mirror of https://github.com/tLDP/LDP
40 lines
893 B
Bash
40 lines
893 B
Bash
#!/bin/bash
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# printf demo
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PI=3.14159265358979
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DecimalConstant=31373
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Message1="Greetings,"
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Message2="Earthling."
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echo
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printf "Pi to 2 decimal places = %1.2f" $PI
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echo
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printf "Pi to 9 decimal places = %1.9f" $PI # It even rounds off correctly.
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printf "\n" # Prints a line feed,
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# equivalent to 'echo'.
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printf "Constant = \t%d\n" $DecimalConstant # Inserts tab (\t)
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printf "%s %s \n" $Message1 $Message2
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echo
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# ==========================================#
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# Simulation of C function, 'sprintf'.
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# Loading a variable with a formatted string.
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echo
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Pi12=$(printf "%1.12f" $PI)
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echo "Pi to 12 decimal places = $Pi12"
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Msg=`printf "%s %s \n" $Message1 $Message2`
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echo $Msg; echo $Msg
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# As it happens, the 'sprintf' function can now be accessed
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# as a loadable module to Bash, but this is not portable.
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exit 0
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