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jq 1.7.1

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jq 1.7.1 Latest
Latest

Security

  • CVE-2023-50246: Fix heap buffer overflow in jvp_literal_number_literal
  • CVE-2023-50268: fix stack-buffer-overflow if comparing nan with payload

CLI changes

Language changes

Documentation changes

libjq

Build and test changes

New Contributors

Full Changelog: jq-1.7...jq-1.7.1

Contributors

jesperronn, owenthereal, and 18 other contributors
Assets 29

jq 1.7

06 Sep 22:54
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jq 1.7

After a five year hiatus we're back with a GitHub organization, with new admins and new maintainers who have brought a great deal of energy to make a long-awaited and long-needed new release. We're very grateful for all the new owners, admins, and maintainers. Special thanks go to Owen Ou (@owenthereal) for pushing to set up a new GitHub organization for jq, Stephen Dolan (@stedolan) for transferring the jq repository to the new organization, @itchyny for doing a great deal of work to get the release done, Mattias Wadman (@wader) and Emanuele Torre (@emanuele6) for many PRs and code reviews. Many others also contributed PRs, issues, and code reviews as well, and you can find their contributions in the Git log and on the closed issues and PRs page.

What's Changed

Since the last stable release many things have happened:

Full commit log can be found at jq-1.6...jq-1.7 but here are some highlights:

CLI changes

  • Make object key color configurable using JQ_COLORS environment variable. @itchyny @haguenau @ericpruitt #2703

    # this would make "field" bold yellow (`1;33`, the last value)
$ JQ_COLORS="0;90:0;37:0;37:0;37:0;32:1;37:1;37:1;33" ./jq -n '{field: 123}'
{
  "field": 123
}

  • Change the default color of null to Bright Black. @itchyny #2824

  • Respect NO_COLOR environment variable to disable color output. See https://no-color.org for details. @itchyny #2728

  • Improved --help output. Now mentions all options and nicer order. @itchyny @wader #2747 #2766 #2799

  • Fix multiple issues of exit code using --exit-code/-e option. @ryo1kato #1697

    # true-ish last output value exits with zero
$ jq -ne true ; echo $?
true
0
# false-ish last output value (false and null) exits with 1
$ jq -ne false ; echo $?
false
1
# no output value exists with 4
$ jq -ne empty ; echo $?
4

  • Add --binary/-b on Windows for binary output. To get \n instead of \r\n line endings. @nicowilliams 0dab2b1

  • Add --raw-output0 for NUL (zero byte) separated output. @asottile @pabs3 @itchyny #1990 #2235 #2684

    # will output a zero byte after each output
$ jq -n --raw-output0 '1,2,3' | xxd
00000000: 3100 3200 3300                           1.2.3.
# can be used with xargs -0
$ jq -n --raw-output0 '"a","b","c"' | xargs -0 -n1
a
b
c
$ jq -n --raw-output0 '"a b c", "d\ne\nf"' | xargs -0 printf '[%s]\n'
[a b c]
[d
e
f]
# can be used with read -d ''
$ while IFS= read -r -d '' json; do
>   jq '.name' <<< "$json"
> done < <(jq -n --raw-output0 '{name:"a b c"},{name:"d\ne\nf"}')
"a b c"
"d\ne\nf"
# also it's an error to output a string containing a NUL when using NUL separator
$ jq -n --raw-output0 '"\u0000"'
jq: error (at <unknown>): Cannot dump a string containing NUL with --raw-output0 option

  • Fix assert crash and validate JSON for --jsonarg. @wader #2658

  • Remove deprecated --argfile option. @itchyny #2768

  • Enable stack protection. @nicowilliams #2801

Language changes

  • Use decimal number literals to preserve precision. Comparison operations respects precision but arithmetic operations might truncate. @leonid-s-usov #1752

