|
|
Sponsored Content
Top Forums
Shell Programming and Scripting
Help in replacing two blank lines with two lines of diff data
Post 302578652 by arjun_arippa on Friday 2nd of December 2011 11:18:02 PM
12-03-2011
Its coming from a flat file and it will be choosed depending upon the value of <data> in the sed command.
after inserting the statements, the results would be like:
<modulename>$data1</modulename>
<submodulename>$data2</submodulename>
where $data1 and $data2 will be taken dynamically from another flat file using a loop.
These are two lines of data which i need to add...
---------- Post updated at 04:02 PM ---------- Previous update was at 03:41 PM ----------
I tried to use s/text1/text2/g... but here the blank lines are getting replaced by the same piece of line...
---------- Post updated 12-03-11 at 09:48 AM ---------- Previous update was 12-02-11 at 04:02 PM ----------
Can we use two different sed to replace the first occurrence of blank statements with data?
I tried using sed -e 's/^$/mydata/' filename... but this command replaced both the blank statements with my data... is there any other option to replace the first occurrence of blank statement with my data?
after inserting the statements, the results would be like:
<modulename>$data1</modulename>
<submodulename>$data2</submodulename>
where $data1 and $data2 will be taken dynamically from another flat file using a loop.
These are two lines of data which i need to add...
---------- Post updated at 04:02 PM ---------- Previous update was at 03:41 PM ----------
I tried to use s/text1/text2/g... but here the blank lines are getting replaced by the same piece of line...
---------- Post updated 12-03-11 at 09:48 AM ---------- Previous update was 12-02-11 at 04:02 PM ----------
Can we use two different sed to replace the first occurrence of blank statements with data?
I tried using sed -e 's/^$/mydata/' filename... but this command replaced both the blank statements with my data... is there any other option to replace the first occurrence of blank statement with my data?
|
|
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
What is the command to count lines in a files, but ignore blank lines and commented lines?
I have a file with 4 sections in it, and I want each section to be counted, not including the blank lines and comments... and then totalled at the end.
Here is an example of what I would like my... (6 Replies)
Discussion started by: kthatch
6 Replies
2. Shell Programming and Scripting
Hi i am trying to replace blank lines with a number 0. I tried the following code
awk '{print NF ? $0: blankrow}' blankrow = "0" file1.prg>file2.prg
however i get the following error: fatal: cannot open file `blankrow' for reading (No such file or directory)
file example:
1
2
3
5
6... (11 Replies)
Discussion started by: rockiefx
11 Replies
3. Shell Programming and Scripting
Hi,
I'm not a expert in shell programming, so i've come here to take help from u gurus.
I'm trying to tailor a csv file that i got to make it work for the LOAD FROM command.
I've a datatable csv of the below format -
--in file format
xx,xx,xx ,xx , , , , ,,xx,
xxxx,, ,, xxx,... (11 Replies)
Discussion started by: dvah
11 Replies
4. Shell Programming and Scripting
Hi,
Consider a file named "testfile"
The contents of file are as below
first line added for test
second line added for test
third line added for test
fourth line added for test
fifth line added for test (5 Replies)
Discussion started by: anil8103
5 Replies
5. Shell Programming and Scripting
Hi.. I'm facing a trouble in replacing two blank lines in a file using shell script...
I used sed to search a line and insert two blank lines after the searchd line using the following sed command.
Sed "/data/{G;G;}/" filename. In the file, after data tag, two lines got inserted blank lines.. Now... (1 Reply)
Discussion started by: arjun_arippa
1 Replies
6. Shell Programming and Scripting
I have a file like
blah
blah blah blah
this is the text I need,
which might be between 1-4 lines, but
always has a blank line above and below
it, and is at the end of the text file
the code tags don't show the trailing blank line. I started by deleting the last blank line with:
... (2 Replies)
Discussion started by: unclecameron
2 Replies
7. Shell Programming and Scripting
Hello,
I have some data in a text file where fields are separated by blank lines. There are only 6 fields however some fields have several lines of data as I will explain. Also data in a particular field is not consistently the same size but does end on a blank line. The first field start with... (6 Replies)
Discussion started by: vestport
6 Replies
8. UNIX for Dummies Questions & Answers
So the tag for this forum says all newbies welcome...
All I want to do is go through my file and find lines which contain a given string of characters then replace these with a blank line. I really tried to find a simple command to do this but failed.
Here's what I did come up with though:
... (2 Replies)
Discussion started by: Golpette
2 Replies
9. Shell Programming and Scripting
Hello All,
I have a file with data as below. Each line consists of 21 fields. I am not able to load them back to the database.
50733339,"834","834 ","005010X279A1","N","Y","007977163","0001 ",30,"2110D ","EB ","EB007 ","2 ","Conditional Required Data Element Miss
ing... (3 Replies)
Discussion started by: Praveenkulkarni
3 Replies
10. UNIX for Beginners Questions & Answers
Hi all,
I'm looking for a way (sed or awk) to delete multiple lines between blank lines containing two patterns ex:
user: alpha
parameter_1 = 15
parameter_2 = 1
parameter_3 = 0
user: alpha
parameter_1 = 15
parameter_2 = 1
parameter_3 = 0
user: alpha
parameter_1 = 16... (3 Replies)
Discussion started by: ce9888
3 Replies
LEARN ABOUT CENTOS
grub-render-label
GRUB-RENDER-LABEL(1) User Commands GRUB-RENDER-LABEL(1) NAME
grub-render-label - generate a .disk_label for Apple Macs. SYNOPSIS
grub-render-label [OPTION...] [OPTIONS] DESCRIPTION
Render Apple .disk_label. -b, --bgcolor=COLOR use COLOR for background -c, --color=COLOR use COLOR for text -f, --font=FILE use FILE as font (PF2). -i, --input=FILE read text from FILE. -o, --output=FILE set output filename. Default is STDOUT -t, --text=STRING set the label to render -v, --verbose print verbose messages. -?, --help give this help list --usage give a short usage message -V, --version print program version Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options. REPORTING BUGS
Report bugs to <bug-grub@gnu.org>. SEE ALSO
The full documentation for grub-render-label is maintained as a Texinfo manual. If the info and grub-render-label programs are properly installed at your site, the command info grub-render-label should give you access to the complete manual. grub-render-label (GRUB) 2.02-2ubuntu8.3 July 2018 GRUB-RENDER-LABEL(1)