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Full Discussion: combining 2 files with more than one match in second file
Top Forums Shell Programming and Scripting combining 2 files with more than one match in second file Post 302148900 by rikxik on Tuesday 4th of December 2007 04:53:50 AM
Old 12-04-2007
Here goes using awk:

File1:
Quote:
$ cat f1.txt
bob,232
fred,202
jim,202
pat,232
sam,232
ted,118
tim,118
File2:
Quote:
$ cat f2.txt
ialan,TEW9873FG
bob,XVT81283WS
fred,YHW81342BB
fred,YHW83281BA
fred,YHW98746CR
jake,QWE9896AQ
pat,LKJ55432GH
sam,QER8984UH
sam,QER6536WE
sam,QER2343ET
sid,ASW9093TW
ted,OPW4324TY
val,RWT6492OK
Script:
Quote:
$ cat merge.awk
BEGIN {
first=FILENAME
while (getline > 0) {
split($0, a, ",");
x=a[1]; y=a[2]
if (FILENAME == first) {
arr[x] = $0
} else {
if (brr[x] == "") {
brr[x] = y
} else {
brr[x] = brr[x]";"y
}
}
}
}

END {
for (i in arr) {
if(brr[i] == "") {
xrr[i] = arr[i]",NO_SERIAL_FOUND"
} else {
xrr[i] = arr[i]","brr[i]
}
print xrr[i]
}
}
Output:
Quote:
$ awk -f merge.awk f1.txt f2.txt
bob,232,XVT81283WS
ted,118,OPW4324TY
fred,202,YHW81342BB;YHW83281BA;YHW98746CR
jim,202,NO_SERIAL_FOUND
sam,232,QER8984UH;QER6536WE;QER2343ET
pat,232,LKJ55432GH
tim,118,NO_SERIAL_FOUND
HTH
 

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LEARN ABOUT CENTOS

umct

UMCT(4) 						   BSD Kernel Interfaces Manual 						   UMCT(4)

NAME

     umct -- Magic Control Technology USB-RS232 converter driver

SYNOPSIS

     To compile this driver into the kernel, place the following lines in your kernel configuration file:

	   device umct
	   device ucom

     Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

	   umct_load="YES"

DESCRIPTION

     The umct driver provides support for USB to RS-232 converters based on the Magic Control Technology USB-232 design.  These devices support
     most of the standard RS-232 features including baud rates ranging from 300 to 115200 bits per second.  However, neither hardware nor software
     flow control seems to be supported.

     Access to devices under this driver is via the ucom(4) framework and device nodes.

HARDWARE

     The umct driver supports the following adapters:

     o	 Belkin F5U109
     o	 Belkin F5U409
     o	 D-Link DU-H3SP USB BAY Hub
     o	 Magic Control Technology USB-232
     o	 Sitecom USB-232

SEE ALSO

     tty(4), ucom(4), usb(4)

HISTORY

     The umct driver appeared in FreeBSD 5.2.  It is loosely based on the ubsa(4) driver by Alexander Kabaev <kan@FreeBSD.org> with documentation
     from Wolfgang Grandeggar <wolfgang@cec.ch>.

AUTHORS

     The umct driver was written by Scott Long <scottl@FreeBSD.org>.

BSD
								 November 22, 2006							       BSD
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