awktest.sh

一个awk和bsh混合编程的例子

#!/usr/bin/ksh
REPORT_FILE_NAME=REP6_716_20080625092336_1
ATTRIBUTES="\$FDN:userlabel:aaa"
REPORT_ID=19
Attr_Names="userLabel etId implSt"
Attr_Types="userLabel:STR etId:INT implSt:ENUM"

	if [ -f "$REPORT_FILE_NAME" ]; then
	{	
		echo "aaa" |awk '{
			num=extractAttrs(required_attrs, attrs, ":");
			
			for (x=1;x<=num;x+=1)
			{
				printf "%s -- %s\n", x,attrs[x];
			}		
		}
		function extractAttrs(in_string,array,seperator) {
			ix=1;
			attrs_string_tmp=in_string;
			pos_sep_req=index(attrs_string_tmp,seperator);
			while (pos_sep_req != 0 && length(attrs_string_tmp) !=0)
			{
				attr_str=substr(attrs_string_tmp,1,pos_sep_req-1);
				array[ix]=attr_str;
				ix+=1;
				attrs_string_tmp=substr(attrs_string_tmp,pos_sep_req+1);
				pos_sep_req=index(attrs_string_tmp,seperator);
			}
			if (length(attrs_string_tmp) !=0)
			{
				attr_str=substr(attrs_string_tmp,1);
				array[ix]=attr_str;
			}
			else
			{
				ix-=1;
			}
			return ix;
		}
		' required_attrs="$ATTRIBUTES" additional_attr="$Attr_Names" additional_type="$Attr_Types";
		
	}
	else
	{
		echo "ERROR: $REPORT_FILE_NAME not exist";
	}
	fi