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# [ /home/soio/1bs/awks ] {2018-04-13 09:00:48}
: 1523581248:0;➜ cat F3
Flash - cf3:
Administrative State : up
Operational state : up
Serial number : STI1MN3610037093014
Firmware revision : 01/17/07
Model number : STI Flash 8.0.0
Size : 1,950 MB
Free space : 796,032 KB
# [ /home/soio/1bs/awks ] {2018-04-13 09:00:35}
: 1523581235:0;➜ awk -F'[ :-]+' 'BEGIN{t=split("KB MB GM",u);for(n=1;n<=t;++n)a[u[n]]=(2**10)**n}function sz(n,m){gsub(",","",n);return(n*(a[m]?a[m]:1))}!NF{next}$1!=""{f=/^Flash/?$2:""}f&&$2=="Size"{s=sz($3,$4)}f&&/Free space/{k=sz($4,$5);d=d";"f":"int((s-k)/s*100)"%"}END{if(d){sub("^;","",d);print f}}' F3
cf3
# [ /home/soio/1bs/awks ] {2018-04-13 09:00:39}
: 1523581239:0;➜ awk 'BEGIN {a=123456789;b=a-12345678}c{print c}'
^C
c无法调用
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