Siemens SINUMERIK 840DE sl Commissioning Manual page 825
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Also See for SINUMERIK 840DE sl:
- Function manual (356 pages) ,
- Commissioning manual (184 pages) ,
- Manual (92 pages)
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Function name
String to compare without making a distinction be‐
tween uppercase/lowercase
String left
Easy XML
Programming Manual, 12/2017, 6FC5397-1DP40-6BA1
Description
Two strings are compared from a lexicographical perspective (the
comparison is not case-sensitive).
The function gives a return value of zero if the strings are the same, a
value less than zero if the first string is smaller than the second string
or a value greater than zero if the second string is smaller then the first
string.
Parameter:
str1 - string
str2 - comparison string
Syntax:
<function name="string.icmp" return ="<int var>" >
str1, str2 </function>
Example:
<let name="rval">0</let>
<let name="str1" type="string">A brown bear hunts a
brown dog.</let>
<let name="str2" type="string">A brown Bear hunts a
brown Dog.</let>
<function name="string.icmp" return="rval"> str1,
str2 </function>
Result:
rval= 0
The function extracts the first nCount character from string 1 and cop‐
ies this to the return variable.
Parameter:
str1 - string
nCount - number of characters
Syntax:
<function name="string.left" return="<result
string>"> str1,
nCount </function>
Example:
<let name="str1" type="string">A brown bear hunts a
brown dog.</let>
<let name="str2" type="string"></let>
<function name="string.left" return="str2"> str1,
12 </function>
Result:
str2="A brown bear"
Generating user dialogs
1.10 Predefined functions
107
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