Commit | Line | Data |
---|---|---|
2ea4288a SBS |
1 | #!/bin/bash |
2 | ||
3 | # Desc: Template to check that apps, files, or dirs exist. | |
4 | # Author: Steven Baltaktei Sandoval | |
5 | # License: GPLv3+ | |
6 | ||
7 | #==BEGIN Define script parameters== | |
8 | #===BEGIN Declare local script functions=== | |
9 | timeUntilMidnight(){ | |
10 | # Desc: Report seconds until midnight | |
11 | # Output: stdout: seconds until midnight | |
12 | TIME_CURRENT="$(date --iso-8601=seconds)" ; # Produce `date`-parsable current timestamp with resolution of 1 second. | |
13 | TIME_CURRENT_SHORT="$(date -d "$TIME_CURRENT" +%Y%m%dT%H%M%S%z)" # Produce separator-less current timestamp with resolution 1 second. | |
14 | DATE_CURRENT="$(date -d "$TIME_CURRENT" --iso-8601=date)" ; # Produce `date`-parsable current timestamp with resolution of 1 day. | |
15 | DATE_CURRENT_SHORT="$(date -d "$TIME_CURRENT" +%Y%m%d)" ; # Produce separator-less current timestamp with resolution 1 day. | |
16 | DATE_TOMORROW="$(date -d "$TIME_CURRENT next day" --iso-8601=date)" ; # Produce timestamp of tomorrow's date (res. 1 day). | |
17 | TIME_NEXT_MIDNIGHT="$(date -d "$DATE_TOMORROW" --iso-8601=seconds)" ; # Produce `date`-parsable timestamp of closest future midnight (res. 1 second). | |
18 | SECONDS_UNTIL_NEXT_MIDNIGHT="$(( $(date +%s -d "$TIME_NEXT_MIDNIGHT") - $(date +%s -d "$TIME_CURRENT") ))" ; # Calculate seconds until closest future midnight (res. 1 second). | |
19 | echo "$SECONDS_UNTIL_NEXT_MIDNIGHT" 2>/dev/null; | |
20 | } # Report seconds until next midnight | |
21 | #===END Declare local script functions=== | |
22 | #==END Define script parameters== | |
23 | ||
24 | ||
25 | #==BEGIN sample code== | |
26 | echo "Time until next midnight (seconds):$(timeUntilMidnight)" | |
27 | #==END sample code== |