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Self standard for Shell
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| # based on POSIX | |
| # POSIX in a nutshell: http://stackoverflow.com/questions/1780599/i-never-really-understood-what-is-posix | |
| # $(cmd) > `cmd` | |
| # ref: http://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xcu_chap02.html#tag_23_02_06_03 | |
| # check root | |
| if [[ $EUID -ne 0 ]]; then | |
| echo "Please grant permission!" | |
| fi |
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