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UNIX for Dummies Questions & Answers
Join On A String
Post 302714035 by jimmyf on Thursday 11th of October 2012 03:35:12 PM
10-11-2012
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1. Shell Programming and Scripting
When try to execute the following script, its throwing this error:
" Use of uninitialized value in join or string at arraydef.pl line 17. "
The script is :
1 #!/usr/bin/perl
2
3 use strict;
4
5 my @a = ( 1...10 );
6
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Hi,
I am a new learner of join command. Some result really make me confused.
Please kindly help me.
input:
file1:
LEO oracle engineer 210375
P.Jones Office Runner ID897
L.Clip Personl Chief ID982
S.Round UNIX admin ID6
file2:
Dept2C ID897 6 years
Dept5Z ID982 1 year
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3. Programming
example sql:
select a.a1,b.b1,c.c1,d.d1,e.e1
from a
left outer join b on a.x=b.x
left outer join c on b.y=c.y
left outer join d on d.z=a.z
inner join a.t=e.t
I know how single outer or inner join works in sql.
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Hello,
My apologies if this has been posted elsewhere, I have had a look at several threads but I am still confused how to use these functions. I have two files, each with 5 columns:
File A: (tab-delimited)
PDB CHAIN Start End Fragment
1avq A 171 176 awyfan
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I have the text like:
DN11-001 Thats the first line which needs to be
DN11-001 joined with the second line and also to
DN11-001 the third line as they all begin with the same
DN11-001 document number.
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file1:
Toronto:12439755:1076359:July 1, 1867:6
Quebec City:7560592:1542056:July 1, 1867:5
Halifax:938134:55284:July 1, 1867:4
Fredericton:751400:72908:July 1, 1867:3
Winnipeg:1170300:647797:July 15, 1870:7
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here is what i want to achieve... consider a file contains below contents. the file size is large about 60mb
cat dump.sql
INSERT INTO `table1` (`id`, `action`, `date`, `descrip`, `lastModified`) VALUES (1,'Change','2011-05-05 00:00:00','Account Updated','2012-02-10... (10 Replies)
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Hi,
I have 20 tab delimited text files that have a common column (column 1). The files are named GSM1.txt through GSM20.txt. Each file has 3 columns (2 other columns in addition to the first common column).
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Hello,
This post is already here but want to do this with another way
Merge multiples files with multiples duplicates keys by filling "NULL" the void columns for anothers joinning files
file1.csv:
1|abc
1|def
2|ghi
2|jkl
3|mno
3|pqr
file2.csv:
1|123|jojo
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LEARN ABOUT ULTRIX
ddis
DDIS(5) File Formats Manual DDIS(5) Name DDIS - Digital Data Interchange Syntax / ISO ASN.1 (DDIS/ASN.1) files Description DDIS/ASN.1 files conform to Digital's Digital Data Interchange Syntax. DDIS conforms to syntaxes that can be defined within the specifica- tions of International Standards Organization Abstract Syntax Notation One (ISO ASN.1), but is not itself an implementation of full ISO ASN.1 syntax. DDIS/ASN.1 files conform to the DDIS/ASN.1 syntax. The DDIS/ASN.1 syntax is itself used to define other syntaxes. The following are among the syntaxes that are subsets of DDIS/ASN.1: DDIF Digital Document Interchange Format DTIF Digital Table Interchange Format DOTS Data Object Transport Syntax Files that conform to one of the DDIS/ASN.1 family of syntaxes are described as DDIS/ASN.1 files. More specifically, however, the files are typed according to a particular DDIS/ASN.1 syntax. For example, a file that conforms to the DDIF syntax is a DDIF file, and is identi- fied by the command as a ddis/ddif file. The command includes the string ddis/ as a part of its output if a file belongs in the DDIS fam- ily. See Also ctod(1), dtoc(1), DDIF(5), DOTS(5), DTIF(5), CDA(5) DDIS(5)