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center — position string at center
detab — replace tabs by blanks
display — display co-expression variables
entab — replace blanks by tabs
image — produce string image
left — position string at left
right — position string at right

Index of Function Types:
affects &pos
character sets
co-expressions
control structures
file processing
generators
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keywords
lists, sets and tables
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pattern matching
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Index of Subsystems:
base
digitcnt.icn
SNOBOL4 functions
 
display co-expression variables
 
Description

n display(i, f)
display(i, f) writes the image of the current co-expression and the values of the local variables in the current procedure call. If i is greater than 0, the local variables in the i preceding procedure calls are displayed as well. After all local variables are displayed, the values of global variables are displayed. Output is written to f.
 
Parameters
i
number of procedure call levels to display
f
output file to display results
returns
&null
 
Defaults
i
&level
f
&errout
 
Errors
101 i not an integer
105 f is not a file
205 i0
213 f is not open for writing