, but you should be aware that these character graphics chars usually belong to a multibyte character set like utf-8 or so which may impose restrictions.
Hi,
How do I remove the lines where special characters or Unicode characters appear?
The following query does work but I wonder if there is a better way.
cat test.txt | egrep -v '\)|#|,|&|-|\(|\\|\/|\.'
The following lines show that my query is incomplete.
Warning: The word "*Khan" is... (1 Reply)
Hi there,
I'd like to write a script that removes any set of character from any string. The first argument would be the string, the second argument would be the characters to remove. For example:
$ myscript "My name's Santiago. What's yours?" "atu"
My nme's Snigo. Wh's yors?
I wrote the... (11 Replies)
Hello,
Is there a simpler way to remove special characters (color codes) from each lines in a log file?
I use sed like in the example below but I think there should be a more simple way to achieve the same result:
$ cat -vet file1
^, , , ,
Maybe to convert the file somehow?
... (5 Replies)
Dear Members,
We have a file which contains some special characters. I need to replace these special character by a new line character(\n).
The Special character is \x85.
I am not sure what this character means and how we can remove it.
Any inputs are greatly appreciated.
Thanks... (5 Replies)
hello all
I am writing a perl code and i wish to remove the special characters for text.
I wish to remove all extended ascii characters. If the list of special characters is huge, how can i do this using substitute command
s/specialcharacters/null/g
I really want to code like... (3 Replies)
Hi All,
I have a variable like
AVAIL="\
BACK:bkpstg:testdb3.iad.expertcity.com:backtest|\
#AUTH:authstg:testdb3.iad.expertcity.com:authiapd|\
TEST:authstg:testdb3.iad.expertcity.com:authiapd|\
"
What I want to do here is that If a find # before any entry, remove the entire string... (5 Replies)
Hi,
I have a input of the form:
..., word1, word2, word3...
I want out put of the form
word1, word2, word3
I tried echo '..., word1, word2, word3...' | tr -d '...,'
but that takes out the commas in the middle too so I get
word1 word2 word3
but I want the commas in the middle.
... (3 Replies)
Hi,
I have string like this ="Lookup Procedure"
But i want the output like this Lookup Procedure
=," should be removed.
Please suggest me the solution.
Regards,
Madhuri (2 Replies)
Hi Gurus,
I have file which contains some unicode charachator like "ü". I want to replace it with some charactors. I searched in internet and got command sed "s/ü/-/g", but I don't know how to type ü in unix command line.
Please help me for this one.
Thanks in advance (7 Replies)
Hi,
I have a "|" delimited file that is exported from a database.
There is one column in the file which has description/comments entered by some application user. It has "Control-M" character and "New Line" character in between the text.
Hence, when i export the data, this record with the new... (4 Replies)
Discussion started by: tarun.trehan
4 Replies
LEARN ABOUT OSX
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 Disable output buffering.
-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.
EXIT STATUS
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!
The cat utility does not recognize multibyte characters when the -t or -v option is in effect.
BSD March 21, 2004 BSD