Thanks all for your replies and for your explainations alister. But it is still not working with the bash only syntaxe :
My bash version is : GNU bash, version 3.2.25(1)-release (x86_64-redhat-linux-gnu) I know that bash is currently on version 4.X so ...
But panyam an kurumi's solutions works great.
Thanks a lot to all of you.
Hi
I want to do a regex test and branch based on the test result, but this doesn't seems to work :confused:
if \) ]]
then
echo success
else
echo failed
fi (1 Reply)
It can get very annoying that bash regex =~ is case-sensetive, is there a way to set it to be case-insensetive?
if ]; then
echo match
else
echo no match
fi (8 Replies)
Hello
I have a bash script where I need to do a substring replacement like this:
variable2=${variable1/foo/bar}
However, I only want "foo" replaced if it is at the end of the line.
However, this does not work:
variable2=${variable1/foo$/bar}
as you can see I'm using the $ regex for... (2 Replies)
Hey all,
I have a very simple regular expression that I use when I want to allow only letters with spaces. (I know this regex has a lot of shortcomings, but I'm still trying to learn them)
isAlpha='^*$'However, when I bring this over to BASH it doesn't allow me to enter spaces.
I use the... (3 Replies)
I've been using the following regex below in a bash script on RHEL 5.5 using version
GNU bash, version 3.2.25(1)-release
I've tried using the script on RHEL 6.3 which uses GNU bash, version 4.1.2(1)-release
I assume there's been alot of changes to bash since that's quite a jump in revisions.... (12 Replies)
# check host value regex='^(||1|2|25)(\.(||1|2|25)){3}$' if ')" != "" ]; then if ]; then echo host $host not found exit 4 fi elif ]; then echo $host is an invalid host address exit 5 fi (1 Reply)
Hi, I am trying to match this word: hexagon-bx.mydomain.com with regex. I have tried this:
"\.*]*$"
So far I have not been successful. I also need to make sure that the regex will match words that just have lowercase letters and numbers in them, such as camera01. How can I create such an... (5 Replies)
I am trying to find files using the following by using simple bash script:
if -2014 ]]; then echo "yes";fi
What I need to find are any files with date 08-**-2014 so August 2014 any files.
I can use if -2014 ]]; then echo "yes";fi
That works fine. How do I get files beginning with 08... (1 Reply)
I'm building a script that may received start and end date as parameters. I whant to make it as flexible as possible so I'm accepting epoch and date in a way that "date --date=" command may accept. In order to know if parameter provided is an epoc or a "date --date=" string I evaluate if the value... (2 Replies)
I stumbled upon a problem, which I simplified to this:
There is a list of numbers, stored in variable $LIST, lets use `seq 5 25` for demonstration.
There is a number that should be compared against this list. For demonstration I use user input - read VALUE
I am trying to compare RegEx... (2 Replies)