Login or Register to Ask a Question and Join Our Community


Shell Programming and Scripting

How to insert at a particular position in flat file

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting How to insert at a particular position in flat file
# 8  
Old 08-07-2007
Quote:
Originally Posted by jacoden
Try this..

Code:
awk -F"~" '{if ($4==0) $4=4; print $0;}' filename

Yes..I missed to include the O/p Field seperator.

Correct code is

awk -F"~" '{OFS="~"; if ($4==0) $4=4; print $0;}' filename
# 9  
Old 08-07-2007
Quote:
Originally Posted by jacoden
Yes..I missed to include the O/p Field seperator.

Correct code is

awk -F"~" '{OFS="~"; if ($4==0) $4=4; print $0;}' filename
Thanks Jacoden, its working now !!
# 10  
Old 08-07-2007
A possible 'sed' version:
Code:
sed 's:~:@|:3;{s:@|0~:~4~:;s:@|:~:;}' input_file

# 11  
Old 08-07-2007
Code:
awk 'BEGIN{OFS=FS="~"}$4==0{$4=4;print}'
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

How to insert a '#' in the first position of all the files?

Hi All, how to insert a '#' in the first position of all the files based on a certain condition. I tried this: cat /bin/user/input_file.txt | while read a do b=`sed 's/.*song=good.*/\#&/g' $a ` echo $b > /bin/user/new/output_file.txt done input_file.txt has list of names of 10... (5 Replies)
Discussion started by: anand787
5 Replies

2. Shell Programming and Scripting

Insert empty columns in a flat file

Hi, I have a tab delimited flat file, for example shown below Name Desg Loc a b c d e fI want to insert an empty column inbetween the column Desc and Loc, the result should be like shown below: Name LName Desg Loc a b c d e ... (6 Replies)
Discussion started by: sampoorna
6 Replies

3. Shell Programming and Scripting

Insert | in specific position

Hi , I have a file which has line similar to below 13123324234234234234234234234234234 3454546456dfhgfhgh454645654asdasfsdsddfgdgdfg 345345345mnmnbmnb346mnb4565464564564645645 Not for each line for specific position I need to insert some '|' Positions are fixed. Like 3,5,9,11 So the... (5 Replies)
Discussion started by: Anupam_Halder
5 Replies

4. Shell Programming and Scripting

Find the position of a field/column in a flat file

Hi, Let say I have a file which has around 400 fields. SampleFile ========= PATIENTID|FACILITY|................|TIME_LAST_VISITED_BY_MD|.....|STATUS| How is it possible to find out which field is TIME_LAST_VISITED_BY_MD?fro example by seeing the above structure we can saw FACILITY... (5 Replies)
Discussion started by: machomaddy
5 Replies

5. UNIX for Advanced & Expert Users

Insert Delimiter at fixed locations in a flat file

Hi Can somebody help me with solution for this PLEASE? I have a flat file and need to insert delimiters at fixed positions in all the lines so that I can easily convert into EXCEL with columns defined as per their width. For Example Here is the file { kkjhdhal sdfewss sdtereetyw... (7 Replies)
Discussion started by: jd_mca
7 Replies

6. Shell Programming and Scripting

Insert file contents into another file at a given position

I'm trying to write a small shell script/command to insert the contents of one file into another file at a position marked with a given text string. It's not necessarily at the top or bottom of the file so I can't just use cat to cat the files together. I think probably sed with the r option is... (5 Replies)
Discussion started by: shaun29
5 Replies

7. Shell Programming and Scripting

Insert character in a specific position of a file

Hi, I need to add Pipe (|) at 5th and 18th position of all records a file. How can I do this? I tried to add it at 5th position using the below code. It didnt work. Please help!!! awk '{substr($0,5,1) ~ /|/}{print}' $input_file > $temp_file (1 Reply)
Discussion started by: gpaulose
1 Replies

8. Shell Programming and Scripting

Convert case on specified position of flat file

Please help Need a script which will do the following : Search on fixed width file , go to position (25,2) which means 25th and 26th position, Find if there are any char in lower case: For example 25,2 can be (9T) or (9w) or (Ww) or (wW)....The two positions can be numeric or alpha...no... (13 Replies)
Discussion started by: ssantoshss
13 Replies

9. Shell Programming and Scripting

Sorting a flat file based on multiple colums(using character position)

Hi, I have an urgent task here. I am required to sort a flat file based on multiple columns which are based on the character position in that line. I am restricted to use the character position instead of the space and sort +1 +2 etc to do the sorting. I understand that there is a previous... (8 Replies)
Discussion started by: cucubird
8 Replies

10. HP-UX

find the position in a file and insert the data there

Hi, I have a EDI data file ARROWTEST of size 18246 characters. And I want to insert some data after 4200 position in the file. How I can find the position 4200 in that file....Please advise. Regards, (5 Replies)
Discussion started by: isingh786
5 Replies
Login or Register to Ask a Question