Dear All,
I am new to this forum and please ignore my little knowledge :p
I have two types of data (a subset is given below)
data version 1:
439798 2 1
451209 1 2
508696 2 1
555760 2 1
582757 1 2
582889 1 2
691827... (2 Replies)
Hi all,
I have 2 files:
second file
I want if entries in one file will match in other file. It shuld wite approve before it
so output shuld be (1 Reply)
Hi all
I have to compare two files and find common entries
First file is like this
XVY
CVY
ZYN
MNA
In second file I have to search these entries in even number of columns
5 XVY 7 hdfj 8 CVY 9
if there is common entries then out put shuld be
5 XVY(approved) 7 hdfj 8... (11 Replies)
I am trying to extract common list of Organisms from different files
For example I took 3 files and showed expected result. In real I have more than 1000 files. I am aware about the useful use of awk and grep but unaware in depth so need guidance regarding it.
I want to use awk/ grep/ cut/... (7 Replies)
Hi All,
I have two files like below:
File1
MYFILE_28012012_1112.txt|4
MYFILE_28012012_1113.txt|51
MYFILE_28012012_1114.txt|57
MYFILE_28012012_1115.txt|57
MYFILE_28012012_1116.txt|57
MYFILE_28012012_1117.txt|57
File2
MYFILE_28012012_1110.txt|57
MYFILE_28012012_1111.txt|57... (2 Replies)
Hello all,
I have 2 text files.
For example:
File1.txt contains data
A
B
C
D
****NEXT****
X
Y
Z
****NEXT****
L
M
N
and File2.txt contains data (13 Replies)
Hi,
I have 10 files which needs to be print common words from those all files.
Is there any command to find out. (2 Replies)
Discussion started by: munna_dude
2 Replies
LEARN ABOUT OPENDARWIN
cat
CAT(1) BSD General Commands Manual CAT(1)NAME
cat -- concatenate and print files
SYNOPSIS
cat [-benstuv] [file ...]
DESCRIPTION
The cat utility reads files sequentially, writing them to the standard output. The file operands are processed in command-line order. If
file is a single dash ('-') or absent, cat reads from the standard input. If file is a UNIX domain socket, cat connects to it and then reads
it until EOF. This complements the UNIX domain binding capability available in inetd(8).
The options are as follows:
-b Number the non-blank output lines, starting at 1.
-e Display non-printing characters (see the -v option), and display a dollar sign ('$') at the end of each line.
-n Number the output lines, starting at 1.
-s Squeeze multiple adjacent empty lines, causing the output to be single spaced.
-t Display non-printing characters (see the -v option), and display tab characters as '^I'.
-u The -u option guarantees that the output is unbuffered.
-v Display non-printing characters so they are visible. Control characters print as '^X' for control-X; the delete character (octal
0177) prints as '^?'. Non-ASCII characters (with the high bit set) are printed as 'M-' (for meta) followed by the character for the
low 7 bits.
DIAGNOSTICS
The cat utility exits 0 on success, and >0 if an error occurs.
EXAMPLES
The command:
cat file1
will print the contents of file1 to the standard output.
The command:
cat file1 file2 > file3
will sequentially print the contents of file1 and file2 to the file file3, truncating file3 if it already exists. See the manual page for
your shell (i.e., sh(1)) for more information on redirection.
The command:
cat file1 - file2 - file3
will print the contents of file1, print data it receives from the standard input until it receives an EOF ('^D') character, print the con-
tents of file2, read and output contents of the standard input again, then finally output the contents of file3. Note that if the standard
input referred to a file, the second dash on the command-line would have no effect, since the entire contents of the file would have already
been read and printed by cat when it encountered the first '-' operand.
SEE ALSO head(1), more(1), pr(1), sh(1), tail(1), vis(1), zcat(1), setbuf(3)
Rob Pike, "UNIX Style, or cat -v Considered Harmful", USENIX Summer Conference Proceedings, 1983.
STANDARDS
The cat utility is compliant with the IEEE Std 1003.2-1992 (``POSIX.2'') specification.
The flags [-benstv] are extensions to the specification.
HISTORY
A cat utility appeared in Version 1 AT&T UNIX. Dennis Ritchie designed and wrote the first man page. It appears to have been cat(1).
BUGS
Because of the shell language mechanism used to perform output redirection, the command ``cat file1 file2 > file1'' will cause the original
data in file1 to be destroyed!
BSD September 15, 2001 BSD