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Top Forums Shell Programming and Scripting Read env variables from argument file Post 302483137 by bOngY on Friday 24th of December 2010 01:24:52 AM
Old 12-24-2010
Read env variables from argument file

Hi,
I have a generic shell script (runBatchJob.sh) to read files (batchJob) with commands in them and execute the commands by reading the batchJob file as below
Code:
./runBatchJob.sh batchJob

batchJob file
Code:
$BATCHDIR/execute_procedure.sh
$DATADIR/collectData.sh
$OTHER_ENV_VAR/doSomething.sh

Now my problem is I'm perfectly able to execute each of the above commands from runBatchJob.sh, $BATCHJOB being replaced by /home/batchDir and so on and so forth.

But when I read the commands out of an argument file in my shell script $BATCHJOB doesn't get replaced at all and I cant run the command. When I echo the statement it prints fine.

Actual code of runBatchJob.sh
$1 being above batchJob file
Code:
i=1;
while [ $i -le `wc -l $1 | cut -d" " -f8` ]
    do
        echo Running `head -$i $1 | tail -1`; 
        echo `head -$i $1 | tail -1`;    
        `head -$i $1 | tail -1`;
        i=`expr $i + 1`;
   done;

Please help Smilie

---------- Post updated at 11:54 AM ---------- Previous update was at 11:39 AM ----------

Ok below worked Smilie
eval `head -$i $1 | tail -1`;
 

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Locale::Script(3pm)					 Perl Programmers Reference Guide				       Locale::Script(3pm)

NAME
Locale::Script - standard codes for script identification SYNOPSIS
use Locale::Script; $script = code2script('phnx'); # 'Phoenician' $code = script2code('Phoenician'); # 'Phnx' $code = script2code('Phoenician', LOCALE_CODE_NUMERIC); # 115 @codes = all_script_codes(); @scripts = all_script_names(); DESCRIPTION
The "Locale::Script" module provides access to standards codes used for identifying scripts, such as those defined in ISO 15924. Most of the routines take an optional additional argument which specifies the code set to use. If not specified, the default ISO 15924 four-letter codes will be used. SUPPORTED CODE SETS
There are several different code sets you can use for identifying scripts. A code set may be specified using either a name, or a constant that is automatically exported by this module. For example, the two are equivalent: $script = code2script('phnx','alpha'); $script = code2script('phnx',LOCALE_SCRIPT_ALPHA); The codesets currently supported are: alpha, LOCALE_SCRIPT_ALPHA This is a set of four-letter (capitalized) codes from ISO 15924 such as 'Phnx' for Phoenician. It also includes additions to this set included in the IANA language registry. The Zxxx, Zyyy, and Zzzz codes are not used. This is the default code set. num, LOCALE_SCRIPT_NUMERIC This is a set of three-digit numeric codes from ISO 15924 such as 115 for Phoenician. ROUTINES
code2script ( CODE [,CODESET] ) script2code ( NAME [,CODESET] ) script_code2code ( CODE ,CODESET ,CODESET2 ) all_script_codes ( [CODESET] ) all_script_names ( [CODESET] ) Locale::Script::rename_script ( CODE ,NEW_NAME [,CODESET] ) Locale::Script::add_script ( CODE ,NAME [,CODESET] ) Locale::Script::delete_script ( CODE [,CODESET] ) Locale::Script::add_script_alias ( NAME ,NEW_NAME ) Locale::Script::delete_script_alias ( NAME ) Locale::Script::rename_script_code ( CODE ,NEW_CODE [,CODESET] ) Locale::Script::add_script_code_alias ( CODE ,NEW_CODE [,CODESET] ) Locale::Script::delete_script_code_alias ( CODE [,CODESET] ) These routines are all documented in the Locale::Codes::API man page. SEE ALSO
Locale::Codes The Locale-Codes distribution. Locale::Codes::API The list of functions supported by this module. http://www.unicode.org/iso15924/ Home page for ISO 15924. http://www.iana.org/assignments/language-subtag-registry The IANA language subtag registry. AUTHOR
See Locale::Codes for full author history. Currently maintained by Sullivan Beck (sbeck@cpan.org). COPYRIGHT
Copyright (c) 1997-2001 Canon Research Centre Europe (CRE). Copyright (c) 2001-2010 Neil Bowers Copyright (c) 2010-2012 Sullivan Beck This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.16.2 2012-10-11 Locale::Script(3pm)
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