Sponsored Content
Full Discussion: Concatenating two files
Top Forums Shell Programming and Scripting Concatenating two files Post 302236575 by summer_cherry on Monday 15th of September 2008 10:23:12 PM
Old 09-15-2008
Code:
format head=
name 	age
---------------
.
format content=
@<<<<<<<@>>>>>>
$name $age
.
open(FH,">out.txt") or die "Can not open file!";
select FH;
$^=head;
$~=content;
open(FH1,"<first.txt");
while(<FH1>){
	if($.>1)
	{
		($name,$age)=split(" ",$_);
		write;
	}
	
}
close(FH1);
open(FH1,"<second.txt");
while(<FH1>){
	if($.>1)
	{
		($name,$age)=split(" ",$_);
		write;
	}
}
close(FH1);

 

8 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

concatenating x files into a one...

... i have 4 files to concatenate but in a certain order and i wanted to do it in a shorter one line command , if possible ! 4 files : file , file0 , file1 and file2 file1 into file2 file0 into the result file into the result thanks in advance Christian (1 Reply)
Discussion started by: Nicol
1 Replies

2. UNIX for Dummies Questions & Answers

Concatenating records from 2 files

I'm trying to concatenate records from 2 files and output it to a third file. The problem I'm running into is that it seems like the "While" command is limited to processing one file at a time. It seems like you could read a record from file1 into a variable. Then do the same for the for file2.... (4 Replies)
Discussion started by: Powcmptr
4 Replies

3. Shell Programming and Scripting

negatively concatenating files

That subject might sound weird. What I have is two files. One looks like: rf17 pts/59 Jul 10 08:43 (10.72.11.22) 27718 pts/59 0:00 b rf17 pts/3 Jul 10 10:03 (10.72.11.22) 32278 pts/3 1:43 b rf58 pts/29 Jul 10 10:09 (10.72.11.51) 44220 pts/29 0:06 b rf58 pts/61 Jul 10 08:45 (10.72.11.51)... (2 Replies)
Discussion started by: raidzero
2 Replies

4. UNIX for Dummies Questions & Answers

Concatenating Text Files

Hi, I have 30 text files on UNIX that I need to concatenate and create one big file. Could anyone provide me with a solution (if one exist)? I need the answer asap (today). Thanks a lot. Denis (5 Replies)
Discussion started by: 222001459
5 Replies

5. Shell Programming and Scripting

concatenating similar files in a directory

Hi, I am new in unix. I have below requirement: I have two files at the same directory location File1.txt and File2.txt (just an example, real scenario we might have File2 and File3 OR File6 and File7....) File1.txt has : header1 record1 trailer1 File2.txt has: header2 record2... (4 Replies)
Discussion started by: Deepak62828r
4 Replies

6. Shell Programming and Scripting

Concatenating 3 files into a single file

I have 3 files File1 C1 C2 c3 File 2 C1 c2 c3 File 3 C1 c2 c3 Now i want to have File1 as C1 c2 c3 I File2 as C1 c2 c3 O File3 as c1 c2 c3 D and these 3 files should be concatenated into a single file how can it be done in unix script? (3 Replies)
Discussion started by: Codesearcher
3 Replies

7. Shell Programming and Scripting

Concatenating two files in required format

Firstly one of my mysql queries will yeild following output +-------+---------------------+-------------------+----------------------------------------------------------------------------+ | ID | PLATFORM | SORT_NAME | DESCRIPTION ... (2 Replies)
Discussion started by: vivek d r
2 Replies

8. Shell Programming and Scripting

Concatenating 2 lines from 2 files having matching strings

Hello All Unix Users, I am still new to Unix, however I am eager to learn it.. I have 2 files, some lines have some matching substrings, I would like to concatenate these lines into one lines, leaving other untouched. Here below is an example for that.. File 1 (fasta file): >292183... (6 Replies)
Discussion started by: Mohamed EL Hadi
6 Replies
cat(1)							      General Commands Manual							    cat(1)

Name
       cat - concatenate and print data

Syntax
       cat [ -b ] [ -e ] [ -n ] [ -s ] [ -t ] [ -u ] [ -v ] file...

Description
       The  command reads each file in sequence and displays it on the standard output.  Therefore, to display the file on the standard output you
       type:
       cat file
       To concatenate two files and place the result on the third you type:
       cat file1 file2 > file3
       To concatenate two files and append them to a third you type:
       cat file1 file2 >> file3
       If no input file is given, or if a minus sign (-) is encountered as an argument, reads from the standard input file.  Output is buffered in
       1024-byte blocks unless the standard output is a terminal, in which case it is line buffered.  The utility supports the processing of 8-bit
       characters.

Options
       -b   Ignores blank lines and precedes each output line with its line number.

       -e   Displays a dollar sign ($) at the end of each output line.

       -n   Precedes all output lines (including blank lines) with line numbers.

       -s   Squeezes adjacent blank lines from output and single spaces output.

       -t   Displays non-printing characters (including tabs) in output.  In addition to those representations used with the -v  option,  all  tab
	    characters are displayed as ^I.

       -u   Unbuffers output.

       -v   Displays  non-printing  characters (excluding tabs and newline) as the ^x.	If the character is in the range octal 0177 to octal 0241,
	    it is displayed as M-x. The delete character (octal 0177) displays as ^?.  For example, is displayed as ^X.

See Also
       cp(1), ex(1), more(1), pr(1), tail(1)

																	    cat(1)
All times are GMT -4. The time now is 02:52 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy