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28 lines
748 B
Markdown
28 lines
748 B
Markdown
# printf
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> Format and print text.
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> More information: <https://www.gnu.org/software/coreutils/manual/html_node/printf-invocation.html>.
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- Print a text message:
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`printf "{{%s\n}}" "{{Hello world}}"`
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- Print an integer in bold blue:
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`printf "{{\e[1;34m%.3d\e[0m\n}}" {{42}}`
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- Print a float number with the Unicode Euro sign:
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`printf "{{\u20AC %.2f\n}}" {{123.4}}`
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- Print a text message composed with environment variables:
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`printf "{{var1: %s\tvar2: %s\n}}" "{{$VAR1}}" "{{$VAR2}}"`
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- Store a formatted message in a variable (does not work on Zsh):
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`printf -v {{myvar}} {{"This is %s = %d\n" "a year" 2016}}`
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- Print a hexadecimal, octal and scientific number:
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`printf "{{hex=%x octal=%o scientific=%e}}" 0x{{FF}} 0{{377}} {{100000}}`
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