Sed print between patterns the first match result

Question

the file like:

File /home/user/

int yl_init(void);

File /home/user/

int yl2_init(void);

I want u

Answer 1

This might work for you (GNU sed);

sed '/File/,/;/!d;/;/q' file

• /File/,/;/!d delete all lines not between File and ;
• /;/q quit on encountering a line containing ;

Answer 2

You can use a the q command to cause sed to exit when the second pattern is matched:

sed -n '/File/,$p;/;/q'