|
|
Sponsored Content
Top Forums
Shell Programming and Scripting
Rules with using double parentheses in Bash
Post 302495020 by Franklin52 on Wednesday 9th of February 2011 06:31:32 AM
02-09-2011
|
|
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I'm trying to use the following command to do a batch find and replace in all commonly named files through a file hierarchy
find . -name 'file' |xargs perl -pi -e 's/find/replace/g'
which works fine except for a substitution involving parenthesis.
As a specific example I'm trying to sub... (3 Replies)
Discussion started by: Jeffish
3 Replies
2. Shell Programming and Scripting
Hi
I would like to replace a comma in parentheses to a semicolon for example. Other commas outside () stay unchanged. How can I do this?
aaaa,bbb,ccc,ddd(eee,fff,ggg),hhh,iii
to
aaaa,bbb,ccc,ddd(eee;fff;ggg),hhh,iii
Thanks (5 Replies)
Discussion started by: lalelle
5 Replies
3. UNIX for Dummies Questions & Answers
hi, unix gurus.
i am wondering if someone can give me a clear explanation of the differneces between parentheses and brackets, both single and double.
i have heard that double parentheses (( are used for numerical expressions and that single brackets [ are used for strings. but i see... (1 Reply)
Discussion started by: ankimo
1 Replies
4. UNIX for Dummies Questions & Answers
Hello,
I have done a great deal of research on this and still cannot come to an understanding of the following:
In if-else statements in shell scripting I have seen examples of single brackets, double brackets, single parantheses, and double paratheses. When should each one be used?
And... (2 Replies)
Discussion started by: mojoman
2 Replies
5. Shell Programming and Scripting
Hi
I have a file with numbers like this :
123
456
6798
9073233
12
8644
Now, I need to insert parentheses to each and every line like below :
(123)
(456)
(6798)
(9073233)
(12)
(8644)
can anyone tell me a solution? (8 Replies)
Discussion started by: sudharsan23
8 Replies
6. UNIX for Dummies Questions & Answers
Hi,
I tried to adapt bartus's solution to my problem, without success. I want to replace all the occurences of this:
with:
, where something can contain an arbitrary number of balanced parens and brakets.
Any ideas ?
Best, (1 Reply)
Discussion started by: ff1969ff1969
1 Replies
7. Shell Programming and Scripting
I was looking at a script in my little book on bash and saw that one of the if statements had parentheses instead of brackets for the condition. I've been trying to find in my book where it talks about parentheses (because the examples on the if statement in an earlier chapter doesn't seem to... (3 Replies)
Discussion started by: Straitsfan
3 Replies
8. Shell Programming and Scripting
This is my input file:
a|b|c(ef)|g|h(km)|p
My output file should look like:
a|b|ef|g|km|p
That is, pipe is the delimiter. The data within pipe must be displayed as it is but if it encounters any data within parentheses, then only the data within parentheses has to be displayed ( the data... (2 Replies)
Discussion started by: ksatish89
2 Replies
9. Shell Programming and Scripting
How to remove first pair of parentheses and content in them from the beginning of the line?
Here's the list:
(ok)-test
(ok)-test-(ing)
(some)-test-(ing)-test
test-(ing)
Desired result:
test
test-(ing)
test-(ing)-test
test-(ing)
Here's what I already tried with GNU sed:
sed -e... (6 Replies)
Discussion started by: useretail
6 Replies
10. Answers to Frequently Asked Questions
Suppose I have this code :
int main () { int i = NULL; /* incorrect */ return 0; }
and I want to put the word between the two parentheses
like this :
int main (void) { int i = NULL; /* incorrect */ return 0; }
which command is used to do it in Linux ? (2 Replies)
Discussion started by: steve120
2 Replies
LEARN ABOUT LINUX
ldp
LDP(7) Miscellaneous Information Manual LDP(7) NAME
LDP - Intro to the Linux Documentation Project, with help, guides and documents SYNOPSIS
The Linux Documentation Project (LDP) provides a variety of free documentation resources including guides, FAQs, HOWTOs, and man-pages to the Linux community. AUTHORS
The various documents in the LDP archives are maintained by individual authors, and are listed in the beginning of each HOWTO. If you have any questions or inputs to a document we encourage you to contact the authors directly. WEB PAGES
The LDP has its own dedicated web site as do many of the various translations projects which are linked from the main LDP web site at: http://www.tldp.org/ MAN PAGES
A web page with status information for manual pages and translations is found at: http://www.win.tue.nl/~aeb/linux/man/ MAILING LISTS
LDP has a number of mailing lists, such as <announce@en.tlpd.org> Announcements from the LDP project <discuss@en.tldp.org> General discussion on the LDP project <docbook@en.tldp.org> Questions about the use of DocBook For subscription information, see the website. If you are interested in DocBook beyond the simple markup of your LDP document, you may want to consider joining one of the OASIS DocBook mailing lists. Please see http://docbook.org/mailinglist/index.html for more information. FILES
Most distributions include the HOWTOs and mini-HOWTOs in the installation /usr/doc/ (old place for documentation) /usr/share/doc/ (new place for documentation) /usr/share/doc/HOWTO/ (HOWTO files) /usr/share/doc/HOWTO/mini/ (mini-HOWTO files) SEE ALSO
info(1), man(1), xman(1x) info pages as read with emacs(1) or info(1) LDP
2001-11-15 LDP(7)