Problem when using join command Post: 302569484

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1. Shell Programming and Scripting

A join problem?

Hi everybody, I am hoping somebody here will be either be able to solve my troubles or at least give me a push in the right direction :) . I am developing a shell script to read in 4 different files worth of data that each contain a list of: username firstname secondname group score I...

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join (pls help on join command)

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 Dept3S ID6 2...

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Problem with Join command

Hi guyz Excuse me for posting simple question I tried join and sort and other perl commands but failed I have 2 files. 1st file contain single column with around 6000 values (rows). Second file contain 2 columns 1st column is the same column (in 1st file) but randomly ordered and second...

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awk command for simple join command but based on 2 columns

input1 a_a a/a 10 100 a1 a_a 20 200 b1 b_b 30 300 input2 a_a a/a xxx yyy a1 a1 lll ppp b1 b_b kkk ooo output a_a a/a 10 100 xxx yyy

5. UNIX for Dummies Questions & Answers

SOLVED: Join problem

Hello, Going through book, "Guide to UNIX Using Linux". I am doing one of the projects that has me writing scripts to join files. Here is my pnumname script and I am extracting the programmers names and numbers from the program file and redirecting the output to the file pnn. I then created a...

6. UNIX for Dummies Questions & Answers

problem with join

So I want to join two files that have a lot of rows The file named gen1 has 2 columns: head gen1 1008567 0.4026931012 1119535 0.7088912314 1120590 0.7093805634 1145994 0.7287952590 1148140 0.7313924434 1155173 0.7359550430 1188481 0.7598914553 1201155 0.7663406553 1206921...

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how to join two files using "Join" command with one common field in this problem?

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 Victoria:4168123:944735:July 20, 1871:10 Charlottetown:137900:5660:July 1, 1873:2...

8. UNIX for Dummies Questions & Answers

How to use the the join command to join multiple files by a common column

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). I want to write a script to join the files by the first common column so that in the...

9. UNIX for Dummies Questions & Answers

Weird problem with join command

I have a weird issue going on with the join command... I have two files I am trying to join...here is a line from each file with the important parts marked in red: file1: /groupspace/ccops/cmis/bauwkrcn/commsamp_20140315.txt,1 file2:...

10. Shell Programming and Scripting

Problem with Join Command

I have 2 files. File 1 is a daily file with only a bunch of IDs and a date column. File 2 has all the dump of IDs and their respective cost. I basically want an inner join. When I am picking a few rows from these files and joining, they work perfectly fine. But when I join the full files together,...

LEARN ABOUT MINIX

readahead

readahead(8)                                                  System Manager's Manual                                                 readahead(8)

NAME

       readahead - file preloader for boot process optimization

SYNOPSIS

       readahead [options] <file-list> [another-file-list [...]]

DESCRIPTION

       readahead is a files preloader designed to optimize the disk I/O during the boot process.

OPTIONS

       -b, --build
              build optimised files list only, without sorting.

       -s, --sort
              build and sort list of files only (implies -b).

       -o, --output <file>
              write sorted list of files to file.

       -d, --dont-sort
              preload files described by an already sorted files list.

       -h, --help
              print the usage information.

       -v, --verbose
              enable the verbose mode.

       -t, --timing
              report time spent on each operation.

       -m, --maxsize <max size>
              maximum size in KiB a file can be in order to be preloaded, default is 10240.

       <file-list> [another-file-list [...]]
              One or more files containing the list of files to be preloaded or sorted. The files list can be generated by readahead-collector(8).

FILES

       /etc/default/readahead-fedora

SEE ALSO

       readahead-collector(8), readahead(2),

AUTHORS

       Arjan van de Ven <arjan@infradead.org>,
              Ziga Mahkovec <ziga.mahkovec@klika.si>, Karel Zak <kzak@redhat.com>,

       This manual page was written by Raphael Geissert <geissert@debian.org>

                                                                     July 2011                                                        readahead(8)

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A join problem?

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join (pls help on join command)

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Problem with Join command

Discussion started by: repinementer

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awk command for simple join command but based on 2 columns

Discussion started by: ruby_sgp