Shell scripting: Absolute path name of a file given as parameter
freebsd-questions at voidcaptain.com
Thu Apr 12 17:20:14 UTC 2007
Aitor San Juan wrote:
> I have developed a shell script that, among other things, shows the filename
> that was specified as a parameter.
> However, when I invoke the script and the file is located in the current working
> directory, it just shows: ./my_input_filename
> I'd like the script to show the full path name of the input file. I wonder
> whether there is or not an equivalent to %~f1 (Windows Batch file programming).
> This parameter extension expands parameter %1 ($1 in shell scripting jargon) to a
> Fully qualified path name.
man (1) realpath
echo The full path of the file name is $(realpath $1)
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