AbbrPath abbreviates path beginning of home directory to ~.

CalcSizeCount calculates files total size and count, excluding themself of directories and links.

ExpandPath expands path beginning of ~ to the home directory.

FormatSize returns formated to SI prefix unit.

Quote encloses string double quotes and escapes by backslash if this string contains double quotes.

RemoveExt removes extension from the name.

SearchCommands returns map with key is command name in $PATH.

ShortenPath returns a shorten path to be shorter than width.

SplitWithSep splits string with separator.