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check hex

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Mylloon 2024-10-06 20:54:57 +02:00
parent 43f6ef96a1
commit a1f7c195a8
Signed by: Anri
GPG key ID: A82D63DFF8D1317F
1 changed files with 7 additions and 6 deletions
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13
.config/fish/functions/latex-color.fish
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@ -18,23 +18,24 @@ function latex-color --description "Get the LaTeX color from HEX code"
set hex (string sub -s 2 $hex) set hex (string sub -s 2 $hex)
end end
# Check if the length of the hex is valid # Check if the hex code is valid
if not contains $(string length $hex) $(string split " " "3 4 6 8") if not string match -qir '^[0-9A-F]{3,8}$' $hex
echo "Error: Invalid HEX code" and not contains $(string length $hex) $(string split " " "3 4 6 8")
echo "Error: Invalid HEX code" 1>&2
return 1 return 1
end end
# Expand 3 hex to 4 hex # Expand 3 to 4
if test (string length $hex) -eq 3 if test (string length $hex) -eq 3
set hex $(string join "" $hex 0) set hex $(string join "" $hex 0)
end end
# Expand 4 hex to 8 hex # Expand 4 to 8
if test (string length $hex) -eq 4 if test (string length $hex) -eq 4
set hex "$(string replace -ar '(.)' '$1$1' $hex)00" set hex "$(string replace -ar '(.)' '$1$1' $hex)00"
end end
# Expand 6 hex to 8 hex # Expand 6 to 8
if test (string length $hex) -eq 6 if test (string length $hex) -eq 6
set hex $(string join "" $hex 00) set hex $(string join "" $hex 00)
end end