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Help with printing the calling script filename

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Top Forums Shell Programming and Scripting Help with printing the calling script filename
# 1  
Old 08-10-2010
Tools Help with printing the calling script filename
Consider the following sample scripts.....

filename: f1
Code:
# Call f3
f3

filename: f2
Code:
# Call f3
f3

filename: f3
Code:
# f3
echo "$x called me"

*** Where "x" is the name of the script file that called function 3 (f1,f2, ...,fn).
*** I can pass it as a variable ($0, $BASH_SOURCE) from f1 & f2 scripts.
*** But i don't want to modify f1 & f2 (lot of files are using it !!!)

How can i modify f3 alone to make it print the name of the calling script file ?
# 2  
Old 08-10-2010
Something like
Code:
x=$(cat /proc/$PPID/cmdline)
echo "$x called me"

# 3  
Old 08-10-2010
Thanks for the response...

I am getting this output....
-sh called me

I am not root user. & the output is supposed to be....
"f1 called me" or "f2 called me" not "-sh called me"
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