mirror of https://github.com/tLDP/LDP
23 lines
435 B
Bash
23 lines
435 B
Bash
#!/bin/bash
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# recursion-demo.sh
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# Demonstration of recursion.
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RECURSIONS=9 # How many times to recurse.
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r_count=0 # Must be global. Why?
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recurse ()
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{
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var="$1"
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while [ "$var" -ge 0 ]
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do
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echo "Recursion count = "$r_count" +-+ \$var = "$var""
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(( var-- )); (( r_count++ ))
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recurse "$var" # Function calls itself (recurses)
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done #+ until what condition is met?
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}
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recurse $RECURSIONS
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exit $?
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