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I have a script in home/me/bin with an alias in my .bashrc which reads a file xs.txt also in home/me/bin. I want the script to count the lines of the contents of xs.txt; however, if I run my alias from another folder --- say, Desktop --- xs.txt is not found:

num_comps=$(wc -l < xs.txt)

With the error message:

home/me/bin/upper: line 20: xs.txt: No such file or directory.
sed: can't read xs.txt: No such file or directory

How can I format this line so that no matter which cwd I am in, I can always read from xs.txt?

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Found an answer with post https://stackoverflow.com/questions/32200811/bash-read-from-file-in-the-same-directory-as-the-script-file

What I forgot was that a new shell session was called from cwd, so I had to cd into where xs.txt was located. A simple:

TARGET = /home/me/bin
cd $TARGET

And the script works right as rain.

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    Note that assignments in shell scripts can not have spaces around the =. Your code, as currently written, would likely fail with a "command not found" error.
    – Kusalananda
    Dec 29 '20 at 7:09

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