a small piece awk code chop a chunk text from input

[Terrence Miao <terrence@xxxxxxxxxxxxxx>]

a small piece awk code chop a chunk text from input
---------------------------------------------------

#!/usr/bin/gawk -f

## Usage:
##
##	filter.gawk --assign startsWith=%PDF- endsWith=%EOF inputfile
##
##      OR
##
##	filter.gawk --assign startsWith=ZHDASCRA55 endsWith=ZTRENDRA55 inputfile
##

BEGIN {
	while (getline aline) {
		if (index (aline, startsWith)) {
			printf "%s\n", aline
			
			while (getline anotherline) {
				printf "%s\n", anotherline

				if (index (anotherline, endsWith)) {
					exit
				} 
			}
		}
        }
}




-- 
Terrence Miao                       
Independent IT Consultant                              ...   __o         
Intelligent Business Solutions & Services Pty. Ltd.  ...    -\<,  
URL: http://www.terrencemiao.com/                     ... (_)/(_) ..