mirror of https://github.com/tLDP/LDP
54 lines
1022 B
Bash
54 lines
1022 B
Bash
#!/bin/bash
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# Using "seq"
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echo
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for a in `seq 80` # or for a in $( seq 80 )
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# Same as for a in 1 2 3 4 5 ... 80 (saves much typing!).
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# May also use 'jot' (if present on system).
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do
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echo -n "$a "
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done # 1 2 3 4 5 ... 80
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# Example of using the output of a command to generate
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# the [list] in a "for" loop.
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echo; echo
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COUNT=80 # Yes, 'seq' also accepts a replaceable parameter.
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for a in `seq $COUNT` # or for a in $( seq $COUNT )
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do
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echo -n "$a "
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done # 1 2 3 4 5 ... 80
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echo; echo
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BEGIN=75
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END=80
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for a in `seq $BEGIN $END`
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# Giving "seq" two arguments starts the count at the first one,
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#+ and continues until it reaches the second.
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do
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echo -n "$a "
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done # 75 76 77 78 79 80
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echo; echo
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BEGIN=45
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INTERVAL=5
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END=80
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for a in `seq $BEGIN $INTERVAL $END`
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# Giving "seq" three arguments starts the count at the first one,
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#+ uses the second for a step interval,
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#+ and continues until it reaches the third.
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do
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echo -n "$a "
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done # 45 50 55 60 65 70 75 80
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echo; echo
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exit 0
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