[ RGB Out ] - Detect if in tty
This commit is contained in:
Price Hiller
parent
0cbcda179f
commit
9e9e73400b
@ -1,104 +1,108 @@
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#!/bin/bash
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echo_rgb() {
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# Echo a colored string to the terminal based on rgb values
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#
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# Positional Arguments:
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#
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# message <type: string> <position: 1> <required: true>
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# - The message to be printed to stdout
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# red <type: int> <position: 2> <required: true>
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# - The red value from 0 to 255
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# green <type: int> <position: 3> <required: true>
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# - The green value from 0 to 255
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# blue <type: int> <position: 4> <required: true>
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# - The blue value from 0 to 255
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#
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# Usage:
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# echo_rgb "Yep" 10 8 30
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#
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# POSIX Compliant:
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# N/A
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#
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# Echo a colored string to the terminal based on rgb values
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#
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# Positional Arguments:
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#
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# message <type: string> <position: 1> <required: true>
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# - The message to be printed to stdout
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# red <type: int> <position: 2> <required: true>
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# - The red value from 0 to 255
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# green <type: int> <position: 3> <required: true>
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# - The green value from 0 to 255
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# blue <type: int> <position: 4> <required: true>
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# - The blue value from 0 to 255
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#
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# Usage:
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# echo_rgb "Yep" 10 8 30
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#
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# POSIX Compliant:
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# N/A
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#
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local red
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local green
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local blue
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local input
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local red
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local green
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local blue
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local input
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input="${1}"
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red="${2}"
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green="${3}"
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blue="${4}"
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input="${1}"
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red="${2}"
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green="${3}"
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blue="${4}"
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printf "\e[0;38;2;%s;%s;%sm%s\e[m\n" "${red}" "${green}" "${blue}" "${input}"
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if [ -t 1 ]; then
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printf "\e[0;38;2;%s;%s;%sm%s\e[m\n" "${red}" "${green}" "${blue}" "${input}"
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else
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printf "%s\n" "${input}"
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fi
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}
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log() {
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# Print a message and send it to stdout or stderr depending upon log level, also configurable with debug etc.
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#
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# Arguments:
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# level <type: string> <position: 1> <required: true>
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# - The log level, defined within a case check in this function
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# message <type: string> <position: 2> <required: true>
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# - The info message
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# line_number <type: int> <position: 3> <required: false>
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# - The line number of the calling function (${LINNO})
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#
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# Usage:
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# log "info" "Could not find that directory"
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#
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# POSIX Compliant:
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# Yes
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#
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# Print a message and send it to stdout or stderr depending upon log level, also configurable with debug etc.
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#
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# Arguments:
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# level <type: string> <position: 1> <required: true>
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# - The log level, defined within a case check in this function
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# message <type: string> <position: 2> <required: true>
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# - The info message
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# line_number <type: int> <position: 3> <required: false>
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# - The line number of the calling function (${LINNO})
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#
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# Usage:
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# log "info" "Could not find that directory"
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#
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# POSIX Compliant:
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# Yes
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#
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# Set debug status depending if a global debug variable has been set to either 1 or 0
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local debug
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if [ ${DEBUG} ]; then
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debug=${DEBUG}
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else
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debug=0
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fi
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# Set debug status depending if a global debug variable has been set to either 1 or 0
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local debug
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if [ ${DEBUG} ]; then
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debug=${DEBUG}
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else
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debug=0
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fi
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local FORMAT
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FORMAT="[$(echo_rgb "$(date +%Y-%m-%dT%H:%M:%S)" 180 140 255)]"
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local FORMAT
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FORMAT="[$(echo_rgb "$(date +%Y-%m-%dT%H:%M:%S)" 180 140 255)]"
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# Convert the level to uppercase
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local level
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level=$(echo "${1}" | tr '[:lower:]' '[:upper:]')
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# Convert the level to uppercase
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local level
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level=$(echo "${1}" | tr '[:lower:]' '[:upper:]')
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local message
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message="${2}"
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local message
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message="${2}"
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case "${level}" in
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case "${level}" in
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INFO)
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# Output all info log levels to stdout
