the 3rd example works with dirname $0 as well.
In your 2nd example there is no script that is running. The commands in the script are read as though you typed them in from the terminal -- which means there is no "scriptname" to find the name of.
You could check if $0 is equal to a shell name and give an error, but source <command_list> isn't equivalent to calling a shell script.
Sorry don't have any better answers for #2... -linda
Arthur Schwarz wrote:
I'm trying to find the directory of an executing bash script and am having very limited success. For example(s):
1. <path>/script.sh 2. source <path>/script.sh 3. bash <path>/script.sh
I can find the correct <path> only for the first example (dirname $0). PWD (of course) only works when <path> == ./. The other two cases I can't seem to get to work. Any idea how to get the <path> in examples 2 and 3?
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