Tcl

Convert String to GSM 03.38

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Demonstrates how to convert a string to the GSM character set. For more information about the GSM character set, see GSM Character Set

Note: This example requires Chilkat v9.5.0.79 or greater. Support for the GSM character set was added in v9.5.0.79.

Tcl

load ./chilkat.dll

set success 0

# Demonstrates how to convert a string to the GSM character set byte representation.

set s "support@chilkatsoft.com, {abc}"

# In the above string the a-z letters have the same 1-byte values in the GSM character set.
# The '@' character is the 0x00 byte in GSM.
# The curly brace chars are 2-bytes each in GSM -- each beginning with the 0x1B escape char.
# The '.', ' ', and ',' are the same in GSM as us-ascii.

# Let's convert to GSM.

# bdGsm will contain the GSM bytes.
set bdGsm [new_CkBinData]

# Append the string to bdGsm.  The 2nd arg "gsm" tells AppendString to
# convert the incoming string to the gsm byte representation.
set success [CkBinData_AppendString $bdGsm $s "gsm"]

# Let's examine what we have in hex:
puts [CkBinData_getEncoded $bdGsm hex]

# The result is:  737570706F7274006368696C6B6174736F66742E636F6D2C201B286162631B29

# Save the GSM bytes to a file.
set success [CkBinData_WriteFile $bdGsm "qa_output/gsm.txt"]

delete_CkBinData $bdGsm