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Operating Systems Solaris How to check the file existence using shell scripting in Solaris-10 Post 302147066 by fpmurphy on Saturday 24th of November 2007 10:49:45 AM
Old 11-24-2007
Your code does not work with the Bourne shell (/bin/sh) which is the default shell on most UNIX systems. This is the case for Solaris.

To maximize shell script portability, you should try and write all your shell scripts so that they work with the Bourne shell.

The following works:

Code:
if [ ! -d ./data ]
then
    mkdir data
fi

As an aside it is good practice to use fully qualified pathnames i.e. /usr/bin/mkdir instead of just mkdir.
 

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shells(4)							   File Formats 							 shells(4)

NAME
shells - shell database SYNOPSIS
/etc/shells DESCRIPTION
The shells file contains a list of the shells on the system. Applications use this file to determine whether a shell is valid. See getuser- shell(3C). For each shell a single line should be present, consisting of the shell's path, relative to root. A hash mark (#) indicates the beginning of a comment; subsequent characters up to the end of the line are not interpreted by the routines which search the file. Blank lines are also ignored. The following default shells are used by utilities: /bin/bash, /bin/csh, /bin/jsh, /bin/ksh, /bin/pfcsh, /bin/pfksh, /bin/pfsh, /bin/sh, /bin/tcsh, /bin/zsh, /sbin/jsh, /sbin/sh, /usr/bin/bash, /usr/bin/csh, /usr/bin/jsh, /usr/bin/ksh, /usr/bin/pfcsh, /usr/bin/pfksh, /usr/bin/pfsh, and /usr/bin/sh, /usr/bin/tcsh, /usr/bin/zsh. Note that /etc/shells overrides the default list. Invalid shells in /etc/shells may cause unexpected behavior (such as being unable to log in by way of ftp(1)). FILES
/etc/shells lists shells on system SEE ALSO
vipw(1B), ftpd(1M), sendmail(1M), getusershell(3C), aliases(4) SunOS 5.10 4 Jun 2001 shells(4)
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