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How can I learn the sed branches in Linux

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linux-howto

http://stackoverflow.com – I am trying but could able to understand the branches in sed. Why do we need it and what purpose does it solve? Example in this solution of removing the \n from the file, he uses: sed ':a;N;$!ba;s/\n/ /g' I am not able to understand the labels. (HowTos)

dadebian's picture
Submitted by dadebian on 01/08/2013

Stories similar to How can I learn the sed branches in Linux

I was reading this question Awk code to select multiple patterns

The user has this as input

------------------------------------------------------------------------ r4544 | n479826 | 2012-08-28 07:12:33 -0400 (Tue, 28 Aug 2012) | 1 line Changed paths: M /branches/8.6.0/conf/src/main/config/RTSConfig.xml

CET-402: some text comment --------------------------------------------------------------

This is my input file, say modified.txt

------------------------------------------------------------------------ r4544 | n479826 | 2012-08-28 07:12:33 -0400 (Tue, 28 Aug 2012) | 1 line Changed paths: M /branches/8.6.0/conf/src/main/config/RTSConfig.xml

CET-402: some text comment ------------------------------------------------------------------------ r4550 | n479826 | 2012-09-04 05:51:29 -040

hello I wanted to know how can I find out how many usbs my device has in command line.I used some but they just show me the usb buses without their sub usb branches:

Quote:

lsusb -t usb-devices lshal | grep usb.linux.sysfs_path

none of the above show me the complete usb bus and its sub usb's. how can I see that?

I have this piece of code

Code: printf '%s\n' $pth*.msf | tr ' ' '\n' | sort -t '-' -k7 -k6r \   | awk -F- '{c=($6$7!=p&&FNR!=1)?ORS:"";p=$6$7}{printf("%c%s\n",c,$0)}' When I run it I get

Code: /home/chrisd/tatsh/branches/terr0.50/darwin/n02-z30-dsr65-terr0.50-dc0.002-8x6drw-csq.msf /home/chrisd/tatsh/branches/terr0.50/darwin/n02-z30-dsr65-terr0.50-dc

I would like to convert a list containing bunch of svn URLs of issues:

cat list.txt //svn.server.address/repos/project/module1/branches/issue-001-name1 //svn.server.address/repos/project/module2/branches/issue-002-name2 //svn.server.address/repos/project/module3/branches/issue-003-name3 ...

into newlist.txt that plus svn command and folder names to checkout them, like this:

Hello being the terraria fan i am i wanted to put terraria on my prime so after install the apk and doing all the other when i go into into my internal storage there is no branches app folder i tried numerous programs but not luck. I really want to play on my tablet but cant because of this issue please help me out.

Compiling C++ source file 15 weeks 5 days ago

I am trying to compile a c++ source file print_options.cpp and getting lot of errors

Code: g++ -I/media/ios120/chrisd/research/tomso-branches/tomso_12_05 /media/ios120/chrisd/research/tomso-branches/tomso_12_05/libs/program_options/print_options.cpp

Code: In file included from /media/ios120/chrisd/research/tomso-branches/tomso_12_05/libs/program_options/print_options.cpp:11:0: /media/i

The UK Post Office is going to rollout contactless payment technology on June 6. The overall plan is to hit 11,500 branches, but initially the focus will be on 200 branches near the Olympic Games venues in London.

I'm fairly new to Linux still, and I'm finding the subject of the history of how Linux managed, and now manages initialization. I've read all kinds of sources ,and I understand that the init system has moved from the older V system..to a few others and now is using upstart. But it's still a confusing mess in my head.