    # precision is preserved
$ echo '100000000000000000' | jq .
100000000000000000
# comparison respects precision (this is false in JavaScript)
$ jq -n '100000000000000000 < 100000000000000001'
true
# sort/0 works
$ jq -n -c '[100000000000000001, 100000000000000003, 100000000000000004, 100000000000000002] | sort'
[100000000000000001,100000000000000002,100000000000000003,100000000000000004]
# arithmetic operations might truncate (same as JavaScript)
$ jq -n '100000000000000000 + 10'
100000000000000020

  • Adds new builtin pick(stream) to emit a projection of the input object or array. @pkoppstein #2656 #2779

    $ jq -n '{"a": 1, "b": {"c": 2, "d": 3}, "e": 4} | pick(.a, .b.c, .x)'
{
  "a": 1,
  "b": {
    "c": 2
  },
  "x": null
}

  • Adds new builtin debug(msgs) that works like debug but applies a filter on the input before writing to stderr. @pkoppstein #2710

    $ jq -n '1 as $x | 2 | debug("Entering function foo with $x == \($x)", .) | (.+1)'
["DEBUG:","Entering function foo with $x == 1"]
["DEBUG:",2]
3
$ jq -n '{a: 1, b: 2, c: 3} | debug({a, b, sum: (.a+.b)})'
["DEBUG:",{"a":1,"b":2,"sum":3}]
{
  "a": 1,
  "b": 2,
  "c": 3
}

  • Adds new builtin scan($re; $flags). Was documented but not implemented. @itchyny #1961

    # look for pattern "ab" in "abAB" ignoring casing
$ jq -n '"abAB" | scan("ab"; "i")'
"ab"
"AB"

  • Adds new builtin abs to get absolute value. This potentially allows the literal value of numbers to be preserved as length and fabs convert to float. @pkoppstein #2767

  • Allow if without else-branch. When skipped the else-branch will be . (identity). @chancez @wader #1825 #2481

    # convert 1 to "one" otherwise keep as is
$ jq -n '1,2 | if . == 1 then "one" end'
"one"
2
# behaves the same as
$ jq -n '1,2 | if . == 1 then "one" else . end'
"one"
2
# also works with elif
$ jq -n '1,2,3 | if . == 1 then "one" elif . == 2 then "two" end
"one"
"two"
3

  • Allow use of $binding as key in object literals. @nicowilliams 8ea4a55

    $ jq -n '"a" as $key | {$key: 123}'
{
  "a": 123
}
# previously parentheses were needed
$ jq -n '"a" as $key | {($key): 123}'
{
  "a": 123
}

  • Allow dot between chained indexes when using .["index"] @nicowilliams #1168

    $ jq -n '{"a": {"b": 123}} | .a["b"]'
123
# now this also works
$ jq -n '{"a": {"b": 123}} | .a.["b"]'
123

  • Allow dot for chained value iterator .[], .[]? @wader #2650

    $ jq -n '{"a": [123]} | .a[]'
123
# now this also works
$ jq -n '{"a": [123]} | .a.[]'
123

  • Fix try/catch catches more than it should. @nicowilliams #2750

  • Speed up and refactor some builtins, also remove scalars_or_empty/0. @muhmuhten #1845

  • Now halt and halt_error exit immediately instead of continuing to the next input. @emanuele6 #2667

  • Fix issue converting string to number after previous convert error. @thalman #2400

  • Fix issue representing large numbers on some platforms causing invalid JSON output. @itchyny #2661

  • Fix deletion using assigning empty against arrays. @itchyny #2133

    # now this works as expected, filter out all values over 2 by assigning empty
$ jq -c '(.[] | select(. >= 2)) |= empty' <<< '[1,5,3,0,7]'
[1,0]

  • Allow keywords to be used as binding name in more places. @emanuele6 #2681

  • Allow using nan as NaN in JSON. @emanuele6 #2712

  • Expose a module's function names in modulemeta. @mrwilson #2837

  • Fix contains/1 to handle strings with NUL. @nicowilliams 61cd6db

  • Fix stderr/0 to output raw text without any decoration. @itchyny #2751

  • Fix nth/2 to emit empty on index out of range. @itchyny #2674

  • Fix implode to not assert and instead replace invalid unicode codepoints. @wader #2646

