70279c017e
Add -u flag to GNU date command in get_iso_timestamp() to match the macOS implementation and function documentation. Both platforms now consistently return UTC timestamps in YYYY-MM-DDTHH:MM:SS+00:00 format. Before: date -Iseconds (returned local time on Linux) After: date -u -Iseconds (returns UTC on Linux)
41 lines
1.2 KiB
Bash
41 lines
1.2 KiB
Bash
#!/usr/bin/env bash
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# date_utils.sh - Cross-platform date utility functions
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# Provides consistent date formatting and arithmetic across GNU (Linux) and BSD (macOS) systems
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# Get current timestamp in ISO 8601 format with seconds precision
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# Returns: YYYY-MM-DDTHH:MM:SS+00:00 format
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get_iso_timestamp() {
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local os_type
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os_type=$(uname)
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if [[ "$os_type" == "Darwin" ]]; then
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# macOS (BSD date)
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# Use manual formatting and add colon to timezone offset
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date -u +"%Y-%m-%dT%H:%M:%S%z" | sed 's/\(..\)$/:\1/'
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else
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# Linux (GNU date) - use -u flag for UTC
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date -u -Iseconds
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fi
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}
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# Get time component (HH:MM:SS) for one hour from now
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# Returns: HH:MM:SS format
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get_next_hour_time() {
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local os_type
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os_type=$(uname)
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if [[ "$os_type" == "Darwin" ]]; then
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# macOS (BSD date) - use -v flag for date arithmetic
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date -v+1H '+%H:%M:%S'
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else
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# Linux (GNU date) - use -d flag for date arithmetic
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date -d '+1 hour' '+%H:%M:%S'
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fi
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}
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# Get current timestamp in a basic format (fallback)
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# Returns: YYYY-MM-DD HH:MM:SS format
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get_basic_timestamp() {
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date '+%Y-%m-%d %H:%M:%S'
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}
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