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Determine FULL name of current script

 
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# 1  
Old 04-26-2010
Determine FULL name of current script
Hi everyone,

Is there a slick way to determine the FULL name of a script that is running?

The variable
Code:
${0}

just gives the relative path name.

I guess I could just do the following:

Code:
FULL_SCRIPT_NAME=${PWD}${0}

Although that's pretty simple is there another way that I am missing?

Thanks a lot.

Mike
# 2  
Old 04-26-2010
Code:
#!/bin/ksh

thisFile="$(whence ${0})"

# 3  
Old 04-26-2010
Hi vgersh99,

I meant to specify that I am using the bash shell. A quick web search seems to indicate that whence is a ksh function, and whence ls does not work on my system. Am I correct about that? Any other suggestions?
# 4  
Old 04-26-2010
If you're running bash, you may be on linux, and may thus have the general purpose command 'realpath'.
# 5  
Old 04-26-2010
Code:
#!/bin/bash
#set -x

progpath=$(
  progpath=$0
  case $0 in
    (*/*) ;; (*)
      [ -e "$progpath" ] || progpath=$(command -v -- "$progpath") || exit
  esac
  cd -P -- "$(dirname -- "$progpath")" && pwd -P || exit
) || exit
progpath=$progpath/$(basename "$0")
echo "${progpath}"

comp.unix.shell
 
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