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Full Discussion: Sequence generation in shell
Top Forums Shell Programming and Scripting Sequence generation in shell Post 302928314 by ongoto on Wednesday 10th of December 2014 09:36:47 PM
Old 12-10-2014
@ tushar.modgil

Your original script wasn't giving you both upper and lower limits before entering the next loop level.

This mod will read each line in turn, extract both limits, and then do the final loop.
Code:
# Start with clean file
> sequence.txt
while read line
do
# send '###' as a marker between series
    echo "###" >> sequence.txt 
    i=$(echo $line | cut -d ',' -f7)
    j=$(echo $line | cut -d ',' -f8)
    for k in $(seq $i $j);
    do
        echo $k >> sequence.txt 
    done
done < test.txt

---------- Post updated at 06:35 PM ---------- Previous update was at 06:06 PM ----------

Quote:
Originally Posted by Don Cragun
Code:
4.02138e+09
4.02138e+09

So, maybe you want something more like:
Code:
cut -d"," -f7,8 < file4 | while IFS=', ' read A B junk; do seq -f '%.0f' $A $B; done

Thanks for this Don Cragun. I found that happening when doing...
Code:
< test.txt mapfile limits
for line in ${limits[*]};
do

in place of...
Code:
while read line
do


Last edited by ongoto; 12-10-2014 at 10:42 PM.. Reason: multiple copies of ------- Post updated ---------
 

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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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