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Read a REAL value from a string
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CHR_CTOI
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Read an INTEGER value from a string
CHR_CTOL
-
Read a LOGICAL value from a string
- Description:
-
The given string is decoded as a logical value. TRUE, T, YES,
Y and FALSE, F, NO, N are recognised, regardless of case. Other
strings result in STATUS being set to SAI__ERROR.
- Invocation:
-
CALL CHR_CTOL( STRING, LVALUE, STATUS )
- Arguments:
-
-
STRING = CHARACTER
(
) (Given)
-
The string from which a LOGICAL value is to be read.
-
LVALUE = LOGICAL (Returned)
-
The resulting LOGICAL value.
-
STATUS = INTEGER (Given and Returned)
-
The status value: if this value is not SAI__OK on input,
the routine returns without action; if the routine does
not complete successfully, STATUS is returned set to
SAI__ERROR.

Next:
CHR_CTOR
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Read a REAL value from a string
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CHR_CTOI
-
Read an INTEGER value from a string
CHR Character Handling Routines
Starlink User Note 40
A C Charles
P C T Rees
A J Chipperfield
2 August 1995
E-mail:ussc@star.rl.ac.uk