append file name contents to a target file

gopskrish · #1 (**permalink**) 10-27-2006

Hi ,

I want to append the contents of many files (not knowing exactly how many files, i will get) in to one target file on a day today basis.
The file names are similar except last value (which is sequence number)

eg) file1_20061026_1
file1_20061026_2 etc.,

How can i read all the files one by one and append it to the target file.
I am very new to unix and it would be great if i get help from Unix Gurus.

Thanks in advance,
gops

pressy · #2 (**permalink**) 10-27-2006

could be something like this:

Code:

root@mp-wst01 # echo "1" > file1_20_1
root@mp-wst01 # echo "2" > file1_20_2
root@mp-wst01 # for x in file1_20_* ; do cat $x >> target; done
root@mp-wst01 # more target
1
2
root@mp-wst01 #

regards pressy

gopskrish · #3 (**permalink**) 10-27-2006

Thanks Pressy.

It worked.

Is it possible to assign the target file (in our example target) to some parameter file so that etl jobs can read the file name.

eg)
testparams (Parameter file name)
fromdate=
todate=
file_name=(here our target file name should appear)

Thanks in advance.
cheers,
gops

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