cut filename extension Post: 302440852

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filename extension check - regular expression

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[BASH] Getting a filename its extension

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gpiv_process-chain

GPIV_PROCESS-CHAIN(1)					      General Commands Manual					     GPIV_PROCESS-CHAIN(1)

NAME

       gpiv_process-chain - Processes a pipe of Gpiv-tool command's.

SYNOPSIS

       gpiv_process-chain  [-af  string]  [-h  |  -help] [-n | -none] [-c | -clean] [-fik] [-p | -print] [-pf -string] [-proc_*] [-t format] [-v |
       -version] filename

DESCRIPTION

       Gpiv_process-chain processes a pipe of gpiv commands. Image evaluation/interrogation with gpiv_rr is always included, image  recording  may
       be  prepended  before  interrogation,  validation  and post-processes may be appended to the chain. The filename represents the name of the
       image to be evaluated. The file naming conventions are idententic to the output of the individual Gpivtools programs: in  case  the  output
       are  (validated/scaled)	PIV data, the data will be directed to filename.piv, with -proc_vorty the output will be called filename.vor, with
       -proc_nstrain the output will be called filename.nstr and, finally, with with -proc_sstrain the output will be called filename.sstr.

       This program does not use the parameter resources from libgpiv.

Options
       -af string Append string to file-base name.

       -h | --help
	      On-line help.

       -n | --none
	      Suppresses real execution.

       -c | -clean
	      Cleans up: removes raw image data and header.

       -fik   Use fi-keyline for filtering gpiv parms from README.

       -p | --print
	      Prints parameters, command line options and input and output filenames to stdout.

       -pf string
	      Prepend string to file-base name.

       -proc_*
	      Defines processes to be included in the chain. * is substituted by: imgrec, valid, scale,  manipiv,  flipx,  flipy,  revert,  rot90,
	      rot180 and vorty or nstrain or sstrain. Vorty, nstrain and sstrain may not be used in combination with -t gpi.

       -t format
	      Image type or format: hdf (.hdf), dav (.IMG) or a type as defined by ImageMagic's convert. Default is raw binary image (.r).

       -v | --version
	      Prints version information to standard output, then exits successfully.

       filename
	      Input image filename. Format may be: .r, .hdf (hdf), .IMG (davis), .png, .gif, .tif or.bmp.

EXAMPLES

       invoking: 'gpiv_process-chain -proc_valid -proc_scale testfile.png' will actually perform: gpiv_rr < image.png | gpiv_errvec > testfile.piv

       invoking:  'gpiv_process-chain -proc_imgrec -proc_valid -proc_scale testfile.png' will do: gpiv_recimg | gpiv_rr | gpiv_errvec | gpiv_scale
       > testfile.piv

SEE ALSO

       gpivtools

AUTHOR

       Gerber Van der Graaf

								  19 Januari 2005					     GPIV_PROCESS-CHAIN(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

filename extension check - regular expression

Discussion started by: devs

2. Shell Programming and Scripting

separating filename and extension

Discussion started by: lucaspewkas

3. Shell Programming and Scripting

changing filename extension

Discussion started by: Hiso

4. UNIX for Dummies Questions & Answers

script takes the whole filename instead of just extension

Discussion started by: wolverine999