myvar="string1,string2,string3" IFS=","read-a myarray <<< $myvar echo"My array: ${myarray[@]}" echo"My array: ${myarray[0]}" echo"My array: ${myarray[1]}" echo"My array: ${myarray[2]}" echo"Number of elements in the array: ${#myarray[@]}" 运行结果均为:...
This time you pipe the results of the cat command to awk (a pattern-scanning and processing language often used to split up variable-length fields), which essentially tokenizes the string. The –F option directs awk to use the equal sign as the delimiter. You then print the second token...
Conflicts: bash-completion < 1:2.1-1 # su(1) and runuser(1) merged into util-linux v2.22 Conflicts: coreutils < 8.20 # eject has been merged into util-linux v2.22 Obsoletes: eject <= 2.1.5 Provides: eject = 2.1.6
Array classes knows its own size, whereas C-style arrays lack this property. So when passing to functions, we don’t need to pass size of Array as a separate parameter. With C-style array there is more risk ofarray being decayed into a pointer.Array classes don’t decay into pointers A...
Protects the text inside them from being split into multiple words or arguments, yet allow substitutions to occur, meaning most other special characters is usually prevented. . Source command [period]. To evaluate commands in the current execution context. This is a bash builtin. └─> "As a...
BASH = bash KGZIP = gzip KBZIP2 = bzip2 KLZOP = lzop LZMA = lzma LZ4 = lz4c XZ = xz ZSTD = zstd PAHOLE_FLAGS = $(shell PAHOLE=$(PAHOLE) $(srctree)/scripts/pahole-flags.sh) CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ ...
This time you pipe the results of the cat command to awk (a pattern-scanning and processing language often used to split up variable-length fields), which essentially tokenizes the string. The –F option directs awk to use the equal sign as the delimiter. You then print the second token...
" -m -s "/bin/bash" hadoop -c name of user -m create /home/hadoop-s defaultshellusermod - -G sudo user # add user into sudo group Linux user login time control /etc/securitytime.conf -> define what where, who and when
To work around this issue, do not make bash or bash scripts setuid. 3.7.12-3.7.16, 4.0.0-4.4.5 2548310 When the system boots, we might see " cumulus systemd-udevd[7566]: Process ‘/usr/bin/hw-management-thermal-events.sh add thermal_zone /sys /devices/virtual/thermal/thermal_zone...
This time you pipe the results of the cat command to awk (a pattern-scanning and processing language often used to split up variable-length fields), which essentially tokenizes the string. The –F option directs awk to use the equal sign as the delimiter. You then print the second token...