Forum Debian Users Gang

helpless() { $@ --help | less }

#!/bin/bash
function hl
{
$@ --help | less
}
hl

/root/bin/hl: line 4: --help: nie znaleziono polecenia

hl cp

[ -z "$ZMIENNA" ] && echo "nie ma"   ||  $ZMIENNA --help| more;

[ -z "$ZMIENNA" ] && echo "nie ma"   ||  $ZMIENNA --help| more;
nie ma

ZMIENNA=mplayer

[ -z "$ZMIENNA" ] && echo "nie ma"   ||  $ZMIENNA --help| more;
Usage:   mplayer [options] [url|path/]filename

Basic options: (complete list in the man page)
 -vo <drv>        select video output driver ('-vo help' for a list)
 -ao <drv>        select audio output driver ('-ao help' for a list)
 vcd://<trackno>  play (S)VCD (Super Video CD) track (raw device, no mount)
 dvd://<titleno>  play DVD title from device instead of plain file
 -alang/-slang    select DVD audio/subtitle language (by 2-char country code)
 -ss <position>   seek to given (seconds or hh:mm:ss) position
 -nosound         do not play sound
 -fs              fullscreen playback (or -vm, -zoom, details in the man page)
 -x <x> -y <y>    set display resolution (for use with -vm or -zoom)
 -sub <file>      specify subtitle file to use (also see -subfps, -subdelay)
 -playlist <file> specify playlist file
 -vid x -aid y    select video (x) and audio (y) stream to play
 -fps x -srate y  change video (x fps) and audio (y Hz) rate
 -pp <quality>    enable postprocessing filter (details in the man page)
 -framedrop       enable frame dropping (for slow machines)

Basic keys: (complete list in the man page, also check input.conf)
 <-  or  ->       seek backward/forward 10 seconds
 down or up       seek backward/forward  1 minute
 pgdown or pgup   seek backward/forward 10 minutes

#!/bin/bash
function helpless
{
$@ --help | less
}
helpless

(END)

#!/bin/bash
$@ --help | less