lib_gnucompat.sh

GNU-Tools Compatibility Layer:

This script provides compatibility functions for GNU tools on non-GNU systems, such as macOS.

Usage:

MY_PATH="$(realpath "${BASH_SOURCE[0]}")"
SCRIPT_DIR="$(dirname "${MY_PATH}")"
readonly MY_PATH
readonly SCRIPT_DIR
readonly LIB_BASH_DIR="${SCRIPT_DIR}/lib_bash"
source "${LIB_BASH_DIR}/lib_gnucompat.sh"

Tools Aliases

These functions will return the corresponding GNU-tool on non-GNU systems, if available. Such as gsed on macOS, which is the GNU version of sed.

• SED: GNU sed command
• AWK: GNU awk command
• GREP: GNU grep command
• FIND: GNU find command
• SORT: GNU sort command
• TAR: GNU tar command
• DATE: GNU date command
• XARGS: GNU xargs command
• CUT: GNU cut command
• HEAD: GNU head command
• TAIL: GNU tail command
• TR: GNU tr command
• UNIQ: GNU uniq command
• WC: GNU wc command
• DIFF: GNU diff command

Functions

is_gnu

Signal, if the given tool is a GNU tool.

Usage:

if ! is_gnu "sed"; then
echo "Not a GNU tool."
fi