A collection of reusable pure POSIX sh functions with optional external utility calls.

Functions List:

• CCOUNT(): Count the times a character appears in a string
• CHAR_EVEN(): Test if the sum of a character in a string is even
• CONFIRM_CONT(): Ask for confirmation to continue
• COUNT_DDIRS(): Count hidden (.*) directories in a directory
• COUNT_DFILES(): Count hidden (.*) file objects in a directory
• COUNT_DIRS(): Count visible directories in a directory
• COUNT_DOBJ(): Count all hidden (.*) objects in a directory
• COUNT_FILES(): Count visible file objects in a directory
• COUNT_OBJ(): Count all visible objects in a directory
• ERR(): Print formatted text to stderr
• ERRF(): Print red-colored formatted text to stderr and exit
• ESC_SED(): Escape a string to be used literally as a POSIX sed pattern
• ESC_STR(): Backslash escape character(s) in a string
• FILE_PRELOAD(): Read a file raw
• FLINE(): Get a specific line in a file
• INFO(): Print formatted text
• MAP_FLINE(): Process each line of a file with a function
• MAP_PSEG(): Process all segments of a path with a function
• MAP_VLINE(): Process all populated lines of a variable (string) with a function
• MASK_CHECK(): Check a bit, the power of 2, in a pseudo-bitmask shell variable
• MASK_SET(): Set a bit, the power of 2, in a pseudo-bitmask shell variable
• MASK_UNSET(): Unset a bit, the power of 2, in a pseudo-bitmask shell variable
• NUM_TO_CHAR(): Convert N to that amount of a character
• PATH_SPEC(): Normalize a path into an assertable path specification
• REPLCHAR(): Replace a specific character with character(s) in a string
• SQ_ARG(): Get N single-quoted argument in a single-quote-escaped string
• SQ_ARG_EXTRACT(): Extract a single-quoted argument in a single-quote-escaped string