Sponsored Content
Full Discussion: grep sed
Top Forums UNIX for Dummies Questions & Answers grep sed Post 88691 by vino on Tuesday 8th of November 2005 05:31:43 AM
Old 11-08-2005
Quote:
Originally Posted by ericelysia
Is there a way to use the record number that is input by the user?
I initially was thinking:
Code:
sed -n -e '1,${number - 1}p' phonebook > tmp

But I am thinking this works like C++ or Java. I assume this is not right, because I do not see any arithmetic commands in this book that I have.
Thanks,
Eric
Why dont you calculate the new number outside the sed script.

Code:
NUM=$(($number-1))
sed -n -e "1,${NUM}p" phonebook > tmp

Havn't tested it tho'.
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

SED and it used with | and grep

I am really lost I don't know what this line does. Please help I'm very lost. Thanks in advance. cat CPROGRAMS.c |sed 's// /g'|tr ' ' '\012' |grep '' |sed 's/^*/ /' |grep '($'|sort -u|tr -d "("` (4 Replies)
Discussion started by: Lem2003
4 Replies

2. Shell Programming and Scripting

using sed to grep

I have a file that contains many instances of double dollar signs. I want to use sed to get the first occurrence. for example, given the following data. #Beginning of file AB 34 $$ AB $$ AB 98 $$ I only want to pull out: AB 34 $$ (1 Reply)
Discussion started by: wxornot
1 Replies

3. UNIX for Dummies Questions & Answers

Grep or Sed

Hi All, I have created a bourne script that basically wants to split a file up in to different parts. I have this working if the file has all the information on different lines but if it doesn't then it doesn't work. i.e. If this is the file hello 12345 good bye 6789 I could grep all the... (5 Replies)
Discussion started by: jazz8146
5 Replies

4. UNIX for Dummies Questions & Answers

sed or grep?

hello everybody! I have a html file which is not properly formatted meaning that the whole content is in one line. I want to to cut out certain parts of that file. Those parts are between ' #" ' and ' " ' and always start with ' sec_ ' and after the ' sec_ ' any number of characters and ' _... (2 Replies)
Discussion started by: MastaFue
2 Replies

5. Shell Programming and Scripting

help with SED + GREP

HI all, i have a line in a file it contains Code: one;two_1_10;two_2_10;two_3_10;three~ now i need to get the output as Code: one;two_1_abc_10;two_2_abc_10;two_3_abc_10;three~ ( 1 should be replaced with 1_abc for two__abc_10 , and one more thing the number of occurances of... (6 Replies)
Discussion started by: 2001.arun
6 Replies

6. Shell Programming and Scripting

sed/tr/grep help

So I have a html file with a bunch of words inside tags and I need to extract just the words, and I'm not sure exactly what the best way to do this is. The format is as follows: <tr> <td>word 1</td> <td>word 2</td> </tr> And all I want to extract is the 'word 2'. First I tried... (3 Replies)
Discussion started by: flightskoo
3 Replies

7. Linux

sed and grep

I am stranded with a problem. Please solve. How will you remove blank lines from a file using sed and grep? ( blank line contains nothing or only white spaces). I run the below commands of sed and grep but grep isn't giving output as desired. Why? sed '/^*$/d' blank grep -v "^*$" blank... (3 Replies)
Discussion started by: ravisingh
3 Replies

8. Shell Programming and Scripting

Help with sed/grep

Hi, I have a file with reoccurring patterns and I want extract the 3rd line after the match, then delete another pattern from that third line. For example the file is in the following format: Hello Name: Abc Number: 123 Hello Name: FQE Number: 543 This occurs more than 100... (4 Replies)
Discussion started by: wsn
4 Replies

9. UNIX for Dummies Questions & Answers

Help with sed/grep

Hello Everyone! I'm kind of new to parsing and would like extract a partial part of my nmap scan output so I can convert it to csv/excel: My current file has two types of lines like this: Nmap scan report for dns1 (1.1.1.1) Nmap scan report for dns2 (2.2.2.2) Nmap scan report for 3.3.3.3 ... (3 Replies)
Discussion started by: SarahS
3 Replies

10. Shell Programming and Scripting

sed and awk usage to grep a pattern 1 and with reference to this grep a pattern 2 and pattern 3

Hi , I have a file where i have modifed certain things compared to original file . The difference of the original file and modified file is as follows. # diff mir_lex.c.modified mir_lex.c.orig 3209c3209 < if(yy_current_buffer -> yy_is_our_buffer == 0) { --- >... (5 Replies)
Discussion started by: breezevinay
5 Replies
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)
All times are GMT -4. The time now is 11:01 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy