212 lines
2.9 KiB
HTML
212 lines
2.9 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML
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>Nested if/then Condition Tests</TITLE
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><H1
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><A
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NAME="NESTEDIFTHEN"
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></A
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>7.4. Nested <TT
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CLASS="REPLACEABLE"
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><I
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>if/then</I
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></TT
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> Condition Tests</H1
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><P
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>Condition tests using the <TT
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CLASS="REPLACEABLE"
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><I
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>if/then</I
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></TT
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>
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construct may be nested. The net result is equivalent to using the
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<A
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HREF="ops.html#LOGOPS1"
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><I
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> compound
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comparison operator.</P
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>a=3
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if [ "$a" -gt 0 ]
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then
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if [ "$a" -lt 5 ]
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then
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echo "The value of \"a\" lies somewhere between 0 and 5."
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fi
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fi
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# Same result as:
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if [ "$a" -gt 0 ] && [ "$a" -lt 5 ]
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then
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echo "The value of \"a\" lies somewhere between 0 and 5."
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fi</PRE
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>Example 37-4</A
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> and <A
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>Example 17-11</A
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>
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demonstrate nested <TT
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><I
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>if/then</I
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></TT
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> condition
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tests.</P
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