12-08-2011
bash logging al $() command lines
I have been doing a lot more bash on LINUX RedHat and Ubuntu lately, and one thing keeps cropping up intermittently. If I do a $( some-commands ) Command Substitution, the some-commands are logged onto my screen each time they are evaluated. Did I turn on some odd option? It seems to happen just some times.
Last edited by DGPickett; 12-08-2011 at 03:18 PM..
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HPSET(1) LOCAL HPSET(1)
NAME
hpset -- printer commands
SYNOPSIS
hpset [-hco] [commands ...]
DESCRIPTION
hpset is used to send commands to a printer. These commands are synonyms for ESC Codes based on the PCL standard from Hewlet Packard.
Options
-c redirect output to stdout
-oname redirect output into the specified file or device redirect
-h prints a help message
Commands
back Puts every setting back to the printer defaults.
test Starts the self test.
out If paper is inside the printer it will be thrown out.
cr activates the linefeed
lbon acivates the linebreak.
leftright
forces the printer to print only from left to right.
rightleft
forces the printer to print only from right to left.
bidirect
forces the printer in both ways.
execoff
The following commands are not executed but printed.
execon The following commands are executed.
nice High quality printing.
econo Enables fast and economic printing.
landscape
Printing in landscape format.
portrait
Printing in portrait format.
lpinum Sets the lines per inch. For num use 6 or 8.
The following commands must be sent in the given order and sequence. The sequence looks like,
hpset [characterset] [characterdistance] [character density]
[point size] [type position] [line strength] [type]
-Characterset
english ISO 4
ansi ANSI ASCII ISO 6
sweden ISO 10
italian ISO 15
spain ISO 17
german ISO 21
france ISO 69
-Characterdistance
prop Proportional
fix Fixed
If you've chosen proportional you don't have to set the character density.
-Characterdensity
cpi# # is one of 5,6,10,12,16,16.67,20,24
-Pointsize
point# # is one of 4.75,5,6,7,8,9.5,10,12,14,19,24
-Typeposition
italic
upright
-Linestrength
bold
normal
-Type
courier
times
gothic
univers
Notice that not every combination of the commands above is possible. Refer
to the manual of HPSET where you can find a table with allowed combinations.
SEE ALSO
lpr(1), lpd(1),
BUGS
report them to michael.janson@stud.uni-karlsruhe.de
LINUX
April 27, 1997 LINUX