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doc/cli-design.txt
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@ -2,7 +2,7 @@ A flexible music programming language powered by math.
usage: usage:
cmd [FILENAME | -c SHEET_MUSIC | --syntax | --examples | --example <n>] [-e EXPR] [-l EXPR] -n NOTE[,...] [-E [-f {"stdout" | FORMAT}]] [-v CHAR=VALUE] cmd [FILENAME | -c SHEET_MUSIC | --syntax | --examples | --example <n>] [-e EXPR] -n NOTE[,...] [-E [-f {"stdout" | FORMAT}]] [-v CHAR=VALUE]
arguments: arguments:
FILENAME file path to your .blp sheet music [default: read from stdin] FILENAME file path to your .blp sheet music [default: read from stdin]
@ -14,9 +14,7 @@ options:
-n NOTE[,...], --notes NOTE[,...] -n NOTE[,...], --notes NOTE[,...]
available notes: a list of comma-separated alphabetical note names available notes: a list of comma-separated alphabetical note names
-e EXPR, --expression EXPR -e EXPR, --expression EXPR
signal expression (instrument) to generate music samples (you can use the floating-point number t for the current time in seconds, n for the indice of the currently playing note in the list of available notes starting with 0 and N for the number of available notes) [default: "sin(2*PI*(442+442*((n+1)/N))*t)"] signal expression (instrument) to generate music samples (you can use the floating-point number t for the current time in seconds, n for the indice of the currently playing note in the list of available notes starting with 0 and N for the number of available notes) [default: sin(2*PI*n*(442+442*((n+1)/N))*t)]
-l EXPR, --length EXPR
expression to generate note length in seconds [default: "2^(2-log_2(l))*(60/T)"]
exporting music: exporting music:
-E, --export -E, --export
@ -26,7 +24,7 @@ options:
advanced sheet music tweaking: advanced sheet music tweaking:
-v VARIABLE=VALUE, --variable VARIABLE=VALUE -v VARIABLE=VALUE, --variable VARIABLE=VALUE
add a variable named VARIABLE (an single letter) for the sheet music and all expressions and set its initial value to VALUE (you can override n, t, l and T which is the only way to set the initial tempo) add a variable named VARIABLE (an single letter) for the sheet music and all expressions and set its initial value to VALUE (you can override n, t and T)
-m NAME:EXPANSION, --macro MACRO:EXPANSION -m NAME:EXPANSION, --macro MACRO:EXPANSION
add a macro named NAME (single character, must not be alphanumeric) which expands to EXPANSION when called in the sheet music add a macro named NAME (single character, must not be alphanumeric) which expands to EXPANSION when called in the sheet music
-s NAME:VARIABLE=EXPR, --slope VARIABLE=EXPR -s NAME:VARIABLE=EXPR, --slope VARIABLE=EXPR