01-26-2006
Lookup between 2 files ( korn shell )
Hi All.,
i have a problem. I hope i can get some help on this issue here;
i have 2 txt files say file1 and file 2
file1 has;
WLMT:XXXXXXXX:cp
DOLR:YYYYYYY:ascii,unblock
WLG:TTTTTTT:dd:73:ascii,unblock
MAR:SSSSSS:dd:152:ascii,unblock
GGG:QQQQQQQQQQ:112:ascii,unblock
EIE:CCCCCCCC:cp
WLL:MMMMMMMMM:wlg_dd.ksh
WWW:IIIIIIIIII:dd:160:ascii,unblock
FILE2 has;
QQQQQQ:WLMT:GGGG
REWWE:WLG:NNNN
FSSG:PPP:VVSSG
UIUIU
OLR:CXZMZ
VSDSS:MAR:FFYFBB
VFJHSJ:KKK:VXBVS
CNXBCXC:QQQ:CBVCZ
FILE1 and FILE2 are : delimited files.
i have to do a lookup between the FILE1 and FILE2 based on the 1st column of FILE1 and 2ND column of FILE2 and then write the output i.e matches only to a txt file say any name like result.txt
i.e from FILE1 the 1st column WLMT
DOLR
WLG
MAR
GGG
EIE
WLL
WWW
with the 2nd column of FILE2 ; WLMT
WLG
PPP
DOLR
MAR
KKK
QQQ
those that matches only., the script has to write the ouput to a txt file such as result.txt
can anyone please help in this issue
Thanks
pavi
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JOIN(1) User Commands JOIN(1)
NAME
join - join lines of two files on a common field
SYNOPSIS
join [OPTION]... FILE1 FILE2
DESCRIPTION
For each pair of input lines with identical join fields, write a line to standard output. The default join field is the first, delimited
by blanks.
When FILE1 or FILE2 (not both) is -, read standard input.
-a FILENUM
also print unpairable lines from file FILENUM, where FILENUM is 1 or 2, corresponding to FILE1 or FILE2
-e EMPTY
replace missing input fields with EMPTY
-i, --ignore-case
ignore differences in case when comparing fields
-j FIELD
equivalent to '-1 FIELD -2 FIELD'
-o FORMAT
obey FORMAT while constructing output line
-t CHAR
use CHAR as input and output field separator
-v FILENUM
like -a FILENUM, but suppress joined output lines
-1 FIELD
join on this FIELD of file 1
-2 FIELD
join on this FIELD of file 2
--check-order
check that the input is correctly sorted, even if all input lines are pairable
--nocheck-order
do not check that the input is correctly sorted
--header
treat the first line in each file as field headers, print them without trying to pair them
-z, --zero-terminated
line delimiter is NUL, not newline
--help display this help and exit
--version
output version information and exit
Unless -t CHAR is given, leading blanks separate fields and are ignored, else fields are separated by CHAR. Any FIELD is a field number
counted from 1. FORMAT is one or more comma or blank separated specifications, each being 'FILENUM.FIELD' or '0'. Default FORMAT outputs
the join field, the remaining fields from FILE1, the remaining fields from FILE2, all separated by CHAR. If FORMAT is the keyword 'auto',
then the first line of each file determines the number of fields output for each line.
Important: FILE1 and FILE2 must be sorted on the join fields. E.g., use "sort -k 1b,1" if 'join' has no options, or use "join -t ''" if
'sort' has no options. Note, comparisons honor the rules specified by 'LC_COLLATE'. If the input is not sorted and some lines cannot be
joined, a warning message will be given.
AUTHOR
Written by Mike Haertel.
REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report join translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
comm(1), uniq(1)
Full documentation at: <http://www.gnu.org/software/coreutils/join>
or available locally via: info '(coreutils) join invocation'
GNU coreutils 8.28 January 2018 JOIN(1)