grepping line inbetween triggers , using awk

sam() { cat sam | awk 'BEGIN{a="'$1'";s=0} {if($0~a) {s=s+1} {if(s==1) {print $0}} {if(s==2) {s=0}}}';  }


cat sam
trigger
hi
this
is
sam
trigger
this
line
will
not
display
trigger
this
line
will
be
on
display
trigger
bye

usage:
sam trigger

eptuwya@JDQ08R1:~$ sam() { cat sam | awk 'BEGIN{a="'$1'";s=0} {if($0~a) {s=s+1} {if(s==1) {print $0}} {if(s==2) {s=0}}}';  }
eptuwya@JDQ08R1:~$ vim sam
eptuwya@JDQ08R1:~$ sam trigger
trigger

hi

this

is

sam

trigger

this

line

will

be

on

display