sankarramanv,
It seems for me that this task does not need both python AND shell. Only
python does it, as well as only shell.
Of course, there can be some restrictions let you use both. (the real world
is filled up with such troublesome matters !)
If you *really* need to use `lgrep`, try `-f` opt
On 21/03/18 10:44, sankarram...@gmail.com wrote:
Hi,
I have a requirement.
cmd="cat |grep -c 'if [ -t 1 ]; then mesg n 2>/dev/null; fi'"
I need to escape only the square brackets in above variable since its not
grepping without escaping the brackets.
You need to escape the square brackets a
On Wed, Mar 21, 2018 at 9:44 PM, wrote:
> Hi,
>
> I have a requirement.
>
> cmd="cat |grep -c 'if [ -t 1 ]; then mesg n 2>/dev/null; fi'"
>
> I need to escape only the square brackets in above variable since its not
> grepping without escaping the brackets.
>
> Please help.
You're putting this
Hi,
You don't need a regexp for this, the "replace" method on a string
will do what you want:
>>> s = 'this is a [string'
>>> print(s.replace('[', '\\['))
this is a \[string
Paul
On 21 March 2018 at 10:44, wrote:
> Hi,
>
> I have a requirement.
>
> cmd="cat |grep -c 'if [ -t 1 ]; then mesg n
Hi,
I have a requirement.
cmd="cat |grep -c 'if [ -t 1 ]; then mesg n 2>/dev/null; fi'"
I need to escape only the square brackets in above variable since its not
grepping without escaping the brackets.
Please help.
Thanks.
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