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UNIX for Dummies Questions & Answers
How to copy set of lines n times?
Post 302764949 by nsuresh316 on Friday 1st of February 2013 07:07:43 AM
02-01-2013
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Okay, not sure if it can be done, I would think it could be done and I'm just having a hard time with it.
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Hi,
Found lots of stuff that is close but no cigar...
I have a file ie. a.txt, and I want to copy it to another directory 5000 times and call it:
a1.txt
a2.txt
...
a5000.txt
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Hello,
I wonder if it my problem can be solved. Inside File1.txt, there are 3 columns. Inside File 2.txt, contain certain variable(in this case, only "3"). So I want to : (copy File 1 x Variable in File 2). Expected result are File 3.txt.
Any help are really appreciated.
File 1.txt
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hey guys,
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Say I have a file to be replaced that has the following:
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TESTING
AAA
BBB
CCC
DDD
EEE
FFF
GGG
HHH
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Dears
i want to extract lines only that have first entry repeated 3 times or above , ex data :
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Remove duplicate lines which has been repeated 4 times attached test.txt
below command tried and not getting expect output.
for i in `cat test.txt | uniq`
do
num=`cat test.txt | grep $i | wc -l`
echo $i $num
done
test.txt
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LEARN ABOUT ULTRIX
uncompact
compact(1) General Commands Manual compact(1) Name compact, uncompact, ccat - compress and uncompress files, and cat them Syntax compact [name...] uncompact [name...] ccat [file...] Description The command compresses the named files using an adaptive Huffman code. If no file names are given, the standard input is compacted to the standard output. The command operates as an on-line algorithm. Each time a byte is read, it is encoded immediately according to the cur- rent prefix code. This code is an optimal Huffman code for the set of frequencies seen so far. It is unnecessary to prepend a decoding tree to the compressed file since the encoder and the decoder start in the same state and stay synchronized. Furthermore, and can operate as filters. In particular, ... | compact | uncompact | ... operates as a (very slow) no-op. When an argument file is given, it is compacted and the resulting file is placed in file.C; file is unlinked. The first two bytes of the compacted file code the fact that the file is compacted. This code is used to prohibit recompaction. The amount of compression to be expected depends on the type of file being compressed. Typical values of compression are: Text (38%), Pas- cal Source (43%), C Source (36%) and Binary (19%). These values are the percentages of file bytes reduced. The command restores the original file from a file compressed by If no file names are given, the standard input is uncompacted to the stan- dard output. The command cats the original file from a file compressed by without uncompressing the file. The command is present only for compatibility. In general, the command runs faster and gives better compression. Restrictions The last segment of the file name must contain fewer than thirteen characters to allow space for the appended '.C'. Files compacted file created by compact, removed by uncompact See Also compress(1) compact(1)