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Top Forums UNIX for Dummies Questions & Answers Calling on function from file?? Post 302228330 by era on Sunday 24th of August 2008 01:22:17 AM
Old 08-24-2008
As an aside, function is a Bashism. The POSIX way to declare a function is

Code:
func () { body of function; }

I care because it bit me when I switched shells (or rather, Ubuntu switched shells on me).
 

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GETUSERSHELL(3) 					   BSD Library Functions Manual 					   GETUSERSHELL(3)

NAME
getusershell, setusershell, endusershell -- get valid user shells LIBRARY
Standard C Library (libc, -lc) SYNOPSIS
#include <unistd.h> char * getusershell(void); void setusershell(void); void endusershell(void); DESCRIPTION
The getusershell() function returns a pointer to a valid user shell as defined by the system manager in the shells database as described in shells(5). If the shells database is not available, getusershell() behaves as if /bin/sh and /bin/csh were listed. The getusershell() function reads the next line (opening the file if necessary); setusershell() rewinds the file; endusershell() closes it. FILES
/etc/shells DIAGNOSTICS
The routine getusershell() returns a null pointer (0) on EOF. SEE ALSO
nsswitch.conf(5), shells(5) HISTORY
The getusershell() function appeared in 4.3BSD. BUGS
The getusershell() function leaves its result in an internal static object and returns a pointer to that object. Subsequent calls to getusershell() will modify the same object. BSD
January 16, 1999 BSD
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