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prefon: update usage statement
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scritps/prefon
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scritps/prefon
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# Script to preview fonts
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usage() {
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printf '%b\n' "${0##*/} [-F FILE | -S | -t STRING] [OPTIONS]" \
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"actions:" \
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"\t-F FILE - read from file" \
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"\t-S - read from stdin" \
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"\t-t STRING - use a string" \
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"\noptions:" \
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"\t-b SIZE - border size" \
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"\t-c COLORS - set the color of the text and background" \
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"\t-f FONT - which font to preview" \
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"\t-h - display this message" \
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"\t-i - do not generate an inverse image" \
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"\t-o FILE - output file for the generated image" \
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"\t-s SIZE - size of the font" \
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"\ndefault values:" \
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"These values can be set before execution to change default values" \
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"\tPREFON_ACTION=text (file, stdin, or text)" \
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"\tPREFON_BORDER_SIZE=16" \
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"\tPREFON_COLORS=\"000000,ffffff\"" \
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"\tPREFON_FONT=\"monospace\"" \
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"\tPREFON_OUTPUT=\"/tmp/prefon.png\"" \
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"\tPREFON_SIZE=16" \
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"\tPREFON_TEXT=\"The quick brown fox jumps\\\n over the lazy dog\"" \
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printf '%b\n' "${0##*/} [-F FILE | -S | -t STRING] [OPTIONS]" \
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"actions:" \
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"\t-F FILE - read from file" \
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"\t-S - read from stdin" \
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"\t-t STRING - use a string" \
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"\noptions:" \
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"\t-b SIZE - border size" \
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"\t-c COLORS - set the color of the text and background" \
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"\t-f FONT - which font to preview" \
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"\t-h - display this message" \
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"\t-i - generate the inverse image (horizontal, vertical, none)" \
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"\t-o FILE - output file for the generated image" \
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"\t-s SIZE - size of the font" \
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"\ndefault values:" \
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"These values can be set before execution to change default values" \
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"\tPREFON_ACTION=text (file, stdin, or text)" \
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"\tPREFON_BORDER_SIZE=16" \
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"\tPREFON_COLORS=\"000000,ffffff\"" \
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"\tPREFON_FONT=\"monospace\"" \
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"\tPREFON_OUTPUT=\"/tmp/prefon.png\"" \
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"\tPREFON_SIZE=16" \
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"\tPREFON_TEXT=\"The quick brown fox jumps\\\n over the lazy dog\"" \
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"\tPREFON_INVERSE=vertical (horizontal, vertical, none)"
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}
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