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Top Forums UNIX for Dummies Questions & Answers Creating a one liner with wget, grep and mv Post 302337469 by figaro on Friday 24th of July 2009 08:01:46 AM
Old 07-24-2009
Creating a one liner with wget, grep and mv

I have the following simplified script, that consists of a download (wget), a grab of only the lines with a comma (grep) and a rename of the file to indicate its date of origin (mv):
Code:
wget http://www.example.com/datafile.csv
grep ',' datafile.csv
mv datafile.csv datafile.`date +"%Y%m%d%H%M%S"`.csv

However, what i really want to do is create a one liner, such that I am not dependent on file names, but simply treat the downloaded file as one object. Hence, I need something like this:
Code:
wget http://www.example.com/datafile.csv | grep ',' > datafile.`date +"%Y%m%d%H%M%S"`.csv

How do I create a one liner for this? Thanks in advance
 

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Xmark(1)						      General Commands Manual							  Xmark(1)

NAME
Xmark - summarize x11perf results SYNTAX
Xmark datafile DESCRIPTION
Xmark is a shell script that reads the indicated datafile and compiles a benchmark which it writes to standard output. It writes three numbers: A weighted performance number for the x11perf results. A weighted performance number for a standard SparcStation 1, with SunOS 4.1.2, X11R5 Xsun, and a CG3 dumb Color Frame Buffer. The Xmark, which is the ratio of the two numbers above. The datafile must be an ordinary file, produced by x11perf in the following way: x11perf -display display -v1.3 -rop GXcopy GXxor -all > datafile It is possible to run the GXcopy and GXxor tests separately, as long as they are concatenated to the same output file: x11perf -display display -v1.3 -rop GXcopy -all > datafile x11perf -display display -v1.3 -rop GXxor -all >> datafile or x11perf -display display -v1.3 -rop GXxor -all > datafile x11perf -display display -v1.3 -rop GXcopy -all >> datafile FILES
temp.$$ Temporary file created in the current directory, deleted after use. DIAGNOSTICS
Usage: Xmark datafile Xmark was invoked without arguments or with more than one argument, or with options. Xmark takes no options. Error: data file does not exist or is not ordinary. Xmark cannot find the datafile named on its command line, or the datafile is a special file such as a directory. WARNING: datafile contains nnn, not 441 or 447 'trep' results; The file named on the command line does not seem to be a file generated by x11perf in the expected way. Diagnostic: ERROR: sum of weights =nnn, not equal to 4566.0; There is an internal error in Xmark. SEE ALSO
X(7), x11perf(1), x11perfcomp(1) X Version 11 x11perf 1.5.4 Xmark(1)
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