  • Fix indices/1 and rindex/1 in case of overlapping matches in strings. @emanuele6 #2718

  • Fix sub/3 to resolve issues involving global search-and-replace (gsub) operations. @pkoppstein #2641

  • Fix significand/0, gamma/0 and drem/2 to be available on macOS. @itchyny #2756 #2775

  • Fix empty regular expression matches. @itchyny #2677

  • Fix overflow exception of the modulo operator. @itchyny #2629

  • Fix string multiplication by 0 (and less than 1) to emit empty string. @itchyny #2142

  • Fix segfault when using libjq and threads. @thalman #2546

  • Fix constant folding of division and reminder with zero divisor. @itchyny #2797

  • Fix error/0, error/1 to throw null error. @emanuele6 #2823

  • Simpler and faster transpose. @pkoppstein #2758

  • Simple and efficient implementation of walk/1. @pkoppstein #2795

  • Remove deprecated filters leaf_paths, recurse_down. @itchyny #2666

Full Changelog: jq-1.7rc2...jq-1.7

Contributors

stedolan, owenthereal, and 16 other contributors
Assets 31
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jq 1.7rc2

27 Aug 18:10
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jq 1.7rc2 Pre-release
Pre-release

Note that this is a pre-release. Feedback is welcome #2862.

After a five year hiatus we're back with a GitHub organization, with new admins and new maintainers who have brought a great deal of energy to make a long-awaited and long-needed new release.

Since the last stable release many things have happened:

Full commit log can be found at jq-1.6...jq-1.7rc2 but here are some highlights:

CLI changes

  • Make object key color configurable using JQ_COLORS environment variable. @itchyny @haguenau @ericpruitt #2703

    # this would make "field" bold yellow (`1;33`, the last value)
$ JQ_COLORS="0;90:0;37:0;37:0;37:0;32:1;37:1;37:1;33" ./jq -n '{field: 123}'
{
  "field": 123
}

  • Change the default color of null to Bright Black. @itchyny #2824

  • Respect NO_COLOR environment variable to disable color output. See https://no-color.org for details. @itchyny #2728

  • Improved --help output. Now mentions all options and nicer order. @itchyny @wader #2747 #2766 #2799

  • Fix multiple issues of exit code using --exit-code/-e option. @ryo1kato #1697

    # true-ish last output value exits with zero
$ jq -ne true ; echo $?
true
0
# false-ish last output value (false and null) exits with 1
$ jq -ne false ; echo $?
false
1
# no output value exists with 4
$ jq -ne empty ; echo $?
4

  • Add --binary/-b on Windows for binary output. To get \n instead of \r\n line endings. @nicowilliams 0dab2b1

  • Add --raw-output0 for NUL (zero byte) separated output. @asottile @pabs3 @itchyny #1990 #2235 #2684

    # will output a zero byte after each output
$ jq -n --raw-output0 '1,2,3' | xxd
00000000: 3100 3200 3300                           1.2.3.
# can be used with xargs -0
$ jq -n --raw-output0 '"a","b","c"' | xargs -0 -n1
a
b
c
$ jq -n --raw-output0 '"a b c", "d\ne\nf"' | xargs -0 printf '[%s]\n'
[a b c]
[d
e
f]
# can be used with read -d ''
$ while IFS= read -r -d '' json; do
>   jq '.name' <<< "$json"
> done < <(jq -n --raw-output0 '{name:"a b c"},{name:"d\ne\nf"}')
"a b c"
"d\ne\nf"
# also it's an error to output a string containing a NUL when using NUL separator
$ jq -n --raw-output0 '"\u0000"'
jq: error (at <unknown>): Cannot dump a string containing NUL with --raw-output0 option

  • Fix assert crash and validate JSON for --jsonarg. @wader #2658

  • Remove deprecated --argfile option. @itchyny #2768

  • Enable stack protection. @nicowilliams #2801

Language changes

  • Use decimal number literals to preserve precision. Comparison operations respects precision but arithmetic operations might truncate. @leonid-s-usov #1752

