Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: Adding a blank line after every 5th line
Top Forums Shell Programming and Scripting Adding a blank line after every 5th line Post 302485113 by 46019 on Tuesday 4th of January 2011 10:19:57 AM
Old 01-04-2011
Lets say I have file FILE1 which contains 100 records.

FILE1
------------
Code:
aaaaaaaaaaaa
bbbbbbbbbbbb
cccccccccccc
dddddddddddd
eeeeeeeeeeee
fffffffffffffffffff
gggggggggggg
hhhhhhhhhhhh
iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
jjjjjjjjjjjjjjjjjjjjjjj
kkkkkkkkkkkkk
lllllllllllllllllllllllllllll
mmmmmmmmm
nnnnnnnnnnnn
oooooooooooooo
ppppppppppppppp

I want to add a header record before the first record & after every 5th record so that file will look like this.

Code:
record set-1
aaaaaaaaaaaa
bbbbbbbbbbbb
cccccccccccc
dddddddddddd
eeeeeeeeeeee
record set-2
fffffffffffffffffff
gggggggggggg
hhhhhhhhhhhh
iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
jjjjjjjjjjjjjjjjjjjjjjj
record set-3
kkkkkkkkkkkkk
lllllllllllllllllllllllllllll
mmmmmmmmm
nnnnnnnnnnnn
oooooooooooooo
record set-4
ppppppppppppppp


How to achieve this?
Last edited by radoulov; 01-04-2011 at 12:25 PM.. Reason: Code tags!
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

adding blank line in egrep

I followed the egrep example given in the thread "parse text or complex grep ?". It is exactly what I need...except... how do I insert a blank line after the second line? My exact command is: egrep 'patt1|patt2' filename the result is: patt1 patt2 patt1 patt2 and so on. I would... (2 Replies)
Discussion started by: antalexi
2 Replies

2. Shell Programming and Scripting

Need help in sed command (adding a blank line btw each block generated by pattern)

Hello friends, I have a C source code containing sql statements. I use the following sed command to print all the sql blocks in the source code.... sed -n "/exec sql/,/;/p" Sample.cpp The above sed command will print the sql blocks based on the pattern "exec sql" & ";"... (2 Replies)
Discussion started by: frozensmilz
2 Replies

3. Shell Programming and Scripting

SED - adding blank line after each Range Match

the following range matching works great but i wish to add a blank line after each range result set... which i've tried and researched to no avail MY INPUT DATA: CURRENT CODE I'M USING: sed -n '/*$/,/;/p' $INPUT_FILE RESULTS I'M GETTING: RESULT I looking to... (5 Replies)
Discussion started by: danmauer
5 Replies

4. Shell Programming and Scripting

Replace two blank line with a single blank line

Hi Guys, I have a file in which each set of records are separated by two blank line. I want to replace it with a single blank line. Can you guys help me out? Regards, Magesh (9 Replies)
Discussion started by: mac4rfree
9 Replies

5. Shell Programming and Scripting

Fill the empty line by adding line before blank line

FIle A "A" 2 aa 34 3 ac 5 cd "B" 3 hu 67 4 fg 5 gy output shud be A"" 2 aa 34 "A" 3 ac 34 "A" 5 cd 34 "B" 3 hu 67 "B" 4 fg 67 "B" 5 gy 67 (6 Replies)
Discussion started by: cdfd123
6 Replies

6. Shell Programming and Scripting

sed adding a blank line

I use the following as part of a script to correct for a faulty hostname file. # get the domain name read -r thehostname < /etc/hostname dom="$(echo $thehostname | cut -d'.' -f2)" numchar=${#dom} if then echo "It appears as though the hostname is not correctly set." echo "Hostname has... (5 Replies)
Discussion started by: bugeye
5 Replies

7. Shell Programming and Scripting

Insert a new line before every 5th line in a file

Hi, I need to insert a new line containing the string "QUERY" above every 5 lines. The below piece of code inserts a new line after every 5th line awk '{print $0} !(NR%5) {print "QUERY"}' sed 'n;n;n;n;G;' --> I do not know how to give "QUERY" string here But I need to insert it before... (4 Replies)
Discussion started by: royalibrahim
4 Replies

8. Shell Programming and Scripting

String search and print next all lines in one line until blank line

Dear all I want to search special string in file and then print next all line in one line until blank lines come. Help me plz for same. My input file and desire op file is as under. i/p file: A1/EXT "BSCABD1_21233G1" 757 130823 1157 RADIO X-CEIVER ADMINISTRATION BTS EXTERNAL FAULT ... (7 Replies)
Discussion started by: jaydeep_sadaria
7 Replies

9. Shell Programming and Scripting

In a file, replace blank line by the last line not blank above

Dear All, In a CSV file, say that a given column has been extracted. In that column, information is missing (i.e. blank lines appear). I would like to replace the blank lines by the last valid line (not blank) previously read. For example, consider the extract below: 123 234 543 111... (7 Replies)
Discussion started by: bagvian
7 Replies

10. Shell Programming and Scripting

Adding a blank line in between two O/Ps in tabular format which gets received over email

Hi Guys, I am stuck in between and seeking help here. Requirement: A script that will run every morning which will connect to Mysql database and run the query to inform us about the holidays (it will also check if there were any holidays during last 2 business days). So the three queries are... (11 Replies)
Discussion started by: Sambit Sahu
11 Replies

LEARN ABOUT DEBIAN

px_get_record2

PX_GET_RECORD2(3)					     Library Functions Manual						 PX_GET_RECORD2(3)

NAME

       PX_get_record2 -- Returns record in Paradox file

SYNOPSIS

       #include <paradox.h>

       int PX_get_record2(pxdoc_t *pxdoc, int recno, char *data, int *deleted, pxdatablockinfo_t *pxdbinfo)

DESCRIPTION

       This  function is similar to PX_get_record(3) but takes two extra parameters. If *deleted is set to 1 the function will consider any record
       in the database, even those which are deleted. If *pxdbinfo is not NULL, the function will return some information  about  the  data  block
       where the record has been read from. You will have to allocate memory for pxdbinfo before calling PX_get_record2.

       On return *deleted will be set to 1 if the requested record is deleted or 0 if it is not deleted. The struct pxdatablockinfo_t has the fol-
       lowing fields:

       blockpos (long)
		 File positon where the block starts. The first six bytes of the block contain the header, followed by the record data.

       recordpos (long)
		 File position where the requested record starts.

       size (int)
		 Size of the data block without the six bytes for the header.

       recno (int)
		 Record number within the data block. The first record in the block has number 0.

       numrecords (int)
		 The number of records in this block.

       number (int)
		 The number of the data block.

       This function may return records with invalid data, because records are not explizitly marked as deleted, but rather the size  of  a  valid
       data  block  is	modified. A data block is a fixed size area in the file which holds a certain number of records. If for some reason a data
       block has newer been completely filled with records, the algorithmn anticipates deleted records in this data block, which  are  not  there.
       This often happens with the last data block in a file, which is likely to not being fully filled with records.

       If you accessing several records, do it in ascending order, because this is the most efficient way.

	      Note:

	      This function is deprecated.  Use PX_retrieve_record(3) instead

RETURN VALUE

       Returns 0 on success and -1 on failure.

SEE ALSO

       PX_get_field(3), PX_get_record(3)

AUTHOR

       This manual page was written by Uwe Steinmann uwe@steinmann.cx.

																 PX_GET_RECORD2(3)
All times are GMT -4. The time now is 10:28 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy