2001-07-10 14:25:50 +00:00
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#!/bin/bash
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LIMIT=19 # Upper limit
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echo
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echo "Printing Numbers 1 through 20 (but not 3 and 11)."
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a=0
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while [ $a -le "$LIMIT" ]
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do
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a=$(($a+1))
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2005-05-08 20:09:31 +00:00
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if [ "$a" -eq 3 ] || [ "$a" -eq 11 ] # Excludes 3 and 11.
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2001-07-10 14:25:50 +00:00
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then
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2005-05-08 20:09:31 +00:00
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continue # Skip rest of this particular loop iteration.
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2001-07-10 14:25:50 +00:00
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fi
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2005-05-08 20:09:31 +00:00
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echo -n "$a " # This will not execute for 3 and 11.
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2001-07-10 14:25:50 +00:00
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done
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2002-04-01 16:04:17 +00:00
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# Exercise:
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2008-11-23 22:43:47 +00:00
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# Why does the loop print up to 20?
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2001-07-10 14:25:50 +00:00
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2001-09-04 13:27:31 +00:00
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echo; echo
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2001-07-10 14:25:50 +00:00
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echo Printing Numbers 1 through 20, but something happens after 2.
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##################################################################
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# Same loop, but substituting 'break' for 'continue'.
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a=0
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while [ "$a" -le "$LIMIT" ]
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do
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a=$(($a+1))
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if [ "$a" -gt 2 ]
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then
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2001-09-04 13:27:31 +00:00
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break # Skip entire rest of loop.
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2001-07-10 14:25:50 +00:00
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fi
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echo -n "$a "
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done
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2001-09-04 13:27:31 +00:00
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echo; echo; echo
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2001-07-10 14:25:50 +00:00
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exit 0
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