    # precision is preserved
$ echo '100000000000000000' | jq .
100000000000000000
# comparison respects precision (this is false in JavaScript)
$ jq -n '100000000000000000 < 100000000000000001'
true
# sort/0 works
$ jq -n -c '[100000000000000001, 100000000000000003, 100000000000000004, 100000000000000002] | sort'
[100000000000000001,100000000000000002,100000000000000003,100000000000000004]
# arithmetic operations might truncate (same as JavaScript)
$ jq -n '100000000000000000 + 10'
100000000000000020

  • Adds new builtin pick(stream) to emit a projection of the input object or array. @pkoppstein #2656 #2779

    $ jq -n '{"a": 1, "b": {"c": 2, "d": 3}, "e": 4} | pick(.a, .b.c, .x)'
{
  "a": 1,
  "b": {
    "c": 2
  },
  "x": null
}

  • Adds new builtin debug(msgs) that works like debug but applies a filter on the input before writing to stderr. @pkoppstein #2710

    $ jq -n '1 as $x | 2 | debug("Entering function foo with $x == \($x)", .) | (.+1)'
["DEBUG:","Entering function foo with $x == 1"]
["DEBUG:",2]
3
$ jq -n '{a: 1, b: 2, c: 3} | debug({a, b, sum: (.a+.b)})'
["DEBUG:",{"a":1,"b":2,"sum":3}]
{
  "a": 1,
  "b": 2,
  "c": 3
}

  • Adds new builtin scan($re; $flags). Was documented but not implemented. @itchyny #1961

    # look for pattern "ab" in "abAB" ignoring casing
$ jq -n '"abAB" | scan("ab"; "i")'
"ab"
"AB"

  • Adds new builtin abs to get absolute value. This potentially allows the literal value of numbers to be preserved as length and fabs convert to float. @pkoppstein #2767

  • Allow if without else-branch. When skipped the else-branch will be . (identity). @chancez @wader #1825 #2481

    # convert 1 to "one" otherwise keep as is
$ jq -n '1,2 | if . == 1 then "one" end'
"one"
2
# behaves the same as
$ jq -n '1,2 | if . == 1 then "one" else . end'
"one"
2
# also works with elif
$ jq -n '1,2,3 | if . == 1 then "one" elif . == 2 then "two" end
"one"
"two"
3

  • Allow use of $binding as key in object literals. @nicowilliams 8ea4a55

    $ jq -n '"a" as $key | {$key: 123}'
{
  "a": 123
}
# previously parentheses were needed
$ jq -n '"a" as $key | {($key): 123}'
{
  "a": 123
}

  • Allow dot between chained indexes when using .["index"] @nicowilliams #1168

    $ jq -n '{"a": {"b": 123}} | .a["b"]'
123
# now this also works
$ jq -n '{"a": {"b": 123}} | .a.["b"]'
123

  • Allow dot for chained value iterator .[], .[]? @wader #2650

    $ jq -n '{"a": [123]} | .a[]'
123
# now this also works
$ jq -n '{"a": [123]} | .a.[]'
123

  • Fix try/catch catches more than it should. @nicowilliams #2750

  • Speed up and refactor some builtins, also remove scalars_or_empty/0. @muhmuhten #1845

  • Now halt and halt_error exit immediately instead of continuing to the next input. @emanuele6 #2667

  • Fix issue converting string to number after previous convert error. @thalman #2400

  • Fix issue representing large numbers on some platforms causing invalid JSON output. @itchyny #2661

  • Fix deletion using assigning empty against arrays. @itchyny #2133

    # now this works as expected, filter out all values over 2 by assigning empty
$ jq -c '(.[] | select(. >= 2)) |= empty' <<< '[1,5,3,0,7]'
[1,0]

  • Allow keywords to be used as binding name in more places. @emanuele6 #2681

  • Allow using nan as NaN in JSON. @emanuele6 #2712

  • Expose a module's function names in modulemeta. @mrwilson #2837

  • Fix contains/1 to handle strings with NUL. @nicowilliams 61cd6db

  • Fix stderr/0 to output raw text without any decoration. @itchyny #2751

  • Fix nth/2 to emit empty on index out of range. @itchyny #2674

  • Fix implode to not assert and instead replace invalid unicode codepoints. @wader #2646

