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Top Forums Shell Programming and Scripting Efficient way to search array in text file by awk Post 302958290 by siramitsharma on Wednesday 21st of October 2015 03:23:36 AM
Old 10-21-2015
Efficient way to search array in text file by awk

I have one array SPLNO with approx 10k numbers.Now i want to search the subscriber number from MDN.TXT file (containing approx 1.5 lac record)from the array.if subscriber number found in array it will perform below operation.my issue is that it's taking more time because for one number it's search whole array of 10k records. therefore for 1.5 lac records it's looping around (1.5lac*10K). please suggest efficient ways.

Sample SPLNO.TXT:
Code:
918542054921|30|1|2
918542144944|12|1|2
854215595|12|1|2
918542166966|12|1|2
854225595|12|1|2
918542355955|12|1|2
918542455955|12|1|2
918542555955|12|1|2
918542955955|12|1|2

Sample MDN.TXT:
Code:
8542166966
8542355955
8542555955

Code is
Code:
awk -F"|"  'FNR==1 { ++counter}
counter==1 {SPLNOPULSE[$1]=$4;SPLNOAMT[$1]=$3;SPLNOMAXLEN[$1]=$2;next}
{
for ( mdn in SPLNOMAXLEN)
        {
         if ( ($1 ~ "^"mdn && length($1) <=SPLNOMAXLEN[mdn]) || ("91"$1 ~ "^"mdn && length("91"$1) <=SPLNOMAXLEN[mdn]) )
              {                              
                print found
               }
         else
                print not found
        }                             
 } ' SPLNO.TXT MDN.TXT

 

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IRSEND(1)							   User Commands							 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 0.9.0-pre1 October 2010 IRSEND(1)
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