dirname is a very simple but useful Unix command which is used mostly in shell scripting. Taking a full path to a file as a parameter, it then stips the filename off and returns you just the directory name.
How to use dirname command
This is how dirname is invoked:
ubuntu$ dirname /etc/network/if-down.d/postfix /etc/network/if-down.d
dirname in shell scripting
The obvious use of dirname command is shown below. This script, based on the full path to a file, prints the parent directory name and a list of all the files in this directory:
#!/bin/bash FILE=$1 DIR=`dirname $FILE` FILES=`ls $DIR` echo "Filename specified: $FILE" echo "Parent directory: $DIR" for f in $FILES; do echo "- $f" done