  • Fix indices/1 and rindex/1 in case of overlapping matches in strings. @emanuele6 #2718

  • Fix sub/3 to resolve issues involving global search-and-replace (gsub) operations. @pkoppstein #2641

  • Fix significand/0, gamma/0 and drem/2 to be available on macOS. @itchyny #2756 #2775

  • Fix empty regular expression matches. @itchyny #2677

  • Fix overflow exception of the modulo operator. @itchyny #2629

  • Fix string multiplication by 0 (and less than 1) to emit empty string. @itchyny #2142

  • Fix segfault when using libjq and threads. @thalman #2546

  • Fix constant folding of division and reminder with zero divisor. @itchyny #2797

  • Fix error/0, error/1 to throw null error. @emanuele6 #2823

  • Simpler and faster transpose. @pkoppstein #2758

  • Simple and efficient implementation of walk/1. @pkoppstein #2795

  • Remove deprecated filters leaf_paths, recurse_down. @itchyny #2666

Contributors

owenthereal, pkoppstein, and 15 other contributors
Assets 26
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jq 1.7rc1

31 Jul 23:04
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jq-1.7rc1
4af3f99
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jq 1.7rc1 Pre-release
Pre-release

Note that this is a pre-release. Feedback is welcome #2802.

After a five year hiatus we're back with a GitHub organization, with new admins and new maintainers who have brought a great deal of energy to make a long-awaited and long-needed new release.

Since the last stable release many things have happened:

Full commit log can be found at jq-1.6...jq-1.7rc1 but here are some highlights:

CLI changes

  • Make object key color configurable using JQ_COLORS environment variable. @itchyny @haguenau @ericpruitt #2703

    # this would make "field" yellow (33, the last value)
$ JQ_COLORS="1;30:0;37:0;37:0;37:0;32:1;37:1;37:1;33" ./jq -n '{field: 123}'
{
  "field": 123
}

  • Respect NO_COLOR environment variable to disable color output. See https://no-color.org for details. @itchyny #2728

  • Improved --help output. Now mentions all options and nicer order. @itchyny #2747 #2766

  • Last output value can now control exit code using --exit-code/-e. @ryo1kato #1697

    # true-ish last output value exits with zero
$ jq -ne true ; echo $?
true
0
# false-ish last output value (false and null) exits with 1
$ jq -ne false ; echo $?
false
1
# no output value exists with 4
$ jq -ne empty ; echo $?
4

  • Add --binary/-b on Windows for binary output. To get \n instead of \r\n line endings. 0dab2b1 @nicowilliams

  • Add --raw-output0 for NUL (zero byte) separated output. @asottile @pabs3 @itchyny #1990 #2235 #2684

    # will output a zero byte after each output
$ jq -n --raw-output0 '1,2,3' | xxd
00000000: 3100 3200 3300                           1.2.3.
# can be used with xargs -0
$ jq -n --raw-output0 '"a","b","c"' | xargs -0 -n1
a
b
c
$ jq -n --raw-output0 '"a b c", "d\ne\nf"' | xargs -0 printf '%q\n'
'a b c'
'd'$'\n''e'$'\n''f'
# can be used with read -d ''
$ while IFS= read -r -d '' json; do
>   jq '.name' <<< "$json"
> done < <(jq -n --raw-output0 '{name:"a b c"},{name:"d\ne\nf"}')
"a b c"
"d\ne\nf"
# also it's an error to output a string containing a NUL when using NUL separator
$ jq -n --raw-output0 '"\u0000"'
jq: error (at <unknown>): Cannot dump a string containing NUL with --raw-output0 option

  • Fix assert crash and validate JSON for --jsonarg. @wader #2658

  • Remove deprecated --argfile option. @itchyny #2768

Language changes

  • Use decimal number literals to preserve precision. Comparison operations respects precision but arithmetic operations might truncate. @leonid-s-usov #1752

