Create Summary file containg information

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# 1  
Old 10-20-2007
Create Summary file containg information


I have multiple files in a folder containing some information (there is around 100 of them). What I would like to do would be able to import some of the information into a summary text file so that it will be easier to read a glance.

The name of the files all start with the naming convention S25E3N and contain simalar to the following info (the date and the number change):

22 march 2007

The way that I would I would like to put this into a summary file would be as follows (I only need to read the 3 and 4th line of the file):

File Count Reg Date
S25E3N41 206000 22 mar 2007
S25E3N17 0 20 oct 2007

Any ideas how I would go about doing this?
# 2  
Old 10-21-2007
You can do something like that with awk :
awk '
   function summary() {
      if (filename) print filename, number+0, date;
      filename = number = date = "";
   BEGIN    { print "File", "Count", "Reg Date" }
   FILENAME != filename {
      filename = FILENAME;
   FNR == 3 { number = $0 }
   FNR == 4 { date   = $0 }
   END      { summary()   }

' S25E3N*

# 3  
Old 10-21-2007
if you have Python, here's an alternative:
import glob
o.write("File Count Reg Date\n")
for files in glob.glob("S25E3N*"):
    g[2]=g[2].strip() #strip newlines
    print >> o, files, ' '.join(g[2:4])

usage : # python
# 4  
Old 10-21-2007
Another one:
awk 'NR == 1{ printf m, "File" , "Count" , "Reg date" }
{ printf m, FILENAME, $3, $4 }
' RS= FS="\n" m="%-8s \t %s \t %s \n" S25E3N*

Use nawk or /usr/xpg4/bin/awk on Solaris.
# 5  
Old 10-21-2007

This one should be ok.


for fl in *
nawk -v f=$fl 'BEGIN{
if (NR==3 || NR==4)
	tmp=tmp"  "$0
print tmp
}' $fl  >> test_tmp

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