Unexpected "(" (expecting "}") Post: 303030754

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Top Forums Shell Programming and Scripting Unexpected "(" (expecting "}") Post 303030754 by Don Cragun on Friday 15th of February 2019 04:37:30 AM

02-15-2019

Registered User

Quote:

Originally Posted by ACorner

I fully understand why busybox is used on systems like JustEnoughOSes, after all that's the reason why I use LibreElec.
But it would be very helpfull if at least error messages would give a tiny hint that it's busybox that produces that error and not bash. It's not obvious that if you type an explicit command like /bin/bash that you end up in a "fake" version.
But that' another story.

I fully agree with you there. Note that if you were using a real bash, any diagnostic messages that it produces would include "bash:" at the start of the message. For example if I issue the command:

Code:

bash -c 'for i in *;do { cat "$i'

on macOS, I get two diagnostics:

Code:

bash: -c: line 0: unexpected EOF while looking for matching `"'
bash: -c: line 1: syntax error: unexpected end of file

each of which clearly indicates that the diagnostic came from bash (the first indicating that it is looking for a missing <double-quote> character and the second indicating that it is looking for a missing } and/or a missing done). This is why we asked you to be sure that you were showing us the exact, complete diagnostic messages you were getting when you reported the problem.

If the tools provided by busybox don't do that for you, you'll have a hard time trying to guess if the diagnostics you're seeing are coming from the shell or from one of the utilities invoked by the shell. This makes diagnosing problems in an environment like that much more difficult for you. I wish you luck.

Don Cragun

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LEARN ABOUT DEBIAN

pct-scanner-script

PCT-SCANNER-SCRIPT(1)					      General Commands Manual					     PCT-SCANNER-SCRIPT(1)

NAME

       pct-scanner-script - easy scan and create merged DjVu and PDF documents for archiving

SYNOPSIS

       pct-scanner-script [--help]

DESCRIPTION

       pct-scanner-script  is  a  bash script and configuration system to easily scan documents and create a digital archiving. It can create DjVu
       PDF and JPEG outputs, in merged and individual files. It also has a configuration system where different  configurations  can  be  defined,
       making it easy to switch between configurations.

       Please use pct-scanner-script --help to find all program options, the complete help, and all examples.

       Features:
	 - auto archiving in merged and individual DjVu, PDF, and JPEG files
	 - auto and manual resume when scanning somehow fails
	 - cascading configuration system, for easy customizing
	 - easy command-line-style bash program, with useful options
	 - archiving made possible with both adf and flatbed scanners
	 - built for productivity and daily use
	 - uses bash, scanadf and other mainstream processing tools
	 - multilanguage commandline output

OPTIONS

       -h, --help, -?
	      Show summary of options, help, and examples.

DEBUGGING

       This  program  is  a  helper  script  to easy scan and automated digital document archiving for normal and adf scanners. You can debug this
       script by running it as bash -x pct-scanner-script [options]. The script is just a nice wrapper for the scanadf, DjVu and PDF tools.

SEE ALSO

       scanadf(1),

AUTHOR

       pct-scanner-script and this manual page are written by:
	      Jelle de Jong <jelledejong@powercraft.nl>.

								  March 31, 2009					     PCT-SCANNER-SCRIPT(1)