docker_build_hashref.sh - runs docker build and auto-generates docker image name and tag from relative Git path and commit short SHA hashref and a dirty sha suffix if git contents are modified. Useful to compare docker image sizes between your clean and modified versions of Dockerfile or cont...
when read. (But the catch is, the file only $ # exists while the command runs, and it's not a normal file, so the contents $ # isn't stored on disk.) $ # We can see this if we echo the the substitution: $ echo This is the substitution result: <(printf "Hi!") This is ...
The form ${UID_MIN:-1000} means set the value as 1000 if it would otherwise be null or unset.5 remove mention other answer Source Link Full edited Mar 7, 2018 at 18:51 user1404316 edited Mar 7, 2018 at 18:51 user1404316 3.1k 14 23 Inline Side-by-side Side-by-side Ma...
static inline void trap_if_untrapped (sig, command) int sig; char *command; { if ((sigmodes[sig] & SIG_TRAPPED) == 0) set_signal (sig, command); } void set_debug_trap (command) char *command; { set_signal (DEBUG_TRAP, command); } /* Separate function to...
echo hello; echo there if [ -x "$filename" ]; then # 注意在分号以后有一个空格 #+ ^^ echo "File $filename exists."; cp $filename $filename.bak else # ^^ echo "File $filename not found."; touch $filename fi; echo "File test complete."...
if test $size_found -eq 0; then SIZE=: fi IFS=$save_IFS fi fi AC_SUBST(SIZE) dnl Turn on any extensions available in the GNU C library. AC_DEFINE(_GNU_SOURCE, 1) dnl C compiler characteristics AC_C_CONST AC_C_INLINE ...
[INFO ] unlinking keyring file /var/lib/ceph/tmp/ceph-omv1.mon.keyring ==> omv1: [omv1][DEBUG ] create a done file to avoid re-doing the mon deployment ==> omv1: [omv1][DEBUG ] create the init path if it does not exist ==> omv1: [omv1][DEBUG ] locating the `service`...
Interpret each name as a regular expression. If a name matches any part of a page name, a match will be made. This option causes whatis to be somewhat slower due to the nature of database searches. -w,--wildcard Interpret each name as a pattern containing shell style wildcards. For ...
Absolute Path- Points to the full path for the file starting from the top of the hierarchy(/). For example, if you have the script named"first_script.sh"under your desktop then the absolute path will be"/home/username/Desktop/first_script.sh". ...
acpi_available Check if ACPI(Advanced Configuration and Power Interface) functionality exists on the system. acpid Informs user-space programs about ACPI events. addr2line Used to convert addresses into file names and line numbers. addresses Formats for internet mail addresses. agetty An alternative ...