    # precision is preserved
$ jq -n '100000000000000000'
100000000000000000
# comparison respects precision (this is false in JavaScript)
$ jq -n '100000000000000000 < 100000000000000001'
true
# arithmetic operations might truncate (same as JavaScript)
$ jq -n '100000000000000000+10'
100000000000000020

  • Adds new builtin pick(stream) to emit a projection of the input object or array. @pkoppstein #2656

    $ jq -n '{"a": 1, "b": {"c": 2, "d": 3}, "e": 4} | pick(.a, .b.c, .x)'
{
  "a": 1,
  "b": {
    "c": 2
  },
  "x": null
}

  • Adds new builtin debug(msgs) that works like debug but applies a filter on the input before writing to stderr. @pkoppstein #2710

    $ jq -n '1 as $x | 2 | debug("Entering function foo with $x == \($x)", .) | (.+1)'
["DEBUG:","Entering function foo with $x == 1"]
["DEBUG:",2]
3
$ jq -n '{a: 1, b: 2, c: 3} | debug({a, b, sum: (.a+.b)})'
["DEBUG:",{"a":1,"b":2,"sum":3}]
{
  "a": 1,
  "b": 2,
  "c": 3
}

  • Adds new builtin scan($re; $flags). Was documented but not implemented. @itchyny #1961

    # look for pattern "ab" in "abAB" ignoring casing
$ jq -n '"abAB" | scan("ab"; "i")'
"ab"
"AB"

  • Adds new builtin abs to get absolute value. This potentially allows the literal value of numbers to be preserved as length and fabs convert to float. @pkoppstein #2767

  • Allow if without else-branch. When skipped the else-branch will be . (identity). @chancez @wader #1825 #2481

    # convert 1 to "one" otherwise keep as is
$ jq -n '1,2 | if . == 1 then "one" end'
"one"
2
# behaves the same as
$ jq -n '1,2 | if . == 1 then "one" else . end'
"one"
2
# also works with elif
$ jq -n '1,2,3 | if . == 1 then "one" elif . == 2 then "two" end
"one"
"two"
3

  • Allow use of $binding as key in object literals. 8ea4a55 @nicowilliams

    $ jq -n '"a" as $key | {$key: 123}'
{
  "a": 123
}
# previously parentheses were needed
$ jq -n '"a" as $key | {($key): 123}'
{
  "a": 123
}

  • Allow dot between chained indexes when using .["index"] @nicowilliams #1168

    $ jq -n '{"a": {"b": 123}} | .a["b"]'
123
# now this works also
$ jq -n '{"a": {"b": 123}} | .a.["b"]'
123

  • Fix try/catch catches more than it should. @nicowilliams #2750

  • Speed up and refactor some builtins, also remove scalars_or_empty/0. @muhmuhten #1845

  • Now halt and halt_error exit immediately instead of continuing to the next input. @emanuele6 #2667

  • Fix issue converting string to number after previous convert error. @thalman #2400

  • Make 0 divided by 0 result in NaN consistently. @itchyny #2253

  • Fix issue representing large numbers on some platforms causing invalid JSON output. @itchyny #2661

  • Fix deletion using assigning empty against arrays. @itchyny #2133

    # now this works as expected, filter out all values over 2 by assigning empty
$ jq -c '(.[] | select(. >= 2)) |= empty' <<< '[1,5,3,0,7]'
[1,0]

  • Fix stderr/0 to output raw text without any decoration. @itchyny #2751

  • Fix nth/2 to emit empty on index out of range. @itchyny #2674

  • Fix implode to not assert and instead replace invalid unicode codepoints. @wader #2646

  • Simpler and faster transpose. @pkoppstein #2758

  • Allow keywords to be used as binding name in more places. @emanuele6 #2681

  • Allow using nan as NaN in JSON. @emanuele6 #2712

  • Fix indices/1 and rindex/1 in case of overlapping matches in strings. @emanuele6 #2718

