Meaning of sed -e 's;\.;0;g'


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Meaning of sed -e 's;\.;0;g'
# 1  
Old 06-02-2010
Meaning of sed -e 's;\.;0;g'

Hi there,

I was searching for some code in sed & I got

REQUIRED_VERSION=`echo $REQUIRED_VERSION | sed -e 's;\.;0;g'`

Can anybody tells me what exactly is happening there, specially "s;\.;0;g" this part?
# 2  
Old 06-02-2010
Quote:
Originally Posted by jw_amp
Hi there,

I was searching for some code in sed & I got

REQUIRED_VERSION=`echo $REQUIRED_VERSION | sed -e 's;\.;0;g'`

Can anybody tells me what exactly is happening there, specially "s;\.;0;g" this part?
It replaces all the dots "." in the file with a zero "0".

Regards
This User Gave Thanks to Franklin52 For This Post:
# 3  
Old 06-02-2010
thanks franklin
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Meaning of $1^

Hello everyone, I'm looking for the meaning of this expression, as I don't understand it quite clearly : $1^ What do you think it could be? I thought either: - match lines starting with argument 1 but it should be ^$1 - turn line around : word becomes drow Thanks in advance for your... (4 Replies)
Discussion started by: bibelo
4 Replies

2. Shell Programming and Scripting

Meaning

Please let me know the meaning for the below statements in shell scripting. 1) exit -99 -------------------------------- 2) set prgdir = `pwd` set runFlag = runFlag:FALSE ------------------------------------- 3) if (-f $prgdir/maillst.eml) then set distEmail = `cat $prgdir/maillst.eml`... (1 Reply)
Discussion started by: lg123
1 Replies

3. UNIX for Dummies Questions & Answers

meaning of <<!

Hi all, I wanna know the meaning of the last word "<<! " sudo su - user <<! please help on this !!!! (1 Reply)
Discussion started by: sudharson
1 Replies

4. Shell Programming and Scripting

^$$ meaning

Hi , Can anyone please let me know whta the follwoing piece of code for ScriptName=${0##*/} if pgrep -f "$ScriptName" | grep -v "^$$\$" ; then echo `date`": Sctipt $ScritName is already runnig" exit fi Thnx a lot in advance Please use code tags when posting data and code... (8 Replies)
Discussion started by: Pratik4891
8 Replies

5. Shell Programming and Scripting

meaning of !*

can someone please tell what !* means in shell syntax. Regards, (3 Replies)
Discussion started by: busyboy
3 Replies

6. UNIX for Dummies Questions & Answers

what the meaning of #*

can some one please tell the meaning of the second statement i.e n=${m#*=} i couldnt get the meaning of the #*= 1.) m="mohit=/c/main/issue" echo $m result ----------- mohit=/c/main/issue 2.) n=${m#*=} echo $n RESULT ------- /c/main/issue (1 Reply)
Discussion started by: narang.mohit
1 Replies

7. UNIX for Dummies Questions & Answers

Use and meaning of $*

Can someone explain the use and meaning of "$*" expression. (2 Replies)
Discussion started by: sinpeak
2 Replies

8. AIX

meaning of ${0%${0##*/}}

. ${0%${0##*/}}Script_Name if i issue this command, it is executing the script. can any one tell what is the meaning of ${0%${0##*/}} (7 Replies)
Discussion started by: nyelavarthy
7 Replies

9. Shell Programming and Scripting

sed command meaning

Thanks guys for helping me out (2 Replies)
Discussion started by: chris1234
2 Replies

10. Shell Programming and Scripting

what is the meaning here?

#!/bin/sh $ORACLE_HOME/bin/sqlplus -S $orauserid/$orapasswd@$oradb << _TMP alter session set nls_date_format = 'YYYYMMDD HH24:MI'; set linesize 100 set pagesize 400 ok the above is part of a script..i just wanna know what does sqlplus -S means?? as in why we need to insert the -S behind? (2 Replies)
Discussion started by: forevercalz
2 Replies
Login or Register to Ask a Question