Format your scripts with shfmt Post: 302981301

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Top Forums Shell Programming and Scripting Format your scripts with shfmt Post 302981301 by Corona688 on Friday 9th of September 2016 03:15:37 PM

09-09-2016

Registered User

It does not. Not even when I abuse it by chopping in the middle of a hex code.

Code:

#!/bin/sh

printf "%b" "\x52\x49\x46\x46\x24\x00\x01\x00\x57\x41\x56\x45\x66\x6d\x74\x20\x10\x00\x00\x00\x01\x00\x01\x00\x40\x1f\x00\x00\x40\x1f\x00\x00\x01\x00\x08\x00\x64\x61\x74\x61\x00\x00\x01\x00" > bin1

printf "%b" "\x52\x49\x46\x46\x24\x00\x01\x00\x57\x41\x56\x45\x66\x6d\x74\
\x20\x10\x00\x00\x00\x01\x00\x01\x00\x40\x1f\x00\x00\x40\x1f\x00\x00\x01\
\x00\x08\x00\x64\x61\x74\x61\x00\x00\x01\x00" > bin2

printf "%b" "\x52\x49\x46\x46\x24\x00\x01\x00\x57\x41\x56\x45\x66\x6d\x7\
4\x20\x10\x00\x00\x00\x01\x00\x01\x00\x40\x1f\x00\x00\x40\x1f\x00\x00\x01\
\x00\x08\x00\x64\x61\x74\x61\x00\x00\x01\x00" > bin3

diff bin1 bin2 || echo "bin1 and bin2 differ"
diff bin2 bin3 || echo "bin2 and bin3 differ"
diff bin1 bin3 || echo "bin1 and bin3 differ"

You used two backslashes, and in doing so, inserted a literal backslash, followed by a literal newline.

You're correct, though, how we feel about coding standards has nothing to do with his script. I apologize.

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LEARN ABOUT REDHAT

pidof

PIDOF(8)						Linux System Administrator's Manual						  PIDOF(8)

NAME

       pidof -- find the process ID of a running program.

SYNOPSIS

       pidof [-s] [-x] [-o omitpid] [-o omitpid..]  program [program..]

DESCRIPTION

       Pidof  finds  the  process  id's (pids) of the named programs. It prints those id's on the standard output. This program is on some systems
       used in run-level change scripts, especially when the system has a System-V like rc structure. In that case these scripts  are  located	in
       /etc/rc?.d, where ? is the runlevel. If the system has a start-stop-daemon (8) program that should be used instead.

OPTIONS

       -s     Single shot - this instructs the program to only return one pid.

       -x     Scripts too - this causes the program to also return process id's of shells running the named scripts.

       -o     Tells  pidof  to omit processes with that process id. The special pid %PPID can be used to name the parent process of the pidof pro-
	      gram, in other words the calling shell or shell script.

NOTES

       pidof is simply a (symbolic) link to the killall5 program, which should also be located in /sbin.

       When pidof is invoked with a full pathname to the program it should find the pid of, it is reasonably safe. Otherwise it is  possible  that
       it returns pids of running programs that happen to have the same name as the program you're after but are actually other programs.

SEE ALSO

       shutdown(8), init(8), halt(8), reboot(8)

AUTHOR

       Miquel van Smoorenburg, miquels@cistron.nl

								    01 Sep 1998 							  PIDOF(8)