I am trying to remove a string ".var" using the below command but it's not working as expected, when I execute this in the command prompt using the echo it's working fine , please let me know where I am doing it wrong.
I have a script that produces an output containing '/.ssh'.
I am trying to find a way of parsing only this data from a single line, without removing any other special characters contained within the output as a result of the parse.
Any help would be appreciated (6 Replies)
Hi,
I'm a newbie to shell scripting and I have the following problem:
I need all spaces between two letters or a letter and a number exchanged for an underscore, but all spaces between a letter and other characters need to remain. Searching forums didn't help...
One example for clarity:
... (3 Replies)
I'd like to remove (do a pattern or precise replacement - this I can handle in SED using Regex )
---AFTER THE 1ST Occurrence ( i.e. on the 2nd occurrence - from the 2nd to fourth occurance ) of a specific string : type 1
-- After the 1st occurrence of 1 string1 till the 1st occurrence of... (4 Replies)
Hi All,
I don't want any codes for this problem. Just suggestions:
I have a huge collection of text files (around 300,000) which look like this:
1.fil
orange
apple
dskjdsk
computer
skjks
The entire text collection (referenced above) has about 1 billion words.
I have created... (1 Reply)
here is what i want to achieve... consider a file contains below contents. the file size is large about 60mb
cat dump.sql
INSERT INTO `table1` (`id`, `action`, `date`, `descrip`, `lastModified`) VALUES (1,'Change','2011-05-05 00:00:00','Account Updated','2012-02-10... (10 Replies)
Hi,
I'm fairly new to scripting and I have a problem that I am having difficulty solving.
What I'd like to do is run an awk script to adjust the string in the first field depending on the string in another field. This is best explained with an example:
Here is my script:
cat... (4 Replies)
Hi,
The command - id | awk '{print $1}' - returns the following:
uid=9028(luke)
What do I need to further that awk so that I only have "luke", I want to set this as a variable.
Thanks in advance,
Lukas.
P.S: I've come up with:
USER1=`id | awk F'(' '{print $2}' | awk -F')' '{print... (4 Replies)
Dear all
From below mention input file I needed op file as show below. I am using below code but not worked.
I/p file
BSCBCH1 EXAL-1-4 WO* SMPS MAINS FAIL
BSCBCH1 EXAL-1-5 WO* SMPS RECTIFIER FAIL
BSCBCH1 EXAL-1-6 WO* SMPS MAJOR ALARM
BSCBCH2 EXAL-1-10 WO* ... (5 Replies)
Hi All,
I am trying to remove (SELECTIVE - passed as argument) Extended ASCII using Awk based on adhoc basis. Can you please let me know how to do it. I have to implement this using awk only.
Thanks & Regads (14 Replies)
What I need is to remove the text from Location_file.txt from each line matching all entries from Remove_location.txt
Location_file.txt
FlowPrePaid, h3nmg1cm2,Jamaica_MTAImageFileFlowPrePaid,h0nmg1cm1, Flow_BeatTest,FlowRockTest
FlowNewTest,FlowNewTest,h0nmg1cm1
PartiallySubscribed,... (3 Replies)
Discussion started by: ketanraut
3 Replies
LEARN ABOUT CENTOS
escape
escape(1) Mail Avenger 0.8.3 escape(1)NAME
escape - escape shell special characters in a string
SYNOPSIS
escape string
DESCRIPTION
escape prepends a "" character to all shell special characters in string, making it safe to compose a shell command with the result.
EXAMPLES
The following is a contrived example showing how one can unintentionally end up executing the contents of a string:
$ var='; echo gotcha!'
$ eval echo hi $var
hi
gotcha!
$
Using escape, one can avoid executing the contents of $var:
$ eval echo hi `escape "$var"`
hi ; echo gotcha!
$
A less contrived example is passing arguments to Mail Avenger bodytest commands containing possibly unsafe environment variables. For
example, you might write a hypothetical reject_bcc script to reject mail not explicitly addressed to the recipient:
#!/bin/sh
formail -x to -x cc -x resent-to -x resent-cc
| fgrep "$1" > /dev/null
&& exit 0
echo "<$1>.. address does not accept blind carbon copies"
exit 100
To invoke this script, passing it the recipient address as an argument, you would need to put the following in your Mail Avenger rcpt
script:
bodytest reject_bcc `escape "$RECIPIENT"`
SEE ALSO avenger(1),
The Mail Avenger home page: <http://www.mailavenger.org/>.
BUGS
escape is designed for the Bourne shell, which is what Mail Avenger scripts use. escape might or might not work with other shells.
AUTHOR
David Mazieres
Mail Avenger 0.8.3 2012-04-05 escape(1)