bash - I want to extract data between sentences and send it to a file -


I have a time log file that starts with a statement: 

  N: 5, image: 320 420, SF: 2

then .. 

  0.192 9.1829 879.08

.. With the value of

is.

I want to remove the time (floating-point number) in a file for N = 5, then N = 10

< P> This is the code that I wrote 

  strict use; Use warnings; #Open (FH, "Out_Put / Time_Log1TTT"); # My $ row = & lt; FH> # My @b = & lt; FH>; #Foreach My $ line (@b) # {# perl -i.bak -ne print until open / #} (FIL, "Out_pot / time_lag1.1"); My $ sum = 0; My $ count = 0; My $ average = 0; Foreign (& lt; FIL & gt;) {chomp; $ Sum + = $ _; $ Count ++;} $ average = $ amount / $ count; Close (fil); Print "yoga = $ sum \ n"; Print is "average = $ average \ n";

OK, so given what you are trying to do - It seems that you summarize the prices after the 'N' line: 

  Use strict; Use warnings; My% n_values; My% n_count; My $ current_n = 0; While (& lt; data & gt;) {chomp; If (m / \ AN: \ d + /) {($ current_n) = (m / \ AN: (\ d +) /); } My ($ value) = (m / ([\ d.] +) /); If (defined $ value) {$ n_values ​​{$ current_n} + = $ value; $ N_count {$ current_n} ++; }} Foreach My $ n (keys% n_values) {print "n: $ n value: $ n_values ​​{$ n} \ n"; } __DATA__ N: 5, Image: 320 420, SF: 2 0.192 9.1829 879.08 N: 100, Image 640 480 SF 2 0.98 56.973 230.988

This through the contents of the data The cycle will be , one line reading at a time, and $ current_n starts each time it starts N: . A hash is updated to $ current_n , as long as there is a value to add to it.

What should be the trick, although this error does not do much in the way of the investigation such as invalid value in the file


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