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Top Forums UNIX for Dummies Questions & Answers How to stop debug in the mid of process? Post 302871897 by rbatte1 on Thursday 7th of November 2013 08:24:46 AM
Old 11-07-2013
ken6503

An excellent hint to step through scripts. I shall deploy it in scripts something like this:-
Code:
#!/bin/ksh
# Comments....
#

if [ ! -z "$DEBUGSTEP" ]
then
   set -x
   trap "read" DEBUG
fi
echo 1
echo 2
echo 3

In normal use, DEBUGSTEP will be null and therefore no action is taken, but when required I can step through a script and debug without updating the production script or any calling script.


Marvellous!


Thanks again,
Robin
 

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SMFPLAY(1)						    BSD General Commands Manual 						SMFPLAY(1)

NAME
smfplay -- play a standard MIDI file SYNOPSIS
smfplay [-mxy] [-g measure] [-d devname] [-i devname] midifile DESCRIPTION
The smfplay utility plays a MIDI file. While playing, it can route events from one midi(4) device to another. To stop performance, send an interrupt signal to smfplay (for instance by pressing control ^C on the terminal). The options are as follows: -m Use metronome. The metronome will follow tempo changes and time signature changes in the midi file. -x Synchronise to an external midi(4) device. If the -i flag is used then playback will be synchronised to the input device else it will be synchronised to the default device. -y Send midi timing information to the default device. Useful if the output device is a slave MIDI sequencer. -g measure Start playback at the given measure number. -d filename Default midi(4) device on which to play the midi file. If not specified, the content of the MIDIDEV environment variable will be used instead. -i filename Alternate input midi(4) device. Voice events (notes, controllers, etc) received on the input device will be sent as-is to the default device. Without this flag, the default device will be used for input. The smfplay utility is an interface to midish(1). If more specific features are needed, the user may consider using midish(1). EXAMPLES
The following will play mysong.mid on device /dev/rmidi4 and will use metronome. $ smfplay -m -d /dev/rmidi4 mysong.mid SEE ALSO
smfrec(1), midish(1), midiplay(1), midi(4) BSD
August 22, 2005 BSD
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