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Full Discussion: Merge column file
Top Forums Shell Programming and Scripting Merge column file Post 302931787 by RudiC on Thursday 15th of January 2015 12:56:35 PM
Old 01-15-2015
Nice!

But - two lines are missing, the ones that would be first to be printed alone.

And, if you reverse the order of the files, you get
Code:
111 aaa
222 bbb
ddd
eee
fff
 
333 ggg
444 hhh
jjj

If you printed $line2 prefixed by a <TAB>, like printf "\t%s\n" "$line2" and printf "%s\t%s\n" "$line1" "$line2" , result were
Code:
111    aaa
222    bbb
       ddd
       eee
       fff
    
333    ggg
444    hhh
       jjj

Try this corrected version of MadeInGermany's proposal:
Code:
while   read line2 <&4
        e2=$?
        read line1 <&3 || [ $e2 -eq 0 ]
   do   if [ -z "$line1" ]
          then  printf "\t%s\n" "$line2" 
                while read line2 <&4 && [ -n "$line2" ]
                   do printf "\t%s\n" "$line2"   
                   done
        elif [ -z "$line2" ]  
          then  printf "%s\n" "$line1"
                while read line1 <&3 && [ -n "$line1" ]
                   do   printf "%s\n" "$line1"
                   done
        fi
        printf "%s\t%s\n" "$line1" "$line2"
   done 3<file1 4<file2
aaa    111
bbb    222
ccc
ddd
eee
fff
    
ggg    333
hhh    444
iii
jjj

Still open: correction for done 3<file1 4<file1
Last edited by RudiC; 01-15-2015 at 02:09 PM..
These 2 Users Gave Thanks to RudiC For This Post:
aav1307 MadeInGermany
 

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LEARN ABOUT OSX

locale::codes::langfam

Locale::Codes::LangFam(3pm)				 Perl Programmers Reference Guide			       Locale::Codes::LangFam(3pm)

NAME

       Locale::Codes::LangFam - standard codes for language extension identification

SYNOPSIS

	  use Locale::Codes::LangFam;

	  $lext = code2langfam('apa');		       # $lext gets 'Apache languages'
	  $code = langfam2code('Apache languages');    # $code gets 'apa'

	  @codes   = all_langfam_codes();
	  @names   = all_langfam_names();

DESCRIPTION

       The "Locale::Codes::LangFam" module provides access to standard codes used for identifying language families, such as those as defined in
       ISO 639-5.

       Most of the routines take an optional additional argument which specifies the code set to use. If not specified, the default ISO 639-5
       language family codes will be used.

SUPPORTED CODE SETS

       There are several different code sets you can use for identifying language families. 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:

	  $lext = code2langfam('apa','alpha');
	  $lext = code2langfam('apa',LOCALE_LANGFAM_ALPHA);

       The codesets currently supported are:

       alpha
	   This is the set of three-letter (lowercase) codes from ISO 639-5 such as 'apa' for Apache languages.

	   This is the default code set.

ROUTINES

       code2langfam ( CODE [,CODESET] )
       langfam2code ( NAME [,CODESET] )
       langfam_code2code ( CODE ,CODESET ,CODESET2 )
       all_langfam_codes ( [CODESET] )
       all_langfam_names ( [CODESET] )
       Locale::Codes::LangFam::rename_langfam  ( CODE ,NEW_NAME [,CODESET] )
       Locale::Codes::LangFam::add_langfam  ( CODE ,NAME [,CODESET] )
       Locale::Codes::LangFam::delete_langfam  ( CODE [,CODESET] )
       Locale::Codes::LangFam::add_langfam_alias  ( NAME ,NEW_NAME )
       Locale::Codes::LangFam::delete_langfam_alias  ( NAME )
       Locale::Codes::LangFam::rename_langfam_code  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangFam::add_langfam_code_alias  ( CODE ,NEW_CODE [,CODESET] )
       Locale::Codes::LangFam::delete_langfam_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.loc.gov/standards/iso639-5/id.php
	   ISO 639-5 .

AUTHOR

       See Locale::Codes for full author history.

       Currently maintained by Sullivan Beck (sbeck@cpan.org).

COPYRIGHT

	  Copyright (c) 2011-2012 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::Codes::LangFam(3pm)
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