10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello friends,
I have a file with duplicate lines. I could eliminate duplicate lines by running
sort <file> |uniq >uniq_file and it works fine BUT it changes the order of the entries as it we did "sort".
I need to remove duplicates and also need to keep the order/sequence of entries. I... (1 Reply)
Discussion started by: magnus29
1 Replies
2. Shell Programming and Scripting
please see my requirement, I hope I am clear. (9 Replies)
Discussion started by: mirwasim
9 Replies
3. Shell Programming and Scripting
Hi,
I need a script that validates a file header/detail/trailer. File layout is:
Header - Rec_Type|File_name|File_Date
Detail - Rec_Type|field1|field2|field3...
Trailder - Rec_Type|File_name|File_Date|Record_count
Sample Data:
HDR|customer_data.dat|20120709... (7 Replies)
Discussion started by: ash_sh
7 Replies
4. Shell Programming and Scripting
Currently I have the following to separate the numeric values. However the decimal point get separated.
ls -lrt *smp*.cmd | awk '{print $NF}' | sed 's/^.*\///' | sed 's/\(*\)/ & /g'
As an example on the files
n02-z30-dsr65-terr0.50-dc0.05-4x3smp.cmd... (8 Replies)
Discussion started by: kristinu
8 Replies
5. UNIX for Dummies Questions & Answers
Hi,
I want to add the below Header to all the files in sequence File1,File2,File3...etc
"ABC,<number of chracter in the file>"
e,g - If File1 is as below
pqrstuvdt
abcdefgh
then I want to add the above header into it ,So that File1 becomes as below
ABC,17
pqrstuvdt
abcdefgh
... (9 Replies)
Discussion started by: spari2
9 Replies
6. UNIX for Dummies Questions & Answers
Hi all,
I have a file with 3 columns separated by space. Each column has a heading. I want to sort according to the values in the 2nd column (ascending order).
Ex.
Name rank direction
goory 0.05 --+
laby 0.0006 ---
namy 0.31 -+-
....etc.
Output should be
Name rank direction
laby... (3 Replies)
Discussion started by: Unilearn
3 Replies
7. Shell Programming and Scripting
Hi,
I am having a file which is fix length and comma seperated. And I want to replace values for one column.
I am reading file line by line in variable $LINE and then replacing the string.
Problem is after changing value and writing new file temp5.txt, formating of original file is getting... (8 Replies)
Discussion started by: Mruda
8 Replies
8. Shell Programming and Scripting
Hi All,
In my file i need to remove header and trailer records which comes in 1st line and last line respectively. After that i need to replace '$\|' with '$#@'.
I am using sed command for this and its taking lot of time. Is there any other command which can be used to improve performance?
... (1 Reply)
Discussion started by: HemaV
1 Replies
9. UNIX for Dummies Questions & Answers
All,
I am new to unix and i have the following requirement.
I have file(s) landing into input directory with timestamp, first i want to copy all these files into seperate directory then i want to rename these files without timestamp and also remove header,trailer from that file..
Could... (35 Replies)
Discussion started by: ksrams
35 Replies
10. Shell Programming and Scripting
Hi,
I need some help in removing the header (first line) and the trailer (last line) in a give file...
The data file actually comes in EBCDIC format and I converted it into ASCII..
Now I need to strip off the first line and the last line..
I think we can use sed to do something like this:... (2 Replies)
Discussion started by: madhunk
2 Replies