Get main program directory location
#!/bin/bash
PROGRAM_DIR="$( cd "$( dirname "$0" )" && pwd)"
In case you have a program main.sh in
/opt/tmp which includes utils.sh from
/opt/tmp/dir1, then this code will return
/opt/tmp as directory.
Get file directory location
#!/bin/bash
CURRENT_FILE_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd)"In case you have a program main.sh in
/opt/tmp which includes utils.sh from
/opt/tmp/dir1, then this code will return
/opt/tmp/dir1 as directory. Note that BASH_SOURCE is an array containing file name of current file and parent files (first element being the current file name and so on).
