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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| #!/bin/bash | ||
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| # | ||
| # Wraps jq to be able to process CSV | ||
| # | ||
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| # Options | ||
| set -o errexit -o noglob -o nounset -o pipefail | ||
| shopt -s expand_aliases | ||
|
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| # Script name | ||
| declare -r SELF=${0##*/} | ||
|
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| # Format conversors | ||
| alias c2j=${0%$SELF}csv2json | ||
| alias j2c=${0%$SELF}json2csv | ||
| alias j2y=${0%$SELF}json2yaml | ||
|
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||
| # Show help | ||
| function help { | ||
| cat <<EOF | ||
| ${SELF} - commandline CSV processor | ||
| Usage: ${SELF} [options] <jq filter> [file] | ||
| ${SELF} is a wrapper to jq for processing CSV input, applying the given | ||
| filter to it CSV text input and producing the filter's results as | ||
| CSV or JSON on standard output. | ||
| The options available are ${SELF} specific and also from jq. The ${SELF} | ||
| options are: | ||
| -h Show this help | ||
| -C Output using CSV format (default) | ||
| -J Output using JSON format | ||
| -Y Output using YAML format | ||
| -V Output the jq version | ||
| Some of the jq options include: | ||
| -e set the exit status code based on the output | ||
| -f Read filter from the file f | ||
| -s read (slurp) all inputs into an array; apply filter to it | ||
| -S sort keys of objects on output | ||
| --arg a v set variable \$a to value v | ||
| --argjson a v set variable \$a to JSON value v | ||
| --slurpfile a f set variable \$a to an array of values read from f | ||
| Not all jq options have sense using ${SELF}. | ||
| For more advanced filters see the jq(1) manpage and | ||
| https://stedolan.github.io/jq | ||
| EOF | ||
| exit $(( $# == 0 )) | ||
| } | ||
|
|
||
| # Entry point | ||
| function main { | ||
| local -i json=0 yaml=0 | ||
|
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| local opt | ||
| while getopts :hJKVY-: opt; do | ||
| case $opt in | ||
| h) help ;; | ||
| C) ;; | ||
| J) json=1 ;; | ||
| Y) yaml=1 ;; | ||
| V) exec jq --version ;; | ||
| -) case $OPTARG in | ||
| help) help ;; | ||
| CSV|csv) ;; | ||
| JSON|json) json=1 ;; | ||
| YAML|yaml) yaml=1 ;; | ||
| *) OPTIND=$((OPTIND-1)) | ||
| break ;; # assume jq option | ||
| esac | ||
| ;; | ||
| ?) OPTIND=$((OPTIND-1)) | ||
| break ;; # assume jq option | ||
| esac | ||
| done | ||
|
|
||
| shift $((OPTIND-1)) | ||
| (( $# > 0 )) || help | ||
| [[ $1 == '--version' ]] && exec jq --version | ||
|
|
||
| # Is stdin a TTY? | ||
| if [[ -t 0 ]]; then | ||
| if (( $# >= 2 )); then | ||
| # Is the last parameter a regular file? | ||
| local last=${!#} | ||
| if [[ -f $last ]]; then | ||
| # reopen stdin | ||
| exec 0< "$last" | ||
| # remove last parameter | ||
| set -- "${@:1:$(($#-1))}" | ||
| fi | ||
| fi | ||
| fi | ||
|
|
||
| # Wrap jq | ||
| if (( json )); then | ||
| # Preserve JSON output | ||
| c2j | jq "$@" | ||
| elif (( yaml )); then | ||
| c2j | jq "$@" | j2y | ||
| else | ||
| c2j | jq "$@" | j2c | ||
| fi | ||
|
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| # Exit status is that of the last command executed. | ||
