Keep just a part of a file ...

OneDreamCloser · #1 (**permalink**) 1 Week Ago

hello all,

i would like your help on the following :

GIVEN a text file with the following format :

Code:

a
b
c
d
===============================================================
e

HOW can i delete all the lines that are located above this line (namely a, b, c, d lines) :

Code:

===============================================================

OR just keep the line with the equal signs and the line e ?

the desired output would be :

Code:

===============================================================
e

thank you

scottn · #2 (**permalink**) 1 Week Ago

Quote:

Originally Posted by OneDreamCloser

hello all,

i would like your help on the following :

GIVEN a text file with the following format :

Code:

a
b
c
d
===============================================================
e

HOW can i delete all the lines that are located above this line (namely a, b, c, d lines) :

Code:

===============================================================

OR just keep the line with the equal signs and the line e ?

the desired output would be :

Code:

===============================================================
e

thank you

Code:

awk '/=/{P=1}P' file1

(or)

Code:

awk '/^=+$/{P=1}P' file1

thegeek · #3 (**permalink**) 1 Week Ago

Code:

cat > t1
a
b
c
d
===============================================================
e

Code:

sed -n '/=/,$p' t1
===============================================================
e

OneDreamCloser · #4 (**permalink**) 1 Week Ago

thank you guys !

in the case that i would like to delete all the text that appears before the pattern :

Code:

a
b
c
===============================================================
======================== RESULTS ==============================
===============================================================
d
e

how i could do that ?

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