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1990-05-02
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IncrCtr v1.0
------------
This program was thrown together in about 15 minutes after seeing the incr
program on Fish Disk 311. That program is probably a much better-written
program than this one. My main complaint with that program was the general
purpose of it and the way it went about doing it.
Purpose of IncrCtr
IncrCtr increments an ARP environment variable by one. ARP v39+ is required.
This program is desired to be used is AShell scripts, but may work under other
shells that use ARP or Manx environment variables.
Usage
IncrCtr foo
If foo has a numeric value, it will be increased by one. If "foo" has a
string value or is undefined, it will be assigned a value of one.
Example
An Ashell script composed of:
foo=5
IncrCtr foo
echo $foo
IncrCtr foo
echo $foo
foo=bar
IncrCtr foo
echo $foo
when executed, will produce:
6
7
1
Questions, comments, suggestions, bugs, flames to:
fvest@ducvax.auburn.edu
fvest@auducvax.bitnet
+1 205 745 3989 (c/o comments to sysop)
P.O.Box 2403 Auburn, AL 36849