' character does not have Mlanguage text property, try all three fonts.

       See the function mdraw_text() for the detail of how a font is selected.

COPYRIGHT

       Copyright (C) 2001 Information-technology Promotion Agency (IPA)
       Copyright (C) 2001-2011 National Institute of Advanced Industrial Science and Technology (AIST)
       Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License
       <http://www.gnu.org/licenses/fdl.html>.

Version 1.6.2							    12 Jan 2011 						     mdbFontset(5)
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