如何避免文件中所有行的开头出现特定的字符串？

Question

I have a file, the contents are like below,

    /hello/dir1/dir2/remove_til_here/code/dira/dir1/a.c
    /hello/dir1/dir2/remove_til_here/code/dirb/dir7/b.c
    /hello/dir1/dir2/remove_til_here/code/dirc/dir3/c.c
    /hello/dir1/dir2/remove_til_here/code/dird/dir2/d.c
    ......

I want o/p as below:

code/dira/dir1/a.c
code/dirb/dir7/b.c
code/dirc/dir3/c.c
code/dird/dir2/d.c

I want to avoid string /hello/dir1/dir2/remove_stil_here/ from all the line. Please shed some light on this. I have tried with cat file | awk '{print $5}' cat file | awk '{print $5}' But it's of no use, thanks in advance!

Answer 1

How about sed ?

sed 's|^.*remove_til_here/||'

For a non-greedy match I think you can also use perl - no, wait, don't run away:

perl -pe 's|^(.*?)remove_til_here/||' file

Answer 2

Since the pattern to be removed is a fixed path , you know how many directory separators are present. So might as well use cut :

cut -d/ -f6- inputfile