| 1 | # Two functions I actually use, all the time.
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| 2 | #
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| 3 | # To keep depenedencies small, this library will NEVER grow other functions
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| 4 | # (and is named to imply that.)
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| 5 | #
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| 6 | # Usage:
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| 7 | # source --builtin two.sh
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| 8 | #
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| 9 | # Examples:
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| 10 | # log 'hi'
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| 11 | # die 'expected a number'
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| 12 |
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| 13 | if command -v source-guard >/dev/null; then # include guard for YSH
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| 14 | source-guard two || return 0
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| 15 | fi
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| 16 |
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| 17 | log() {
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| 18 | ### Write a message to stderr.
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| 19 | echo "$@" >&2
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| 20 | }
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| 21 |
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| 22 | die() {
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| 23 | ### Write an error message with the script name, and exit with status 1.
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| 24 | log "$0: fatal: $@"
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| 25 | exit 1
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| 26 | }
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| 27 |
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