Pinnwand: Updated handling of binary files
Reworked for better handling of binary files. Added an option to list valid expiry times.
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134
pinnwand/gist.sh
134
pinnwand/gist.sh
@ -1,15 +1,35 @@
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#!/bin/bash
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# SPDX-License-Identifier: GPL-3.0-or-later
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###
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# Paste to a Pinnwand pastebin service
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#
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# This script uploads text content from files or stdin to a Pinnwand
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# pastebin instance. It supports specifying expiry times, lexers for
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# syntax highlighting.
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#
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# Features:
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# - Upload content from files or stdin
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# - Specify expiry times and lexers for syntax highlighting
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# - Supports autodetection (if enabled by the server) or explicit
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# lexer selection
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#
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# Dependencies:
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# - curl: For sending HTTP requests to the Pinnwand API
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# - jq: For parsing JSON responses and encoding input
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# - file: For binary file detection
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#
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# SPDX-License-Identifier: CC0-1.0
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###
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# Base URL of the Pinnwand instance
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PINNWAND_BASE_URL="https://gist.tnonline.net/api/v1"
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PINNWAND_BASE_URL="${PINNWAND_BASE_URL:-https://gist.tnonline.net/api/v1}"
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PASTE_URL="${PINNWAND_BASE_URL}/paste"
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LEXER_URL="${PINNWAND_BASE_URL}/lexer"
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# Default options
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expiry="1day"
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lexer="text"
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lexer="autodetect"
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# Function to show help information
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show_help() {
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@ -19,10 +39,13 @@ show_help() {
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Usage: $s [options] [file1 file2 ...]
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Options:
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-e, --expiry <expiry> Set the expiry time for the paste (e.g., 1day, 1hour).
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Default is '1day' if not specified.
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-e, --expiry <expiry> Set the expiry time for the paste (e.g., 1day,
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1hour). Default is '1day' if not specified.
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--expiries List valid expiry periods.
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-l, --lexer <lexer> Specify the lexer to use for syntax highlighting.
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--lexers List all available lexers in 'name : description' format.
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Default is 'autodetect' if not specified.
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--lexers List all available lexers in 'name : description'
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format.
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-h, --help Show this help message and exit.
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Examples:
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@ -33,18 +56,13 @@ END
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exit 0
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}
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# Function to check if a file or input is binary
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is_binary() {
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local input="$1"
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if [[ -f "$input" ]]; then
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# If input is a file, check directly with file command
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[[ "$(file --mime-encoding -b -L "$input")" == "binary" ]]
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else
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# If input is from stdin, use grep to check for binary content
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grep -qI . <<< "$input"
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return $? # Return 0 for text, non-zero for binary
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fi
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# Use the `file` command to check if the input is binary
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[[ "$(file --mime-encoding -b -L "$input")" == "binary" ]]
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}
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# Function to post content to Pinnwand
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@ -53,7 +71,14 @@ post_to_pinnwand() {
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local lexer="$2"
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shift 2
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local files=("$@")
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# Create temporary files for payload and response
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tmp_payload=$(mktemp 2>/dev/null) || { echo "Error: Failed to create a temporary file for payload"; exit 1; }
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tmp_response=$(mktemp 2>/dev/null) || { echo "Error: Failed to create a temporary file for response"; rm -f "$tmp_payload"; exit 1; }
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tmp_status=$(mktemp 2>/dev/null) || { echo "Error: Failed to create a temporary file for status code"; rm -f "$tmp_payload" "$tmp_response"; exit 1; }
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tmp_stdin=$(mktemp 2>/dev/null) || { echo "Error: Failed to create a temporary file for stdin"; rm -f "$tmp_payload" "$tmp_response" "$tmp_status"; exit 1; }
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trap 'rm -f "$tmp_payload" "$tmp_response" "$tmp_status" "$tmp_stdin"' EXIT
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# Prepare files array for JSON
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files_json="["
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@ -61,13 +86,12 @@ post_to_pinnwand() {
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# Add each file to the JSON array
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for file in "${files[@]}"; do
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if [[ -f "$file" ]]; then
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# Check if the file is binary
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if is_binary "$file"; then
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echo "Error: $file is a binary file. Only text files are allowed."
