[awk] timestamp on 1st column
|awk ' { print strftime("[%Y-%m-%d %H:%M:%S]", systime()),$0 } ' --------------- output example # echo aaaa |awk ' { print strftime("[%Y-%m-%d %H:%M:%S]", systime()),$0 } ' [2016-01-29 20:24:53] aaaa
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[awk] convert K, M, G to byte in string
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p1 file 1.2G /home/parkmo 0.5M /home/parkmo/tmp ------------------------------------------ Output 1288490188 /home/parkmo 524288 /home/parkmo/tmp ------------------------------------------ ---- the script ----- cat p1 | awk '{ TEXT1=$1; TEXT2=$2; SEP=substr(TEXT1, length(TEXT1), length(TEXT1)); STR_VALUE=substr(TEXT1, 0, length(TEXT1-1)); # print SEP; # print STR_VALUE; if ( SEP == "K" ) { VALUE=STR_VALUE*1024 } else if ( SEP == "G") { VALUE=STR_VALUE*1024*1024*1024 } else if ( SEP == "M") { VALUE=STR_VALUE*1024*1024 } else { VALUE=STR_VALUE } printf("%d %s\n", VALUE, TEXT2) } '