please help:
I want to add 1 space between string and numbers:
input file:
abcd12345
output file:
abcd 1234
The following sed command does not work:
sed 's/\(+\)\(+\)/\1 \2/' file
Any ideas, please
Andy (2 Replies)
Hello Experts,
Can someone help me here:
I have a variable which contains a string with "".
set var1 {a}
set str1 {a is the element i want to match}
Now "regexp $var1 $str1" does not work?
("regexp {a\} $str1" works, but var1 gets it's value automatically from another script)
Is... (6 Replies)
I installed the GnuWin32 tools on my Windows XP system but I cannot .. for the life of me .. get the SED tool to work for me.
All I need to do is remove blank lines for a text file. My script is ...
sed -e '/^$/ d' xxx.txt > yyy.txt
The error msg is: sed: -e expression #1, char 1: unknown... (1 Reply)
Hi,
I am not that good with reg exp and sed. But I was just looking at something the other day and came across a situation.
When I ran the below command:
echo "123 word" | sed 's/*/(&)/'
the op was:
(123) word
But when I ran:
echo "123 word" | sed 's/*/(&)/g'
the o/p was:
(123)... (4 Replies)
Dear all
i have the code which print 1 line of context before and after regexp, with line number
sed -n -e '/regexp/{=;x;1!p;g;$!N;p;D;}' -e h
the code work well but any one can tell me what each letter mean {=;x;1!p;g;$!N;p;D;}
also how i can print 2 line before and onle line after ... (2 Replies)
Hello,
I cannot see what's wrong in my code.
When I run code below, it just print an empty string.
my $test = "SWER~~ERTGSDFGTHAS_RTAWGA_DFAS.x4-234253454.in";
if ($test = ~ m/\~{1,2}.*4/) {
print "$1\n";
}
else {
print "No match...\n";
}
Anyone know what I'm doing wrong?
... (4 Replies)
Hi folks. I would like to remove the full parent (outer) xml tag from a file given a matching child (inner) tag, in a bash shell.
To be more specific, this is what I have so far:
$ cat myFile.xml
<Sometag></Sometag>
<Outer>
<Inner>1</Inner>
</Outer>
<Outer>
<stuff>alot</stuff>
... (3 Replies)
Hi,
maybe it is stupid question, but is it possible to match expression like this ? :
... // ... ( there is "//" somewhere on the line and on the end of the line there ISN'T "*/" )
I've tried something like : (in SED)
sed 's/\/\/'
but I need "*/" not to be on the end of the line ...... (2 Replies)
HI..
I made ".bat" in windows 2003 , with
set TIEMPO1= %TIME% | sed -e "s/://g" -e "s/,//g"
echo valor de tiempo1 = %TIEMPO1%
when i execute this, the result is
but if i open cmd, and execute en line command this..
G:\>echo %TIME% | sed -e "s/://g" -e "s/,//g"
12390841
anyone have... (5 Replies)
Hi everyone, I would really appreciate any help I could get on the following topic.
I am not very familiar with reg expressions nor with sed, I just know the basic uses. What I am trying to do is the following: I have a huge text file where I would like to replace all occurnces of a certain... (13 Replies)
Discussion started by: Boxtuna
13 Replies
LEARN ABOUT REDHAT
head
HEAD(1) FSF HEAD(1)NAME
head - output the first part of files
SYNOPSIS
head [OPTION]... [FILE]...
DESCRIPTION
Print first 10 lines of each FILE to standard output. With more than one FILE, precede each with a header giving the file name. With no
FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-c, --bytes=SIZE
print first SIZE bytes
-n, --lines=NUMBER
print first NUMBER lines instead of first 10
-q, --quiet, --silent
never print headers giving file names
-v, --verbose
always print headers giving file names
--help display this help and exit
--version
output version information and exit
SIZE may have a multiplier suffix: b for 512, k for 1K, m for 1 Meg.
AUTHOR
Written by David MacKenzie.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
SEE ALSO
The full documentation for head is maintained as a Texinfo manual. If the info and head programs are properly installed at your site, the
command
info head
should give you access to the complete manual.
head (coreutils) 4.5.3 February 2003 HEAD(1)