MacOS – ‘ls’ command not working on mac OS Catalina

bashcommand linemacosterminal

Ever since updating my mac to OS Catalina I have noticed quite a few changes were made to the terminal.

Upon opening the terminal there is always the entry:

The default interactive shell is now zsh.
To update your account to use zsh, please run `chsh -s /bin/zsh`.
For more details, please visit https://support.apple.com/kb/HT208050.

I've noticed that when using ls, instead of listing the items within the current directory, it activated ghostscript. In a flurry of frustration I uninstalled ghostscript using the opensource script from https://gist.github.com/gwerbin/dcba755b0484423e9e45.

Now when I run ls, I get the following output:

GPL Ghostscript 9.16: Can't find initialization file gs_init.ps.

How do I repair things, so that I can get ls or at least have a new command dir that lists the directory?

Best Answer

If you do not want to change your shell from bash to zsh, then add this to your .bashrc file:

export BASH_SILENCE_DEPRECATION_WARNING=1

To edit this you can use this command:

nano ~/.bashrc

While you are editing your .bashrc file, look for aliases or functions which redefined ls use Ghostscript.

Try which -a ls in Terminal.app to show you what ls is currently defined as, and what other ls commands are available.

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MacOS – Dia command line not working

On the Mac, dia (specifically /Applications/Dia.app/Content/Resources/bin/dia) is just a shell script wrapper to the compiled dia-bin binary. It sets a number of environmental variables, and then finishes by executing Dia as a GUI:

exec "$CWD/dia-bin" --integrated

You can make a copy (e.g. cp -p dia dia-cmd) and edit that last line in dia-cmd to become:

"$CWD/dia-bin" $@

and then you can use it as dia-cmd within the terminal.

Note: I found that for my locale (en_US.UTF-8), at least, running dia-cmd in the terminal was way too chatty about trying to determine the correct locale, spewing ignorable warnings:

Warning: AppleCollationOrder setting not found, using AppleLocale.
Setting Language: en.UTF8

(process:33043): Gdk-WARNING **: locale not supported by C library

(process:33043): Gtk-WARNING **: Locale not supported by C library.
    Using the fallback 'C' locale.

You can eliminate that by also commenting-out those lines in dia-cmd, and manually forcing the correct locale:

## LANGSTR=`defaults read .GlobalPreferences AppleCollationOrder 2>/dev/null`
## if [ "x$LANGSTR" == "x" ]
## then
##    echo "Warning: AppleCollationOrder setting not found, using AppleLocale." 1>&2
##    LANGSTR=`defaults read .GlobalPreferences AppleLocale 2>/dev/null | \
##            sed 's/_.*//'`
## fi

# NOTE: Have to add ".UTF-8" to the LANG since omitting causes Dia
#       to crash on startup in locale_from_utf8().
## export LANG="$LANGSTR.UTF8"
 export LANG="en_US.UTF-8"
## echo "Setting Language: $LANG" 1>&2

Voila:

MYMACHINE:~ lars$ /Applications/Dia.app/Contents/Resources/bin/dia-cmd -v
Dia version 0.97.2, compiled 18:51:13 Mar 17 2012

Command not found for shell script

Do you have a ~/.bash_profile? If so, then that will be preferred over the ~/.profile startup script. Next, verify the setting of your path (echo $PATH). Also (and this may be a dumb question) are you actually logged in as GuardDog_02? In other words, is ~ identical to /Users/GuardDog_02?

Best Answer

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MacOS – Dia command line not working

Command not found for shell script

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