  • Enable significand/0, gamma/0 and drem/2 on macOS. @itchyny #2756 #2775

  • Fix segfault when using libjq and threads. @thalman #2546

Contributors

owenthereal, pkoppstein, and 14 other contributors
Assets 26
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jq 1.6

02 Nov 01:54
@wtlangford wtlangford
jq-1.6
2e01ff1
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jq 1.6

New in this release since 1.5:

  • Destructuring Alternation
  • New Builtins:
    • builtins/0
    • stderr/0
    • halt/0, halt_error/1
    • isempty/1
    • walk/1
    • utf8bytelength/1
    • localtime/0, strflocaltime/1
    • SQL-style builtins
    • and more!
  • Add support for ASAN and UBSAN
  • Make it easier to use jq with shebangs (8f6f28c)
  • Add $ENV builtin variable to access environment
  • Add JQ_COLORS env var for configuring the output colors

Bug fixes:

  • Calling jq without a program argument now always assumes . for the program, regardless of stdin/stdout. (5fe0536)
  • Make sorting stable regardless of qsort. (7835a72)
  • Adds a local oniguruma submodule and the ./configure --with-oniguruma=builtin option to make it easier to build with oniguruma support on systems where you can't install system-level libraries. (c6374b6 and 02bad4b)
  • And much more!
Assets 9
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jq 1.5

16 Aug 06:39
@nicowilliams nicowilliams
jq-1.5
a5b5cbe
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jq 1.5

Thanks to the 20+ developers who have sent us PRs since 1.4, and the many contributors to issues and the wiki.

The manual for jq 1.5 can be found at https://stedolan.github.io/jq/manual/v1.5/

Salient new features since 1.4:

  • regexp support (using Oniguruma)!

  • a proper module system

    import "foo/bar" as bar; # import foo/bar.jq's defs into a bar::* namespace

    and

    include "foo/bar"; # import foo/bar.jq's defs into the top-level

  • destructuring syntax (. as [$first, $second, {$foo, $bar}] | ...)

  • math functions

  • an online streaming parser

  • minimal I/O builtions (inputs, debug)

    One can now write:

    jq -n 'reduce inputs as $i ( ... )'

    to reduce inputs in an online way without having to slurp them first! This works with streaming too.

  • try/catch, for catching and handling errors (this makes for a dynamic non-local exit system)

  • a lexical non-local exit system

    One can now say

    label $foo | ..... | break $foo

    where the break causes control to return to the label $foo, which
    then produces empty (backtracks). There's named and anonymous
    labels.

  • tail call optimization (TCO), which allows efficient recursion in jq

  • a variety of new control structure builtins (e.g., while(cond; exp), repeat(exp), until(cond; next)), many of which internally use TCO

  • an enhanced form of reduce: foreach exp as $name (init_exp; update_exp; extract_exp)

  • the ability to read module data files

    import "foo/bar" as $bar; # read foo/bar.json, bind to $bar::bar

  • --argjson var '<JSON text>'

    Using --arg var bit me too many times :)

  • --slurpfile var "filename"

    Replaces the --argfile form (which is now deprecated but remains for backward compatibility).

  • support for application/json-seq (RFC7464)

  • a large variety of new utility functions, many being community contributions (e.g., bsearch, for binary searching arrays)

  • datetime functions

  • a variety of performance enhancements

  • def($a): ...; is now allowed as an equivalent of def(a): a as $a | ...;

  • test and build improvements, including gcov support

Lastly, don't forget the wiki! The wiki has a lot of new content since 1.4, much of it contributed by the community.

Assets 10
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jq 1.5 release candidate 2

27 Jul 04:14
@nicowilliams nicowilliams
jq-1.5rc2
7f25134
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jq 1.5 release candidate 2 Pre-release
Pre-release

Thanks to the 20+ developers who have sent us PRs since 1.4, and the many contributors to issues and the wiki. We're nearing a 1.5 release, finally.

Salient new features since 1.4:

  • regexp support (using Oniguruma)!

