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Full Discussion: Ksh: How to get name of script when in same script
Top Forums UNIX for Beginners Questions & Answers Ksh: How to get name of script when in same script Post 303035422 by vgersh99 on Thursday 23rd of May 2019 03:31:13 PM
Old 05-23-2019
how about this approach [covering bash/ksh - might need to enhance it for other (zsh/sh/etc)]
Code:
#!/bin/ksh
#set -x

#echo "\$0 ->[${0}] \$# -> [${#}] \$_ -> [${_}] "
case "${0}" in
   -bash) thisFile="${BASH_ARGV[0]}"
          ;;
   *ksh) thisFile="${_}"
          ;;
   *)
      #thisFile="$(type -P ${0})"
      thisFile="$(whence ${0})"
      ;;
esac

echo "this file->[${thisFile}]"

This User Gave Thanks to vgersh99 For This Post:
Michael Fitz
 

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LEARN ABOUT SUNOS

setusershell

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/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/pfcsh
       /usr/bin/pfksh		  /usr/bin/pfsh
       /usr/bin/sh		  /usr/bin/tcsh
       /usr/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.

SunOS 5.10							    30 Aug 2004 						  getusershell(3C)
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