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Shell Programming and Scripting
Correct bash substitution
Post 302449149 by teresaejunior on Saturday 28th of August 2010 05:30:31 PM
08-28-2010
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I have this situation in my script (simplified):
A=C
C=10
I need to get number 10 using just A variable.
I tried with :
echo $`echo $A` - but i get $C string (i need number)
Thanks very much for any help! (1 Reply)
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################################################
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OK, I'm striving to abide by all the rules this time.
Here is a fragment of my windows10/cygwin64/bash script:
export BUPLOG=$(BackupRecords --log "$src")
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OK, I'm striving to abide by all the rules this time.
Here is a fragment of my windows10/cygwin64/bash script:
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Discussion started by: siegfried
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LEARN ABOUT DEBIAN
foo2slx
foo2slx(1) General Commands Manual foo2slx(1) NAME
foo2slx - Convert Ghostscript pbmraw or bitcmyk format into a SLX printer stream SYNOPSIS
foo2slx [options] <pbmraw-file >slx-file foo2slx [options] <bitcmyk-file >slx-file foo2slx [options] <pksmraw-file >slx-file DESCRIPTION
foo2slx converts Ghostscript pbmraw, bitcmyk, or pksmraw output formats to monochrome or color SLX streams, for driving the Lexmark C500 network color laser printer and other SLZ-based printers. The SLX stream is a variant of ZjStream produced by Software Imaging K.K. COMMAND LINE OPTIONS
Normal Options These are the options used to select the parameters of a print job that are usually controlled on a per job basis. -c Force color mode if autodetect doesn't work. -g xpixxypix Set page dimensions in pixels [10200x6600]. -m media Media code to send to printer [0]. ----------------------- Media SLX ----------------------- plain 0 transparency 1 labels 2 thick1 3 envelope1 4 thin 5 thick2 6 envelope2 7 middle 8 special 9 -p paper Paper code to send to printer [6]. +---------------+-------------+ | 6 letter | 2 A4 | | 9 legal | 4 B5 | | 8 executive | 5 B5iso | |10 env #10 | 11 env DL | +---------------+-------------+ -n copies Number of copies [1]. -r xresxyres Set device resolution in pixels/inch [1200x600]. -s source Source (InputSlot) code to send to printer [0]. |0 auto | 1 cassette1 Printer Tweaking Options These are the options used to customize the operation of foo2slx for a particular printer. -u xoffxyoff Set the offset of the start of the printable region from the upper left corner, in pixels [0x0]. -l xoffxyoff Set the offset of the end of the printable region from the lower right corner, in pixels [0x0]. -L mask Send logical clipping amounts implied by -u/-l in the ZjStream [3]. 0 don't send any logical clipping amounts 1 only send Y clipping amount 2 only send X clipping amount 3 send both X and Y clipping amounts -A AllIsBlack: convert C=1,M=1,Y=1 to just K=1. Works with bitcmyk input only. -B BlackClears: K=1 forces C,M,Y to 0. Works with bitcmyk input only. Debugging Options These options are used for debugging foo2slx. -S plane Output just a single color plane from a color print and print it on the black plane. The default is to output all color planes. 1 Cyan 2 Magenta 3 Yellow 4 Black -D level Set Debug level [0]. EXAMPLES
Create a black and white SLX stream: gs -q -dBATCH -dSAFER -dQUIET -dNOPAUSE -sPAPERSIZE=letter -r1200x600 -sDEVICE=pbmraw -sOutputFile=- - < testpage.ps | foo2slx -r1200x600 -g10200x6600 -p1 >testpage.zm Create a color SLX stream: gs -q -dBATCH -dSAFER -dQUIET -dNOPAUSE -sPAPERSIZE=letter -g10200x6600 -r1200x600 -sDEVICE=bitcmyk -sOutputFile=- - < testpage.ps | foo2slx -r1200x600 -g10200x6600 -p1 >testpage.zc FILES
/usr/bin/foo2slx SEE ALSO
foo2slx-wrapper(1), slxdecode(1) AUTHOR
Rick Richardson <rick.richardson@comcast.net> http://foo2slx.rkkda.com/