Harbour All Function – L

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Trim()

Trim()

Remove trailing spaces from a string.

Syntax

      Trim( <cExpression> )   --> cString

Arguments

<cExpression> Any character expression

Returns

<cString> A formatted string with out any blank spaced.

Description

This function returns the value of <cString> with any trailing blank removed.

This function is identical to RTrim() and the opposite of LTrim(). Together with LTrim(), this function equated to the AllTrim() function.

Note : Characters with ASCII code 9, 10 and 13 always treated as “white spaces”.

Examples

      ? Trim( "HELLO" )     //  "HELLO"
      ? Trim( "" )          //   ""
      ? Trim( "UA   " )     //   "UA"
      ? Trim( "   UA" )     //   "   UA"

Compliance

Clipper

Platforms

All

Files

Library is core

Seealso

RTrim(), LTrim(), AllTrim()

RTrim()

RTRIM()

Remove trailing spaces from a string.

Syntax

      RTRIM( <cExpression> ) --> cString

Arguments

<cExpression> Any character expression

Returns

<cString> A formatted string with out any blank spaced.

Description

This function returns the value of <cString> with any trailing blank removed.

This function is identical to RTRIM() and the opposite of LTRIM(). Together with LTRIM(), this function equated to the ALLTRIM() function.

Note : Characters with ASCII code 9, 10 and 13 always treated as “white spaces”.

Examples

      ? RTRIM( "HELLO" )              //  "HELLO"
      ? RTRIM( "" )                   //  ""
      ? RTRIM( "UA   " )              //  "UA"
      ? RTRIM( "   UA" )              //  "   UA"

Tests

      See Examples

Compliance

Clipper

Platforms

All

Files

Library is rtl

Seealso

ALLTRIM(), LTRIM(), TRIM()

Len()

LEN()

Returns size of a string or size of an array.

Syntax

      LEN( <cString> | <aArray> ) --> <nLength>

Arguments

<acString> is a character string or the array to check.

Returns

The length of the string or the number of elements that contains an array.

Description

This function returns the string length or the size of an array or the size of a hash table. If it is used with a multidimensional array it returns the size of the first dimension.

Examples

      ? LEN( "Harbour" )           // 7
      ? LEN( { "One", "Two" } )    // 2

Tests

      PROCEDURE Test()
         LOCAL cName := ""
         ACCEPT "Enter your name: " TO cName
         ? LEN( cName )
         RETURN

Compliance

Clipper

Files

Library is rtl

Seealso

EMPTY(), RTRIM(), LTRIM(), AADD(), ASIZE()

AllTrim()

ALLTRIM()

Removes leading and trailing blank spaces from a string

Syntax

      ALLTRIM( <cString> ) --> cExpression

Arguments

<cString> Any character string

Returns

<cExpression> An string will all blank spaces removed from <cString>

Description

This function returns the string <cExpression> will all leading and trailing blank spaces removed.

Note : Characters with ASCII code 9, 10 and 13 always treated as “white spaces”.

Examples

      ? ALLTRIM( "HELLO HARBOUR" )
      ? ALLTRIM( "     HELLO HARBOUR" )
      ? ALLTRIM( "HELLO HARBOUR     " )
      ? ALLTRIM( "     HELLO HARBOUR     " )

Compliance

Clipper

Platforms

All

Files

Library is rtl

Seealso

LTRIM(), RTRIM(), TRIM()

SP_LJUST

LJUST()

  Short:
  ------
  LJUST() Left justifies a string

  Returns:
  --------
  <cJustified> => string left justified

  Syntax:
  -------
  LJUST(cTarget)

  Description:
  ------------
  Left justifies <cTarget>

  Examples:
  ---------
   string = "      Superfunction"

   string = LJUST(string)

   // (returns "Superfunction    "

  Source:
  -------
  S_LJUST.PRG