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Full Discussion: False positive grep?
Top Forums Shell Programming and Scripting False positive grep? Post 303045950 by sea on Sunday 19th of April 2020 06:22:36 AM
Old 04-19-2020
Thank you, I'll try to keep that present (2 & null) after reviewing current code.
What is this RHS you are refering to please?

Uhm, not really on the possible error topic - as I experienced it differently.
....
Phew... i still had that in the terminal so I could scroll to it...

Code:
# | 45) swarm.util.mkdir                                                                     46) swarm.util.which | #
# | > ^[[A/home/sea/prjs/SWARM/data/libs/util.enduser: Zeile 538: [[: [: Syntax Fehler: Operator erwartet. (Fehlerverursachendes Zeichen ist \"[\").
/home/sea/prjs/SWARM/data/libs/util.enduser: Zeile 561: [: [: Ganzzahliger Ausdruck erwartet.
/home/sea/prjs/SWARM/data/libs/util.enduser: Zeile 568: [: Syntax Fehler: Operator erwartet. (Fehlerverursachendes Zeichen ist \"[\").
/home/sea/prjs/SWARM/data/libs/util.enduser: Zeile 536: [[: [: Syntax Fehler: Operator erwartet. (Fehlerverursachendes Zeichen ist \"[\").

False positive grep?-swarm20-falsegrepjpg

This is with code of the 'initial' post/s ; where the 'catch' was different from the code we're talking about now (recent post with code).
This 'symbol' cannot be compared to a number, thus creating an 'expected' error message, which I wanted to get rid of -> as it breaks the visual experience.

Could you advice a better handling for this situation?
-> Catching arrow keys without showing the enduser an error message? <-
 

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caca-config(1)						      General Commands Manual						    caca-config(1)

NAME
caca-config - script to get information about the installed version of libcaca SYNOPSIS
caca-config [ --prefix= DIR] [ --exec-prefix= DIR] [ --version ] [ --libs ] [ --cflags ] DESCRIPTION
caca-config is a tool that is used to configure and determine the compiler and linker flags that should be used to compile and link progams, libraries, and plugins that use libcaca. The use of caca-config is deprecated. The more generic tool pkg-config should be used instead. OPTIONS
--cflags Print the compiler flags that are necessary to compile a program or library that uses libcaca. --exec-prefix=DIR If specified, use DIR instead of the installation exec prefix that libcaca was build with when computing the output for the --cflags and --libs options. This option must be specified before any of the --cflags and --libs options. --libs Print the linker flags that are necessary to link a program or library that uses libcaca. --prefix=DIR If specified, use PREFIX instead of the installation prefix that libcaca was built with when computing the output for the --cflags and --libs options. This option is also used for the exec prefix if --exec-prefix was not specified. This option must be specified before any of the --cflags and --libs options. --version Prints the currently installed version of libcaca on standard output. EXAMPLES
gcc -o main.o $(caca-config --cflags) -c main.c is how you might use caca-config to compile a C source file for an executable program. gcc -o my_app $(caca-config --libs) main.o util.o is how you might use caca-config to link compiled objects into an executable program. SEE ALSO
pkg-config(1) AUTHOR
The libcaca library was written by Sam Hocevar <sam@hocevar.net>. This manual page was written for sdl-config by Branden Robinson, originally for Progeny Linux Systems, Inc., and the Debian Project. It was adapted to libcaca by Sam Hocevar. libcaca 2003-11-22 caca-config(1)
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