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printf "${FORMAT}[$(echo_rgb "INFO" 0 140 255)] %s\n" "${message}" >&1
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return 0
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;;
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# Output all info log levels to stdout
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printf "${FORMAT}[$(echo_rgb "INFO" 0 140 255)] %s\n" "${message}" >&1
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return 0
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;;
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WARN | WARNING)
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# Output all warning log levels to stdout
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printf "${FORMAT}[$(echo_rgb "WARNING" 255 255 0)] %s\n" "${message}" >&1
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return 0
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;;
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# Output all warning log levels to stdout
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printf "${FORMAT}[$(echo_rgb "WARNING" 255 255 0)] %s\n" "${message}" >&1
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return 0
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;;
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DEBUG)
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# Output all debug log levels to stdout
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if [ "${DEBUG}" ]; then
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printf "${FORMAT}[$(echo_rgb "DEBUG" 0 160 110)] %s\n" "${message}" >&1
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fi
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return 0
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;;
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# Output all debug log levels to stdout
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if [ "${DEBUG}" ]; then
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printf "${FORMAT}[$(echo_rgb "DEBUG" 0 160 110)] %s\n" "${message}" >&1
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fi
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return 0
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;;
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ERROR)
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# Output all error log levels to stderr
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printf "${FORMAT}[$(echo_rgb "ERROR" 255 0 0)] %s\n" "${message}" >&2
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return 0
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;;
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# Output all error log levels to stderr
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printf "${FORMAT}[$(echo_rgb "ERROR" 255 0 0)] %s\n" "${message}" >&2
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return 0
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;;
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# Further log levels can be added by extending this switch statement with more comparisons
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*) # Default case, no matches
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# Returns non-zero code as an improper log option was passed, this helps with using `set -e`
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printf "${FORMAT}[ERROR] %s\n" "Invalid log level passed, received level \"${level}\" with message \"${message}\"" >&2
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return 1
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;;
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esac
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# Returns non-zero code as an improper log option was passed, this helps with using `set -e`
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printf "${FORMAT}[ERROR] %s\n" "Invalid log level passed, received level \"${level}\" with message \"${message}\"" >&2
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return 1
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;;
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esac
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}
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@ -1,115 +1,115 @@
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#!/bin/bash
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rgb() {
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# Echo a color printf to the terminal awaiting an actual echo to be colored
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# should be used with reset after coloring a string
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#
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# Positional Arguments:
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# red <type: int> <position: 1> <required: true>
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# - The red value from 0 to 255
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# green <type: int> <position: 2> <required: true>
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# - The green value from 0 to 255
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# blue <type: int> <position: 2> <required: true>
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# - The blue value from 0 to 255
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#
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# Usage:
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# echo_rgb 10 80 3 && echo "hello" && reset
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#
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# POSIX Compliant:
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# N/A
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#
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red="${1}"
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green="${2}"
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blue="${3}"
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rgb () {
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# Echo a color printf to the terminal awaiting an actual echo to be colored
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# should be used with reset after coloring a string
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#
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# Positional Arguments:
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# red <type: int> <position: 1> <required: true>
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# - The red value from 0 to 255
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# green <type: int> <position: 2> <required: true>
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# - The green value from 0 to 255
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# blue <type: int> <position: 2> <required: true>
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# - The blue value from 0 to 255
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#
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# Usage:
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# echo_rgb 10 80 3 && echo "hello" && reset
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#
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# POSIX Compliant:
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# N/A
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#
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red="${1}"
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green="${2}"
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blue="${3}"
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printf "\e[0;38;2;%s;%s;%sm" "${red}" "${green}" "${blue}"
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printf "\e[0;38;2;%s;%s;%sm" "${red}" "${green}" "${blue}"
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}
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echo_rgb() {
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# Echo a colored string to the terminal based on rgb values
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#
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# NOTE: This function will only truly work with terminals that support TRUE COLOR, see:
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# https://gist.github.com/XVilka/8346728
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#
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# Positional Arguments:
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#
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# message <type: string> <position: 1> <required: true>
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# - The message to be printed to stdout
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# red <type: int> <position: 2> <required: true>
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# - The red value from 0 to 255
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# green <type: int> <position: 3> <required: true>
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# - The green value from 0 to 255
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# blue <type: int> <position: 4> <required: true>
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# - The blue value from 0 to 255
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# bg_red <type: int> <position: 5> <required: false>
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# - The background red value from 0 to 255
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# bg_green <type: int> <position: 6> <required: false>
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# - The background green value from 0 to 255
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# bg_blue <type: int> <position: 7> <required: false>
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# - The background blue value from 0 to 255
