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  Help Page - input

( Some help pages may not display correctly in html because those help pages may have sample code
in them, part of which may be mis-interpreted as html tags.

All help pages, including this help page, are available in biterScripting with the help command. )




System Feature Input Stream Redirection Purpose Redirection of contents of input streams Syntax [h]< <file_name> | $<str_var_name> | { <inline_command> } | NULL Arguments <file_name> Name of a file from which input is to be read. It can be a name relative to the current directory, or full path name. <str_var_name> Name of a string variable from which input is to be read. The variable must be declared prior to its use. Also, the variable must of type str. <inline_command> The output of the inline command specifies the redirection target. NULL Input will be ignored. Description The input stream is replaced by contents of the redirection target before processing the current command. If an h (lower case letter h) is specified immediately before the < the incoming data is assumed to be in hexadecimal representation, and it will be converted to binary bytes before being processed by the command. Restrictions Redirection is not allowed in the following commands. function return end set if else endif while do done If redirection is specified on these commands, it will be ignored. If inline command is used for redirection, it must result in one (and only one) file name or variable name. Valid Examples repro < myfile.cpp Will reproduce the contents of myfile.cpp. var str fileList ... # compile a list of files into $fileList ... repro < { echo $fileList } Will reproduce the contents of file names stored in str variable $fileList. Invalid Examples if ($x <> <myfile.cpp) ... The above will produce an error or erroneous output because redirection can not be used within if. If the intention is to compare the value of variable $x with the contents of file myfile.cpp, use the following instead. if ($x <> { repro myfile.cpp } ) ... See Also stream inline output error

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