bash-based Unix Shell Script: Difference between revisions
Jump to navigation
Jump to search
m (Text replacement - "-- ==" to "-- ==") |
m (Text replacement - ". ----" to ". ----") |
||
Line 3: | Line 3: | ||
** It cam make use of a [[Unix Utility]]. | ** It cam make use of a [[Unix Utility]]. | ||
* <B>See:</B> [[perl-based Script]]. | * <B>See:</B> [[perl-based Script]]. | ||
---- | ---- | ||
---- | ---- |
Latest revision as of 03:30, 24 September 2021
A bash-based Unix Shell Script is a Unix Shell Script based on the bash Shell Program.
- Context:
- It cam make use of a Unix Utility.
- See: perl-based Script.
References
Examples
- Redirecting stderr to stdout (and stdout to stderr)
$ (time sleep 1) 2>&1 | grep real $ (time sleep 1) 3>&1 1>&2 2>&3 | grep real
- Looping
$ loop="true" ; $ while [ "$loop" == "true" ]; do sleep 2; \ up=`uptime | awk '{print $8}'|sed "s/,//"| sed "s/\.//" | bc`; \ echo "$up "; if [ $up -le 7]; then loop="false"; fi; done