Document $ARGS and friends

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Nicolas Williams committed 2017-02-25 19:21:06 -06:00
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@@ -217,6 +217,9 @@ sections:
`value` will be treated as a string, so `--arg foo 123` will `value` will be treated as a string, so `--arg foo 123` will
bind `$foo` to `"123"`. bind `$foo` to `"123"`.
Named arguments are also available to the jq program as
`$ARGS.named`.
* `--argjson name JSON-text`: * `--argjson name JSON-text`:
This option passes a JSON-encoded value to the jq program as a This option passes a JSON-encoded value to the jq program as a
@@ -239,6 +242,16 @@ sections:
one text, then that is used, else an array of texts is used as one text, then that is used, else an array of texts is used as
in `--slurpfile`.) in `--slurpfile`.)
* `--args`:
Remaining arguments are positional string arguments. These are
available to the jq program as `$ARGS.positional[]`.
* `--jsonargs`:
Remaining arguments are positional JSON text arguments. These
are available to the jq program as `$ARGS.positional[]`.
* `--run-tests [filename]`: * `--run-tests [filename]`:
Runs the tests in the given file or standard input. This must Runs the tests in the given file or standard input. This must
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@@ -159,6 +159,9 @@ Sets the exit status of jq to 0 if the last output values was neither \fBfalse\f
.IP .IP
This option passes a value to the jq program as a predefined variable\. If you run jq with \fB\-\-arg foo bar\fR, then \fB$foo\fR is available in the program and has the value \fB"bar"\fR\. Note that \fBvalue\fR will be treated as a string, so \fB\-\-arg foo 123\fR will bind \fB$foo\fR to \fB"123"\fR\. This option passes a value to the jq program as a predefined variable\. If you run jq with \fB\-\-arg foo bar\fR, then \fB$foo\fR is available in the program and has the value \fB"bar"\fR\. Note that \fBvalue\fR will be treated as a string, so \fB\-\-arg foo 123\fR will bind \fB$foo\fR to \fB"123"\fR\.
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Named arguments are also available to the jq program as \fB$ARGS\.named\fR\.
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.IP "\(bu" 4 .IP "\(bu" 4
\fB\-\-argjson name JSON\-text\fR: \fB\-\-argjson name JSON\-text\fR:
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@@ -181,6 +184,18 @@ Do not use\. Use \fB\-\-slurpfile\fR instead\.
(This option is like \fB\-\-slurpfile\fR, but when the file has just one text, then that is used, else an array of texts is used as in \fB\-\-slurpfile\fR\.) (This option is like \fB\-\-slurpfile\fR, but when the file has just one text, then that is used, else an array of texts is used as in \fB\-\-slurpfile\fR\.)
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.IP "\(bu" 4 .IP "\(bu" 4
\fB\-\-args\fR:
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Remaining arguments are positional string arguments\. These are available to the jq program as \fB$ARGS\.positional[]\fR\.
.
.IP "\(bu" 4
\fB\-\-jsonargs\fR:
.
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Remaining arguments are positional JSON text arguments\. These are available to the jq program as \fB$ARGS\.positional[]\fR\.
.
.IP "\(bu" 4
\fB\-\-run\-tests [filename]\fR: \fB\-\-run\-tests [filename]\fR:
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.IP .IP