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.help show Feb86 language
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NAME
show -- show the current value of an IRAF environment variable
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USAGE
show [varname]
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PARAMETERS
.ls varname
The name of the environment variable to be displayed.
.le
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DESCRIPTION
The \fIshow\fR command shows the current values of all defined environment
variables if called with no arguments, or the value of a specific variable
if an argument is given. Unlike \fIset\fR, only current values are shown,
not the entire history of the definitions of environment variables.
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EXAMPLES
1. Show the current default printer device.
cl> show printer
2. Show all "std" (standard i/o stream) related variables.
cl> show | match std
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SEE ALSO
set
.endhelp
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