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exit 1
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fi
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content=$(<"$file" jq -Rs .) # Read and JSON-encode file content
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files_json+="{\"name\":\"$(basename "$file")\",\"lexer\":\"$lexer\",\"content\":$content},"
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else
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@ -76,31 +100,55 @@ post_to_pinnwand() {
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fi
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done
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else
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# If no files were provided, read from stdin
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stdin_content=$(cat | jq -Rs .) # Read and JSON-encode stdin content
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# Write stdin to a temp file
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cat > "$tmp_stdin"
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# Check if stdin content is binary
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if is_binary "$stdin_content"; then
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if is_binary "$tmp_stdin"; then
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echo "Error: Input from stdin is binary. Only text content is allowed."
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exit 1
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fi
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# Read and JSON-encode stdin content
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stdin_content=$(<"$tmp_stdin" jq -Rs .)
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files_json+="{\"name\":\"stdin\",\"lexer\":\"$lexer\",\"content\":$stdin_content},"
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fi
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# Remove trailing comma and close array
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files_json="${files_json%,}]"
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response=$(curl -s -X POST "$PASTE_URL" \
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-H "Content-Type: application/json" \
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-d '{"expiry":"'"$expiry"'","files":'"$files_json"'}' )
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echo '{"expiry":"'"$expiry"'","files":'"$files_json"'}' > "$tmp_payload"
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# Send the payload using curl and save the response and HTTP status separately
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curl -s -o "$tmp_response" -w "%{http_code}" -X POST "$PASTE_URL" \
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-H "Content-Type: application/json" --data @"$tmp_payload" > "$tmp_status"
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# Extract link and removal URLs from the response
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link=$(echo "$response" | jq -r '.link')
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removal=$(echo "$response" | jq -r '.removal')
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# Extract HTTP status code and response body
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http_code=$(<"$tmp_status")
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response_body=$(<"$tmp_response")
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# Check if the response contains a URL
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if [[ "$response" == null ]]; then
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echo "Error: Could not create paste"
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# Ensure http_code is a valid number
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if ! [[ "$http_code" =~ ^[0-9]{3}$ ]]; then
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echo "Error: Failed to parse HTTP status code. Raw response:"
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cat "$tmp_response"
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exit 1
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fi
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# Check if the HTTP status code indicates success
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if [[ "$http_code" -ne 200 ]]; then
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echo "Error: Failed to create paste (HTTP $http_code). Response body:"
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echo "$response_body"
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exit 1
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fi
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# Extract link and removal URLs from the response body
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link=$(echo "$response_body" | jq -r '.link')
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removal=$(echo "$response_body" | jq -r '.removal')
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# Check if the response contains valid URLs
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if [[ -z "$link" || "$link" == "null" ]]; then
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echo "Error: Could not create paste. API response:"
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echo "$response_body"
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exit 1
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else
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echo "Paste URL: $link"
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@ -108,6 +156,22 @@ post_to_pinnwand() {
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fi
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}
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# Function to fetch and list available expiry times
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list_expiries() {
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local expiries
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# Fetch expiry options from the API
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expiries=$(curl -s "$PINNWAND_BASE_URL/expiry" | jq -r 'keys_unsorted | join(" ")' 2>/dev/null)
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if [[ -z "$expiries" ]]; then
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echo "Error: Unable to fetch valid expiry options from the server."
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exit 1
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fi
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echo "Valid expiry times: $expiries"
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exit 0
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}
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# Function to list available lexers
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list_lexers() {
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curl -s "$LEXER_URL" | jq -r '.'
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@ -118,16 +182,27 @@ list_lexers() {
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while [ "$#" -gt 0 ]; do
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case $1 in
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-e|--expiry)
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if [[ -z "$2" || "$2" == -* ]]; then
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echo "Error: The --expiry option requires a value."
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exit 1
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fi
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expiry="$2"
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shift 2
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;;
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-l|--lexer)
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if [[ -z "$2" || "$2" == -* ]]; then
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echo "Error: The --lexer option requires a value."
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exit 1
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fi
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lexer="$2"
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shift 2
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;;
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--lexers)
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list_lexers
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;;
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--expiries)
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list_expiries
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;;
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-h|--help)
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show_help
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;;
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@ -142,3 +217,4 @@ files=("$@")
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# Post content from provided files or stdin
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post_to_pinnwand "$expiry" "$lexer" "${files[@]}"
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