Creating implementation for idiom 151 : Remove string trailing path separator

Idiom

# 151 Remove string trailing path separator

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Remove last character from string _p, if this character is the file path separator of current platform.

Note that this also transforms unix root path "/" into empty string!

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Other implementations

using System.IO;

p.TrimEnd(Path.DirectorySeparatorChar);

import std.string,
import std.path;

p = p.chomp(dirSeparator);

import "fmt"
import "os"
import "strings"

sep := fmt.Sprintf("%c", os.PathSeparator)
p = strings.TrimSuffix(p, sep)

Demo
Doc

import "fmt"
import "path/filepath"
import "strings"

sep := fmt.Sprintf("%c", filepath.Separator)
p = strings.TrimSuffix(p, sep)

Demo
Doc

if string.sub(p, -1, -1) == "/" then
	p=string.sub(p, 1, -2)
end

SysUtils

begin
  p := ExcludeTrailingPathDelimiter(p);
end.

LazFileUtils

begin
  p := ChompPathDelim(p);
end.

use File::Spec qw();

chomp $p, File::Spec->catdir('');

import os

if p.endswith(os.sep):
    p = p[:-1]

p.chomp!("/")

let p = if ::std::path::is_separator(p.chars().last().unwrap()) {
    &p[0..p.len()-1]
} else {
    p
};

let p = p.strip_suffix(std::path::is_separator);

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