From: Steven Baltakatei Sandoval Date: Wed, 17 Jul 2024 03:02:20 +0000 (+0000) Subject: feat(unitproc/bkt-get_path_fork_level):Add Bash function X-Git-Url: https://zdv2.bktei.com/gitweb/BK-2020-03.git/commitdiff_plain/670c5ae4201367f8ad4b6257e3a79cdef313a760?hp=ede080f66be6d19f701d1bffea26229fc9343e35 feat(unitproc/bkt-get_path_fork_level):Add Bash function --- diff --git a/unitproc/bkt-get_path_fork_level b/unitproc/bkt-get_path_fork_level new file mode 100755 index 0000000..521b42d --- /dev/null +++ b/unitproc/bkt-get_path_fork_level @@ -0,0 +1,74 @@ +#!/bin/bash + +get_path_fork_level() { + # Desc: Get fork level from two paths + # Input: arg1 str path + # arg2 str path + # Output: stdout int fork level + # Version: 0.0.1 + local path1="$1"; + local path2="$2"; + + # Squeeze multiple slashes and remove trailing slashes + path1="$(echo "$path1" | tr -s '/' | sed 's:/*$::' )"; + path2="$(echo "$path2" | tr -s '/' | sed 's:/*$::' )"; + + # Check for mixed absolute/relative paths + if [[ "$path1" =~ ^/ ]] && [[ "$path2" =~ ^/ ]]; then + flag_root=true; + # Remove initial / + path1="$(echo "$path1" | sed -e 's:^/::' )"; + path2="$(echo "$path2" | sed -e 's:^/::' )"; + elif [[ ! "$path1" =~ ^/ ]] && [[ ! "$path2" =~ ^/ ]]; then + flag_root=false; + else + declare -p path1 path2 flag_root; + echo "FATAL:Mixed relative and absolute paths not supported." 1>&2; + return 1; + fi; + + # Save path as arrays with `/` as element delimiter + local IFS='/'; + read -ra parts1 <<< "$path1"; + read -ra parts2 <<< "$path2"; + + # Get fork level by counting identical path elements from rootside + local fork_level=0; + for (( i=0; i<${#parts1[@]} && i<${#parts2[@]}; i++ )); do + if [[ "${parts1[i]}" != "${parts2[i]}" ]]; then break; fi; + ((fork_level++)); + done; + + echo "$fork_level"; + #declare -p path1 path2 flag_root parts1 parts2 fork_level; # debug + return 0; +}; # Get fork level int from two paths + +printf "========Test 1========\n"; # fork at 0 +p1="foo"; p2="bee"; declare -p p1 p2; +get_path_fork_level "$p1" "$p2"; +printf "========Test 2========\n"; # fork at 1 +p1="foo"; p2="foo/bar"; declare -p p1 p2; +get_path_fork_level "$p1" "$p2"; +printf "========Test 3========\n"; # fork at 1 +p1="foo"; p2="foo/bar/"; declare -p p1 p2; +get_path_fork_level "$p1" "$p2"; +printf "========Test 4========\n"; # fork at 2 +p1="foo/bar/baz"; p2="foo/bar"; declare -p p1 p2; +get_path_fork_level "$p1" "$p2"; +printf "========Test 5========\n"; # fork at 2 +p1="/foo/bar/baz"; p2="/foo/bar"; declare -p p1 p2; +get_path_fork_level "$p1" "$p2"; +printf "========Test 6========\n"; # ERROR: No mixed +p1="foo/bar/baz"; p2="/bee/boo/tax"; declare -p p1 p2; +get_path_fork_level "$p1" "$p2"; +printf "========Test 7========\n"; # fork at 0 +p1="/foo/bar/baz"; p2="/bee/boo/tax"; declare -p p1 p2; +get_path_fork_level "$p1" "$p2"; +printf "========Test 8========\n"; # # ERROR: No mixed +p1="/foo/bar/baz"; p2="foo"; declare -p p1 p2; +get_path_fork_level "$p1" "$p2"; +printf "========Test 9========\n"; # fork at 3 +p1="foo///////////bar////////baz//////"; p2="foo/////////bar/////////baz///bee"; declare -p p1 p2; +get_path_fork_level "$p1" "$p2"; +