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Hi ,,
i have the below file...

D 2342135
B 214236
C argjlksd
V lskjrghaklsr
C slkrgj
B sdg4tsd
E aslkgjlkasg


i want to sort the lines into different files based on the starting...

use of \rm -f.

can any body tell me the sue of the backslash at the begining of the command?

thanks a ton..... :b::b::b:

i guess that would be fine.

but can you please help me to understand the code.

and please explain me why you did not use \gm at the end.:rolleyes:

i think i will make my requirement clear..

if &xxxxxx; is present in the string then it should replace the & with &

but if the xxxxxx (which can be longer) contains a &. then it should not...

but the solution fails if the input is

<p>A policy insight into the&amp;#x2013; R&amp;Dpatent relationship</p>


the desired result is
<p>A policy insight into the&#x2013; R&amp;Dpatent...

sorry for the late reply..


the desired output will be
<p>A policy insight into the R&amp;D&#x2013;patent relationship</p>

can you check with this

<p>A policy insight into the R&amp;D&amp;#x2013;patent relationship</p>

the sample input

<p>A policy insight into the R&amp;D patent relationshi&amp;ecute;p</p>


expected output
<p>A policy insight into the R&amp;D patent relationshi&ecute;p</p>


but the present...

oh sorry.

I wanted to re iterate the requirement.

the present code is (\w\W*\w+\)

will remove the string "amp;" in the &amp;xxxxx&ecute; even if the xxxxx is a part of \w* or \W*.

now...

i am a beginner in unix,

so just want to reconfirm what that code will do.

can you give a few line explanation.

hi all,

I have this particular piece of code

perl -pi -e 's#\&amp\;(\w\W*\w+\;)#\&$1#gm' filename.txt


the (\w\W*\w+\;) part should not contain an "&".

That means that if a string...

yeah i can sort and then use it.


As i will be using the comm frequently. i need to sort many of such files which has to be comm 'ed later. which creates many temp files.

Ne other method...

hi,

I have two unsorted files and want to delete the lines which are common to both.

file 1:

S1069656304010437
S1069656304010449
S1470204501005393
S1069656304010474
S0001209208001294...

yep i am using tcsh. sorry i didn't mention that before.

But the code does not work!!!

it deletes all the content..

i want to delete only the blank lines

file1.lst
abcd
abcdef...

i got this now

Missing name for redirect.

hi
i am using the below code

grep -v '^$' file1.lst >file1.lst

but it gives file1.lst already exists.
And i want to over rite on the same file

Whats the work around?

No, Thanks. This was what i wanted.

HI,

if a String is present in file1.txt, i want to delete that String from file2.txt.

How can i do this??

I am sure that the file1.txt is a subset of file2.txt.