| exit | ||
| } | ||
|
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| # Call main | ||
| main "$@" | ||
|
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||
| # vim:ai:sw=4:ts=4:et:syntax=sh |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| #!/bin/bash | ||
|
|
||
| # | ||
| # Wraps jq to be able to process YAML | ||
| # | ||
|
|
||
| # Options | ||
| set -o errexit -o noglob -o nounset -o pipefail | ||
| shopt -s expand_aliases | ||
|
|
||
| # Script name | ||
| declare -r SELF=${0##*/} | ||
|
|
||
| # Format conversors | ||
| alias y2j=${0%$SELF}yaml2json | ||
| alias j2y=${0%$SELF}json2yaml | ||
| alias j2c=${0%$SELF}json2csv | ||
|
|
||
| # Show help | ||
| function help { | ||
| cat <<EOF | ||
| ${SELF} - commandline YAML processor | ||
| Usage: ${SELF} [options] <jq filter> [file] | ||
| ${SELF} is a wrapper to jq for processing YAML input, applying the given | ||
| filter to it YAML text input and producing the filter's results as | ||
| YAML or JSON on standard output. | ||
| The options available are ${SELF} specific and also from jq. The ${SELF} | ||
| options are: | ||
| -h Show this help | ||
| -J Output using JSON format | ||
| -C Output using CSV format | ||
| -Y Output using YAML format (default) | ||
| -V Output the jq version | ||
| Some of the jq options include: | ||
| -e set the exit status code based on the output | ||
| -f Read filter from the file f | ||
| -s read (slurp) all inputs into an array; apply filter to it | ||
| -S sort keys of objects on output | ||
| --arg a v set variable \$a to value v | ||
| --argjson a v set variable \$a to JSON value v | ||
| --slurpfile a f set variable \$a to an array of values read from f | ||
| Not all jq options have sense using ${SELF}. | ||
| For more advanced filters see the jq(1) manpage and | ||
| https://stedolan.github.io/jq | ||
| EOF | ||
| exit $(( $# == 0 )) | ||
| } | ||
|
|
||
| # Entry point | ||
| function main { | ||
| local -i json=0 csv=0 | ||
|
|
||
| local opt | ||
| while getopts :hCJKVY-: opt; do | ||
| case $opt in | ||
| h) help ;; | ||
| C) csv=1 ;; | ||
| J) json=1 ;; | ||
| Y) ;; | ||
| V) exec jq --version ;; | ||
| -) case $OPTARG in | ||
| help) help ;; | ||
| CSV|csv) csv=1 ;; | ||
| JSON|json) json=1 ;; | ||
| YAML|yaml) ;; | ||
| *) OPTIND=$((OPTIND-1)) | ||
| break ;; # assume jq option | ||
| esac | ||
| ;; | ||
| ?) OPTIND=$((OPTIND-1)) | ||
| break ;; # assume jq option | ||
| esac | ||
| done | ||
|
|
||
| shift $((OPTIND-1)) | ||
| (( $# > 0 )) || help | ||
| [[ $1 == '--version' ]] && exec jq --version | ||
|
|
||
| # Is stdin a TTY? | ||
| if [[ -t 0 ]]; then | ||
| if (( $# >= 2 )); then | ||
| # Is the last parameter a regular file? | ||
| local last=${!#} | ||
| if [[ -f $last ]]; then | ||
| # reopen stdin | ||
| exec 0< "$last" | ||
| # remove last parameter | ||
| set -- "${@:1:$(($#-1))}" | ||
| fi | ||
| fi | ||
| fi | ||
|
|
||
| # Wrap jq | ||
| if (( json )); then | ||
| # Preserve JSON output | ||
| y2j | jq "$@" | ||
| elif (( csv )); then | ||
| y2j | jq "$@" | j2c | ||
| else | ||
| y2j | jq "$@" | j2y | ||
| fi | ||
|
|
||
| # Exit status is that of the last command executed. | ||
| exit | ||
| } | ||
|
|
||
| # Call main | ||
| main "$@" | ||
|
|
||
| # vim:ai:sw=4:ts=4:et:syntax=sh |
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