Bash shell scripting doubt Post: 302542338

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I do not know shell scripting. But at work place, I have got an in and out shell scripting task. I just need to understand a very big script. Is there any tool in which I can place the script and it can tell me the meaning of the whole script?

LEARN ABOUT SUSE

pfsoutffmpeg

pfsoutffmpeg(1) 					      General Commands Manual						   pfsoutffmpeg(1)

NAME

       pfsoutffmpeg - Read pfs frames from stdin and forward them to ffmpeg program

SYNOPSIS

       pfsoutffmpeg [--help] <ffmpeg options> output_file

DESCRIPTION

       This command is a wrapper for ffmpeg program and can be used to write pfs frames to a compressed video.

       Check the examples section to for sample usage and see manual of ffmpeg for further information.

       Note  that  the	usage  of '-f' switch (input format specifier) and '-i' switch (input file specifier) of the ffmpeg program is implemented
       inside the script and is therefore not allowed.

EXAMPLES

       pfsinrgbe frame%04d.hdr --frames 100:2:200 | pfstmo_reinhard02 -s
	      | pfsgamma -g 1.7 | pfsoutffmpeg -qscale 4 test.avi

	      1. Read HDR frames in RGBE format with the following names:
		 frame0100.hdr, frame0102.hdr, frame0104.hdr,... frame0200.hdr

	      2. Apply local tone mapping operator to each frame (Reinhard2002
		 model, part of the PFSTMO package)

	      3. Apply gamma correction to each tone mapped frame

	      4. Compress frames to test.avi animation

SEE ALSO

       ffmpeg(1) pfsin(1) pfstmo_reinhard02(1) pfsgamma(1)

BUGS

       Frames smaller than 512x384 can cause broken pipe error, due to bug in ppm pipe reading routine in ffmpeg.

       Please report bugs and comments to Rafal Mantiuk <mantiuk@mpi-sb.mpg.de> or Grzegorz Krawczyk <krawczyk@mpi-sb.mpg.de>.

																   pfsoutffmpeg(1)

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