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#
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# Usage:
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# echo_rgb "Yep" 10 80 30
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# echo_rgb "DESTROY MY EYES" 255 0 255 0 255 0
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#
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# POSIX Compliant:
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# N/A
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#
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# Echo a colored string to the terminal based on rgb values
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#
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# NOTE: This function will only truly work with terminals that support TRUE COLOR, see:
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# https://gist.github.com/XVilka/8346728
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#
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# Positional Arguments:
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#
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# message <type: string> <position: 1> <required: true>
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# - The message to be printed to stdout
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# red <type: int> <position: 2> <required: true>
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# - The red value from 0 to 255
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# green <type: int> <position: 3> <required: true>
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# - The green value from 0 to 255
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# blue <type: int> <position: 4> <required: true>
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# - The blue value from 0 to 255
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# bg_red <type: int> <position: 5> <required: false>
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# - The background red value from 0 to 255
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# bg_green <type: int> <position: 6> <required: false>
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# - The background green value from 0 to 255
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# bg_blue <type: int> <position: 7> <required: false>
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# - The background blue value from 0 to 255
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#
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# Usage:
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# echo_rgb "Yep" 10 80 30
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# echo_rgb "DESTROY MY EYES" 255 0 255 0 255 0
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#
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# POSIX Compliant:
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# N/A
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#
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local red
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local green
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local blue
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local input
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local red
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local green
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local blue
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local input
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local bg_red
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local bg_green
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local bg_blue
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local bg_red
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local bg_green
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local bg_blue
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input="${1}"
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red="${2}"
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green="${3}"
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blue="${4}"
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bg_red="${5}"
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bg_green="${6}"
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bg_blue="${7}"
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input="${1}"
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red="${2}"
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green="${3}"
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blue="${4}"
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bg_red="${5}"
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bg_green="${6}"
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bg_blue="${7}"
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for num in "${@:2}"; do
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[[ ! "${num}" =~ [0-9] ]] &&
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echo "Given RGB value was not a number, received ${num}" &&
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return 1
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[[ "${num}" -gt 255 ]] &&
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echo "Given RGB value must be less than 255, received ${num}" &&
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return 1
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[[ "${num}" -lt 0 ]] &&
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echo "Given RGB value must be more than 0, received ${num}" &&
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return 1
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done
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for num in "${@:2}"; do
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[[ ! "${num}" =~ [0-9] ]] \
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&& echo "Given RGB value was not a number, received ${num}" \
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&& return 1
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[[ "${num}" -gt 255 ]] \
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&& echo "Given RGB value must be less than 255, received ${num}" \
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&& return 1
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[[ "${num}" -lt 0 ]] \
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&& echo "Given RGB value must be more than 0, received ${num}" \
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&& return 1
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done
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if [ -n "${5}" ]; then
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[[ -z "${6}" ]] && echo "A value must be passed for bg_green" && return 1
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[[ -z "${7}" ]] && echo "A value must be passed for bg_blue" && return 1
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printf "\033[38;2;%s;%s;%s;48;2;%s;%s;%sm%s\033[m\n" \
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"${red}" "${green}" "${blue}" "${bg_red}" "${bg_green}" "${bg_blue}" "${input}"
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else
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printf "\033[0;38;2;%s;%s;%sm%s\033[m\n" "${red}" "${green}" "${blue}" "${input}"
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fi
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return 0
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if [ -t 1 ]; then
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if [ -n "${5}" ]; then
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[[ -z "${6}" ]] && echo "A value must be passed for bg_green" && return 1
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[[ -z "${7}" ]] && echo "A value must be passed for bg_blue" && return 1
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printf "\033[38;2;%s;%s;%s;48;2;%s;%s;%sm%s\033[m\n" \
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"${red}" "${green}" "${blue}" "${bg_red}" "${bg_green}" "${bg_blue}" "${input}"
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else
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printf "\033[0;38;2;%s;%s;%sm%s\033[m\n" "${red}" "${green}" "${blue}" "${input}"
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fi
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else
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printf "%s\n" "${input}"
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fi
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return 0
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}
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reset() {
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# Reset colors in the terminal to default
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#
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# Usage:
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# reset
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#
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# POSIX Compliant:
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# N/A
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#
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# Reset colors in the terminal to default
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#
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# Usage:
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# reset
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#
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# POSIX Compliant:
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# N/A
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#
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printf "\e[m\n"
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printf "\e[m\n"
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}
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