Why is it that some bash programs will only run on my system when I type ./ before their name?
An example: In my [...]/android/sdk folders I have to execute adb like this:
./adb devices
Why not just adb devices?
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http://tldp.org/LDP/Bash-Beginners-Guide/html/sect_02_01.html – Ramesh Jul 02 '14 at 00:49
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1This has just got to be a dupe. – Faheem Mitha Jul 02 '14 at 01:12
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What is missing from many answers is that this is a relative path made out of a reference the current directory file (.) and the rest of the path from that point, in the context of pathname resolution. – Jul 02 '14 at 01:36
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If you run
echo $PATH
you will see a list of directories that your system will search for commands to run.
If you want to run commands in your current working directory, then you can run:
PATH=$PATH:.;export PATH
You can add this line to your ~/.bash_profile to have this behaviour persistent across sessions.
Warwick
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. is the symbol for your current directory. You have to include the / so it knows that it's not a . at the beginning of the file. If you navigate to a different directory and type the directory of the file, you don't have to have the ./
Johnyburd
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