10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
sed -e 's,*$,,'
Can someone explain the options in this command? (2 Replies)
Discussion started by: scj2012
2 Replies
2. Shell Programming and Scripting
can anyone please explain this code?
sed ':a;N;$!ba;s/]\n//g' file
it replaces lines ending with "]" and concatenates with the next line so that
line1]
line2
becomes
line1line2
i don't understand this part: :a;N;$!ba;
I have noted that I can replace "a" with any letter:
... (1 Reply)
Discussion started by: locoroco
1 Replies
3. UNIX for Advanced & Expert Users
Can anyone explain the below sed oneliner?
sed -e ':a' -e '$q;N;11,$D;ba'
It works same as tail command.
I just want to know how it works.
Thanks
---------- Post updated at 11:42 PM ---------- Previous update was at 11:37 PM ----------
Moderators,
Can you please delete this thread?... (0 Replies)
Discussion started by: pandeesh
0 Replies
4. Shell Programming and Scripting
can anyone please explain this code?
sed ':t /<VirtualHost/,/VirtualHost>/ { /VirtualHost>/!{ $!{ N; bt } }; /name/d; }' infile (4 Replies)
Discussion started by: jacky29
4 Replies
5. Shell Programming and Scripting
Thanks to this forum I have managed to work out a solution to my problem and actually understand most of it, but one thing is confusing me and I am sure someone here can explain.
I need to insert a piece of txt into a file. This txt is
awk '{ sub(/$/,"\r"); print }' $JCL_WBB50103_EFTOUT >... (2 Replies)
Discussion started by: hukcjv
2 Replies
6. Shell Programming and Scripting
mount -ps | tail -1 | awk '{print $1}' | sed -e 's%/$%%'
can you please explain this command mainly sed -e 's%/$%%' this.... (5 Replies)
Discussion started by: rsivasan
5 Replies
7. Shell Programming and Scripting
I have a line that works for static filename
cat /directorypath/filename | sed '//d;//d' > filename
This approach when used in a script works well.
Then i need a list of filenames to give this line.
I can get the list into a file by filelist1='ls -m'
then use filelist2=${filelist1##ls... (4 Replies)
Discussion started by: ericonanson
4 Replies
8. Shell Programming and Scripting
Hi,
Can anyone pls explain me the below SED code in detail.
sed -e :a -e '$!N;s/\n//;ta' -e P -e D
When this code is executed with a file(has 1lac records), it is taking very long time to process.
So I wanted to modify this SED code with equivalant AWK code.
Thanks,
Sri (1 Reply)
Discussion started by: srilaxmi
1 Replies
9. Shell Programming and Scripting
#! /bin/sed -nf
# Remove C and C++ comments, by Brian Hiles (brian_hiles@rocketmail.com)
# Sped up (and bugfixed to some extent) by Paolo Bonzini (bonzini@gnu.org)
# Works its way through the line, copying to hold space the text up to the
# first special character (/, ", '). The original... (1 Reply)
Discussion started by: Priyaranjan
1 Replies
10. Shell Programming and Scripting
I've forgotten how to use a filename parameter
using sed inside a shell script. What I want to do is
replace a string inside a file with the name of
the file being processed.
I think this should work ..
for filename do
sed -e "s/xxx/$filename/" ...
...
done
Thanks!
Ps: ... (5 Replies)
Discussion started by: eadie
5 Replies