Grep a sub-string from a string stored in a variable.
For example: I am grepping "Hello" from a file and there are 10 matches. So all ten lines with match will get stored into a variable($match). Now I want to ignore those lines which have "Hi" present in that.
Currently I tried this:
But that's not working properly
Last edited by Scrutinizer; 07-04-2019 at 07:51 AM..
Hi all,
I want to search for a data type in a line.For this in a loop i am checking for $DATA_TYPE in a line using grep.But grep is not able to find when i give this.
Can any one tell me how to check string in $DATA_TYPE variable in line usign grep (or) any other way to do the above task.
... (4 Replies)
Hello,
I'm running calculations and I need to extract a specific number from a output file. So far I've only been able to GREP entire lines containing the string: '1 F=' . I would like to go a step further and extract just the number following '1 F='. The entire line looks like:
1 F=... (10 Replies)
Hallo!
Example.
#!/bin/bash
BACKUP_DIR=/home/userx/backups/evolution
echo $BACKUP_DIR
# delete the first character from the string
BACKUP_DIR=$(echo $BACKUP_DIR | cut -c 2-)
echo $BACKUP_DIR
It works. It does want I want, delete the first character from string in the... (11 Replies)
I have two variables,
my $filename = "abc_yyyy_mm_dd.txt";
my $filename1 = " abc_2011_11_07.txt";
I need to perform some operations after checking if $filename has $filename1 in it
i have used the below code,
if($filename =~ /^$filename1/)
{
----
--
} (2 Replies)
Hi,
I've been stuck for several days on this. Using grep on a command line, I can use quotes, eg...
grep 'pattern of several words' filename
I want to do this in my bash script. In my script I have captured the several command line arguments (eg arg1 arg2) into a variable:
variable=$@
I... (2 Replies)
I am attempting to grep an exact string from a series of files within a directory and append that output to the filename when it is present in the file. I've been after this all day with no luck. Thanks for your help in advance :wall:. (4 Replies)
As the title says I'm running a korn script in attempts to find an exact match in named.conf
finddomain.ksh
#!/bin/ksh
#
echo "********** named.conf ************"
file=/var/named/named.conf
for domain in `cat $1`
do
grep -n '"\$domain "' $file
done
echo "********** thezah.inc... (1 Reply)
Hi ,
I am executing 2 queries and output is saved in file1.txt and file2.txt
example of file1.txt
Testing word Doc.docx,/Lab/Development and Validation/Multitest/MT_010708/Testing,Development and Validation,root,11-Mar-2014,,,,,
Testing Excel _.xlsx,/Lab/Development and... (3 Replies)
Here is the structure of my file:
MyFile.txt
g-4.n.g.fr 10.147.243.63 g-4.n.g.fr-w1
Here is my sript:
test.sh
#! /bin/sh
ip=10.147.243.63
worker=$(grep -e $ip $1 | awk '{ print $3; }')
echo ""
echo $worker
echo ""
echo $worker
echo ""
echo "$worker.v.1"
echo... (7 Replies)
Discussion started by: chercheur111
7 Replies
LEARN ABOUT SUSE
match
MATCH(1L) Schily's USER COMMANDS MATCH(1L)NAME
match - searches for patterns in files
SYNOPSIS
match [ -option ] pattern [ file ... ]
DESCRIPTION
Match searches the named files or standard input (if no filenames are given) for the occurrences of the given pattern on each line. The
program accepts literal characters or special pattern matching characters. All lines that match the pattern are output on standard output.
You can only specify one pattern string for each match, however, you can construct an arbitrarily complex string. When you do not specify
a file, match can be used as a filter to display desired lines. Standard in is used if no files are specified.
OPTIONS -not, -v
Prints all lines that do not match.
-i Ignore the case of letters
-m Force not to use the magic mode
-w Search for pattern as a word
-x Display only those lines which match exactly
-c Display matching count for each file
-l Display name of each file which matches
-s Be silent indicate match in exit code
-h Do not display filenames
-n Precede matching lines with line number (with respect to the input file)
-b Precede matching lines with block number
REGULAR EXPRESSIONS
The following is a table of all the pattern matching characters:
c An ordinary character (not one of the special characters discussed below) is a one character regular expression that matches that
character.
c A backslash () followed by any special character is a one character regular expression that matches the special character itself.
The special characters are:
! # % * { } [ ] ? ^ $
! Logical OR as in match this!that!the_other. You may have to use `{}' for precedence grouping.
# A hash mark followed by any regular expression matches any number (including zero) occurrences of the regular expression.
? Matches exactly any one character. W? matches Wa, Wb, Wc, W1, W2, W3 ...
* Matches any number of any character.
% Matches exactly nothing. It can be used in groups of ored patterns to specify that an empty alternative is possible.
{} Curly brackets may be used to enclose patterns to specify a precedence grouping, and may be nested. {%!{test}}version matches the
strings testversion and version.
[string]
A non empty string of characters enclosed in square brackets is a one character regular expression that matches any one character in
that string. If however the first character of the string is a circumflex (^), the one character expression matches any character
which is not in the string. The ^ has this special meaning only if it occurs first in the string. The minus (-) may be used to indi-
cate a range of consecutive ASCII characters; for example, [0-9] is equivalent to any one of the digits. The - loses it's special
meaning if it occurs first (after an initial ^, if any) or last in the string. The right square bracket (]) and the backslash ()
must be quoted with a backslash if you want to use it within the string.
^ Matches the beginning of a line.
$ Matches the end of a line. (^*$ matches any entire line)
EXAMPLES FILES
None.
SEE ALSO grep(1), fgrep(1), egrep(1)DIAGNOSTICS NOTES
Even if a match occurs more than once per line, the line is output only once.
Quote special pattern matching characters to prevent them from being expanded by the Command Interpreter.
BUGS
The length of the pattern is currently limited to 100 characters.
This limit is reduced by 38 if the -w option is used.
Joerg Schilling 15. Juli 1988 MATCH(1L)