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Dnia 2013-08-03, o godz. 17:54:42 |
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Ulrich Mueller <ulm@g.o> napisał(a): |
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|
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> >>>>> On Sat, 3 Aug 2013, Michał Górny wrote: |
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> |
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> > 2. The eclass comes with a pure bash-3.2 CamelCase converter for |
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> > changing PNs like 'twisted-foo' into 'TwistedFoo'. The relevant code |
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> > can be moved to eutils as portable replacements for bash-4 ${foo^} |
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> > and friends. |
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> |
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> > # obtain octal ASCII code for the first letter. |
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> > local ord=$(printf '%o' "'${fl}") |
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> > |
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> > # check if it's [a-z]. ASCII codes are locale-safe. |
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> > if [[ ${ord} -ge 141 && ${ord} -le 172 ]]; then |
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> > # now substract 040 to make it upper-case. |
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> > # fun fact: in range 0141..0172, decimal '- 40' is fine. |
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> > local ord=$(( ${ord} - 40)) |
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> > # and convert it back to the character. |
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> > fl=$(printf '\'${ord}) |
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> > fi |
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> |
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> This looks just horrible. You do decimal arithmetic on octal numbers? |
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|
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Yes. Bash wasn't really happy to do octal arithmetic for me. Yet |
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in this particular case, with proper assumptions, decimal arithmetic is |
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practically equivalent. |
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|
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-- |
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Best regards, |
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Michał Górny |
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