  • a proper module system

    import "foo/bar" as bar; # import foo/bar.jq's defs into a bar::* namespace

    and

    include "foo/bar"; # import foo/bar.jq's defs into the top-level

  • destructuring syntax (. as [$first, $second, {$foo, $bar}] | ...)

  • math functions

  • an online streaming parser

  • minimal I/O builtions (inputs, debug)

    One can now write:

    jq -n 'reduce inputs as $i ( ... )'

    to reduce inputs in an online way without having to slurp them first! This works with streaming too.

  • try/catch, for catching and handling errors (this makes for a dynamic non-local exit system)

  • a lexical non-local exit system

    One can now say

    label $foo | ..... | break $foo

    where the break causes control to return to the label $foo, which
    then produces empty (backtracks). There's named and anonymous
    labels.

  • tail call optimization (TCO), which allows efficient recursion in jq

  • a variety of new control structure builtins (e.g., while(cond; exp), repeat(exp), until(cond; next)), many of which internally use TCO

  • an enhanced form of reduce: foreach exp as $name (init_exp; update_exp; extract_exp)

  • the ability to read module data files

    import "foo/bar" as $bar; # read foo/bar.json, bind to $bar::bar

  • --argjson var '<JSON text>'

    Using --arg var bit me too many times :)

  • --slurpfile var "filename"

    Replaces the --argfile form (which is now deprecated but remains for backward compatibility).

  • support for application/json-seq (RFC7464)

  • a large variety of new utility functions, many being community contributions (e.g., bsearch, for binary searching arrays)

  • datetime functions

  • a variety of performance enhancements

  • def($a): ...; is now allowed as an equivalent of def(a): a as $a | ...;

  • test and build improvements, including gcov support

Lastly, don't forget the wiki! The wiki has a lot of new content since 1.4, much of it contributed by the community.

Assets 9
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1.5 release candidate 1

01 Jan 02:54
@nicowilliams nicowilliams
jq-1.5rc1
902aa39
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1.5 release candidate 1 Pre-release
Pre-release

Salient new features since 1.4:

  • regexp support (using Oniguruma)

  • an online streaming parser

    Included is the ability to control reading of inputs from the jq
    program, using the new input and inputs builtins.

    Finally we can write:

    jq -n 'reduce inputs as $i ( ... )' # reduce online!

    to reduce inputs without slurping them first. This works with
    streaming too.

  • try/catch, for catching and handling errors (this makes for a dynamic non-local exit system)

  • a lexical non-local exit system

    Using try/catch to break out of control structures was not a good
    thing. A lexical mechanism is.

    You can now say

    label $foo | ..... | break $foo

    where the break causes control to return to the label $foo, which
    then produces empty (backtracks). There's named and anonymous
    labels.

  • tail call optimization (TCO), which allows efficient recursion in jq

  • a variety of new control structure builtins (e.g., while(cond; exp), repeat(exp), until(cond; next))

  • an enhanced form of reduce: foreach exp as $name (init_exp; update_exp; extract_exp)

  • a proper module system

    import "foo/bar" as bar; # import foo/bar.jq's defs into a bar::* namespace

  • the ability to read module data files

    import "foo/bar" as $bar; # read foo/bar.json, bind to $bar::bar

  • --argjson var '<JSON text>'

    Using --arg var bit me too many times :)

  • --in-place / -i for in-place editing of files

  • support for application/json-seq.

  • a variety of new utility functions, many being community contributions

  • a variety of performance enhancements (e.g., constant folding)

  • def($a): ...; is now allowed as an equivalent of def(a): a as $a | ...;

Lastly, don't forget the wiki! It has a lot of new content since 1.4, much of it contributed by the community.

Assets 7
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jq 1.4

08 Aug 05:00
@dtolnay dtolnay
jq-1.4
e73951f
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jq 1.4

The manual for jq 1.4 can be found at https://stedolan.github.io/jq/manual/v1.4/

Assets 11
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jq 1.3

08 Aug 05:03
@dtolnay dtolnay
jq-1.3
0535e72
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jq 1.3

The manual for jq 1.3 can be found at https://stedolan.github.io/jq/manual/v1.3/

Assets 8
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