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Top Forums UNIX for Dummies Questions & Answers Produce the number 2014 without any numbers in your source code... Post 302899632 by Scrutinizer on Wednesday 30th of April 2014 11:48:48 AM
Old 04-30-2014
Yes ! :;x=$? should work too Smilie. I agree the bash solution is impressive (in bash/ksh93/zsh) albeit it is 24 bytes long, not 17.. , so you have 7 more bytes to work with Smilie

--
Although that technically it is a tr solution, it just needs bash/ksh93 for the <<<. But then the one listed under dc (you know, the command that you execute when you mistype cd Smilie ) is even better:
Code:
dc<<<DiBBCp


Last edited by Scrutinizer; 04-30-2014 at 01:27 PM..
 

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getusershell(3C)					   Standard C Library Functions 					  getusershell(3C)

NAME
getusershell, setusershell, endusershell - get legal user shells SYNOPSIS
#include <unistd.h> char *getusershell(void); void setusershell(void); void endusershell(void); DESCRIPTION
The getusershell() function returns a pointer to a legal user shell as defined by the system manager in the file /etc/shells. If /etc/shells does not exist, the following locations of the standard system shells are used in its place: /bin/bash /bin/csh /bin/jsh /bin/ksh /bin/ksh93 /bin/pfcsh /bin/pfksh /bin/pfsh /bin/sh /bin/tcsh /bin/zsh /sbin/jsh /sbin/pfsh /sbin/sh /usr/bin/bash /usr/bin/csh /usr/bin/jsh /usr/bin/ksh /usr/bin/ksh93 /usr/bin/pfcsh /usr/bin/pfksh /usr/bin/pfsh /usr/bin/sh /usr/bin/tcsh /usr/bin/zsh /usr/sfw/bin/zsh /usr/xpg4/bin/sh The getusershell() function opens the file /etc/shells, if it exists, and returns the next entry in the list of shells. The setusershell() function rewinds the file or the list. The endusershell() function closes the file, frees any memory used by getusershell() and setusershell(), and rewinds the file /etc/shells. RETURN VALUES
The getusershell() function returns a null pointer on EOF. BUGS
All information is contained in memory that may be freed with a call to endusershell(), so it must be copied if it is to be saved. NOTES
Restricted shells should not be listed in /etc/shells. SunOS 5.11 1 Nov 2007 getusershell(3C)
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