SYNOPSIS
text_strn:string(input:string,len:long,quoted:long)
ARGUMENTS
input
- the string to escape
len
- maximum length of string to return (0 implies MAXSTRINGLEN)
quoted
- put double quotes around the string. If input string is truncated it will have "..." after the second quote
DESCRIPTION
This function accepts a string of designated length, and any ASCII characters that are not printable are replaced by the corresponding escape sequence in the returned string.