linux统计某个特定文件名的大小总和【原创】

[hch@EAISRVBJ2 log]$find ./ -name "test_chs_00*"|xargs du -ck|grep total|awk ‘BEGIN{sum=0}{sum+=$1}END{print sum}‘
315590856

参数说明
-c或--total 除了显示个别目录或文件的大小外，同时也显示所有目录或文件的总和。
-k或--kilobytes 以KB(1024bytes)为单位输出

[hch@EAISRVBJ2 log]$ bc
bc 1.06.95
Copyright 1991-1994, 1997, 1998, 2000, 2004, 2006 Free Software Foundation, Inc.
This is free software with ABSOLUTELY NO WARRANTY.
For details type `warranty‘. 
315590856/1024/1024
300
quit

[hch@EAISRVBJ2 log]$var1=`find ./ -name "EAIObjMgr_chs_00*"|xargs du -ck|grep total|awk ‘BEGIN{sum=0}{sum+=$1}END{print sum}‘`
[hch@EAISRVBJ2 log]$ let "var=$var1/1024/1024"
[hch@EAISRVBJ2 log]$ echo $var
299

写在一起执行如下：
var1=`find ./ -name "EAIObjMgr_chs_00*"|xargs du -ck|grep total|awk ‘BEGIN{sum=0}{sum+=$1}END{print sum}‘` && let "var=$var1/1024/1024" && echo $var