Initializing help system before first use

strfmt

Purpose
Create a formatted string from a string or a number.
Synopsis
function strfmt(str:string,len:integer):string
function strfmt(i:integer, len:integer):string
function strfmt(r:real, len:integer):string
function strfmt(r:real, len:integer, dec:integer):string
Arguments
str 
String to be formatted
i 
Integer to be formatted
r 
Real to be formatted
len 
Reserved length (may be exceeded if given string is longer, in this case the string is always left justified).
<0 
Left justified within reserved space
>0 
Right justified within reserved space
0 
Use defaults
dec 
Number of digits after the decimal point
Return value
Formatted string.
Example
The following: 
writeln("text1", strfmt("text2",8), "text3")
writeln("text1", strfmt("text2",-8), "text3")
r:=789.123456
writeln(strfmt(r,0)," ", strfmt(r,4,2), strfmt(r,8,0))
produces this output: 
text1     text2text3
text1text2     text3
789.123 789.12        789
Further information
1. This function creates a formatted string from a string or an integer or real number. It can be used at any place where strings may be used. Its most likely use is for generating printed output (in combination with write and writeln).
2. If the resulting string is longer than the reserved space it is not cut but printed in its entirety, overflowing the reserved space to the right.
Related topics
write, writeln.

Parent Topic Predefined functions and procedures

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