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I want to get variables from a output file specific location,and input file format as below:

log1.txt format:
[v] Output Data
<Value>DIMM_A,4096,1600,Hynix,HMT351S6CFR8C-PB,0942E041,1206,01,Hynix,,</Value>

or log2.txt format:
[v] Output Data
<Value>DIMM_B,4096,1600,Hynix,HMT351S6CFR8C-PB,017E90AE,1205,01,Hynix,,</Value>
<Value>DIMM_A,4096,1600,Hynix,HMT351S6CFR8C-PB,012E908D,1205,01,Hynix,,</Value>

and we want to get output OUT.TXT file format as below:

if log1.txt format and then output file format:
SET DIMM1=DIMM_A,4096,1600,Hynix,HMT351S6CFR8C-PB,0942E041,1206,01,Hynix,,

if log2.txt format and then output file format:
SET DIMM2=DIMM_B,4096,1600,Hynix,HMT351S6CFR8C-PB,017E90AE,1205,01,Hynix,,
SET DIMM1=DIMM_A,4096,1600,Hynix,HMT351S6CFR8C-PB,012E908D,1205,01,Hynix,,

who could you help to me? thanks!

1 Answer 1

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The main problem is that we don't know how much lines with Value we have. Therefore solution is a bit complicated:

sed -n '/^<Value/{s/^<[^>]*>/=/;s/<[^>]*>$//;p}' log1.txt | sort | cat -n |\
sed 's/^\s\+\([0-9]*\)\s\+=/SET DIMM\1=/'

where the first sed greps lines with Value and removes <> tags. After that sort will sort lines, cat -n will enumerate them and last sed will move the line number into DIMM-num-.

With awk it would be pretty close to sed solution:

awk -F'>' '/^<Value/{gsub ("<.*", "", $2);print $2}' log1.txt | sort |\
awk '{print "SET DIMM"NR"="$0}'
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  • I have tried your command line, but no result output,
    – Sam
    Jul 7, 2012 at 1:32
  • Does your file have the exact format as in example? Try to remove ^ before <Value.
    – rush
    Jul 7, 2012 at 8:42

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