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lib_gnucompat.md

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55 lines (43 loc) · 1.14 KB
title lib_gnucompat – lib-bash
permalink /lib/lib_gnucompat/

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