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Top Forums Shell Programming and Scripting Manipulating word based off of contents Post 302373149 by ryanfx on Thursday 19th of November 2009 01:47:58 PM
Old 11-19-2009
Question Manipulating word based off of contents

Hello everyone, my first post here, please feel free to inform me if my question can be better formatted so my future posts may be more clear.

I have a large text file which I need parsed in one specific way, I have done the rest of the processing, I am simply lacking the last aspect of such.

I need to look for lines in a file that begin with 'Key:' and of those lines that begin with key, delete all words in that line that do not contain the character '@', ignoring the first word (KeySmilie

So for example:


EDIT: Fixed example


before:
Code:
...
Key: hsfkfs,  sdf@fsdfsdfm,  sfsfdsdfk...334, tester@3, joe
Joe:  hp-0098, fhnjf@jhgsg,  shg@hjgppp
...

after:
Code:
...
Key:  sdf@fsdfsdfm, tester@3,
Joe:  hp-0098, fhnjf@jhgsg,  shg@hjgppp
...

I would prefer my solution be stream processing based (simply using an awk or sed command) instead of for-looping through the file, however I do not know if that is possible. I have explored possibilities with many tools but I am running out of ideas.

Any help is appreciated.

Last edited by ryanfx; 11-19-2009 at 03:23 PM..
 

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GPIV_HDF2PIV(1) 					      General Commands Manual						   GPIV_HDF2PIV(1)

NAME
gpiv_hdf2piv - Converts HDF5 PIV-data to ASCII data. SYNOPSIS
gpiv_hdf2piv [-e] [-h | --help] [-p | --print] [-v | --version] filename DESCRIPTION
gpiv_hdf2piv converts a HDF5 formatted file filename.hdf, containing PIV-data, PIV derived data, like vorticities, strain etc to (ASCII formatted) filename.piv., filename.vor, filename.sstr, filename.nstr and, eventually, image(s) to (PNG formatted) filename.png files. The parameters that have been used for the analysis and post processing are written to filename.par This program does not use the parameter resources from libgpiv. The parameters may be defined by the command line options as explained below. Options -e Exclude PIV data and data from post-processes. Only convert image data. -h | --help On-line help. -p | --print Prints parameters, command line options and input and output filenames to stdout. The output may be used as parameters of fasty for future use by re-directing stdout to fasty.par. -v | --version Print version information on standard output, then exits successfully. filename Full input file name, hdf formatted (including .hdf extension) SEE ALSO gpivtools AUTHOR
Gerber Van der Graaf 19 Januari 2005 GPIV_HDF2PIV(1)
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