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Top Forums Shell Programming and Scripting Concatenate select lines from multiple files Post 302897304 by pathunkathunk on Sunday 13th of April 2014 02:33:59 AM
Old 04-13-2014
Concatenate select lines from multiple files

I have about 6000 files of the following format (three simplified examples shown; actual files have variable numbers of columns, but the same number of lines). I would like to concatenate the ID (*Loc*) and data lines, but not the others, as shown below. The result would be one large file (or several slightly less large files).

fileA
Code:
header line A
A_Loc1, A_Loc2, A_Loc3, A_Loc4
Pop
gt , 02 04 01 01 
gt , 02 04 01 01 
Pop
gt , 03 04 01 01 
gt , 03 04 01 01

fileB
Code:
header line B
B_Loc1, B_Loc2
Pop
gt , 03 03
gt , 02 03
Pop
gt , 02 03 
gt , 02 03

fileC
Code:
header line C
C_Loc1, C_Loc2, C_Loc3
Pop
gt , 03 03 02
gt , 03 03 02
Pop
gt , 03 03 02
gt , 03 03 02

Output:
Code:
header line A
A_Loc1, A_Loc2, A_Loc3, A_Loc4, B_Loc1, B_Loc2, C_Loc1, C_Loc2, C_Loc3
Pop
gt , 02 04 01 01 03 03 03 03 02
gt , 02 04 01 01 02 03 03 03 02
Pop
gt , 03 04 01 01 02 03 03 03 02
gt , 03 04 01 01 02 03 03 03 02

I know paste can concatenate lines, but I'm not sure how to only paste selective lines, not how to add a comma in the ID lines. Would be grateful if someone could show me a way.
 

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IRSEND(1)								FSF								 IRSEND(1)

NAME
irsend - basic LIRC program to send infra-red commands SYNOPSIS
irsend [options] DIRECTIVE REMOTE CODE [CODE...] DESCRIPTION
Asks the lircd daemon to send one or more CIR (Consumer Infra-Red) commands. This is intended for remote control of electronic devices such as TV boxes, HiFi sets, etc. DIRECTIVE can be: SEND_ONCE - send CODE [CODE ...] once SEND_START - start repeating CODE SEND_STOP - stop repeating CODE LIST - list configured remote items SET_TRANSMITTERS - set transmitters NUM [NUM ...] SIMULATE - simulate IR event REMOTE is the name of a remote, as described in the lircd configuration file. CODE is the name of a remote control key of REMOTE, as it appears in the lircd configuration file. NUM is the transmitter number of the hardware device. For the LIST DIRECTIVE, REMOTE and/or CODE can be empty: LIST "" "" - list all configured remote names LIST REMOTE "" - list all codes of REMOTE LIST REMOTE CODE - list only CODE of REMOTE The SIMULATE command only works if it has been explicitly enabled in lircd. -h --help display usage summary -v --version display version -d --device use given lircd socket [/var/run/lirc/lircd] -a --address=host[:port] connect to lircd at this address -# --count=n send command n times EXAMPLES
irsend LIST DenonTuner "" irsend SEND_ONCE DenonTuner PROG-SCAN irsend SEND_ONCE OnkyoAmpli VOL-UP VOL-UP VOL-UP VOL-UP irsend SEND_START OnkyoAmpli VOL-DOWN ; sleep 3 irsend SEND_STOP OnkyoAmpli VOL-DOWN irsend SET_TRANSMITTERS 1 irsend SET_TRANSMITTERS 1 3 4 irsend SIMULATE "0000000000000476 00 OK TECHNISAT_ST3004S" FILES
/etc/lirc/lircd.conf Default lircd configuration file. It should contain all the remotes, their infra-red codes and the corresponding timing and wave- form details. DIAGNOSTICS
If lircd is not running (or /var/run/lirc/lircd lacks write permissions) irsend aborts with the following diagnostics: "irsend: could not connect to socket" "irsend: Connection refused" (or "Permission denied"). SEE ALSO
The documentation for lirc is maintained as html pages. They are located under html/ in the documentation directory. lircd(8), mode2(1), smode2(1), xmode2(1), irrecord(1), irw(1), http://www.lirc.org. irsend 0.8.7pre1 May 2010 IRSEND(1)
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