mirror of
https://github.com/wader/fq.git
synced 2024-10-04 07:27:08 +03:00
e3ae1440c9
Feels less cluttered, easier to read and more consistent. Still keep tovalue, tobytes etc that are more basic functions this only renamed format related functions. Also there is an exceptin for to/fromjson as it comes from jq. Also fixes lots of spelling errors while reading thru.
39 lines
1.1 KiB
Bash
Executable File
39 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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FQ="$1"
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c() {
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echo -e "\x1b[97m# $1\x1b[0m"
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}
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s() {
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echo "\$ $1"
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sh -c "${1/fq/$FQ -o unicode=true -C}"
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}
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c "Overview of mp3 file"
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s "fq . file.mp3"
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echo
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c "Show ID3v2 tag inside mp3 file"
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s "fq '.headers[0]' file.mp3"
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echo
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c "Show encoder software used"
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s "fq -r '.frames[0].tag.encoder | tovalue' file.mp3"
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echo
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c "Decode at two offsets as mp3_frame and show bitrate"
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s "fq -d bytes '.[0xb79,0xc49:] | mp3_frame.header.bitrate' file.mp3"
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echo
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c "Extract PNG file"
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s "fq '.headers[].frames[] | select(.id == \"APIC\")?.picture | tobits' file.mp3 >file.png"
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s "file file.png"
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rm -f file.png
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echo
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c "Resolution of embedded PNG cover art as YAML"
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s "fq -r '.headers[0].frames[] | grep_by(.id == \"APIC\") | grep_by(.type == \"IHDR\") | {res: {width, height}} | to_yaml' file.mp3"
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#echo
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c "Add query parameter to URL"
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s "echo 'http://host?a=b' | fq -Rr 'from_url | .query.b = \"a b c\" | to_url'"
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echo
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c "Extract JSON and base64 encoded query parameter p"
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s "echo 'https://host?p=eyJhIjoiaGVsbG8ifQ%3D%3D' | fq -R 'from_url.query.p | from_base64 | fromjson'"
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