WebTesting if $? is equal to 0 with an if statement is pointless, if expects a command and if said command returns 0, it runs the code in the block. so if true; then echo hello; fi will echo hello since the command true returned 0. – llua Feb 4, 2014 at 22:18 2 Web14 sep. 2024 · You can have as many ElseIf clauses as you want in an If ... Then ... Else statement, but no ElseIf clause can appear after an Else clause. If ... Then ... Else statements can be nested within each other. In the multiline syntax, the If statement must be the only statement on the first line.
Using IF with AND, OR and NOT functions - Microsoft …
Web12 nov. 2024 · You can use all the if else statements in a single line like this: if [ $ (whoami) = 'root' ]; then echo "root"; else echo "not root"; fi. You can copy and paste the above in … Webif test var -eq val then command executed successfully execute all commands up to else statement or to fi if there is no else statement else if command failed then execute all … port townsend prefab homes
KSH: IF condition issue: if test .... then vs if ... then
Webif test $# -ge $CMDLINEPARAM and add a ; if [ $# -ge $CMDLINEPARAM ]; then .... fi but maybe that is only required when you don't have a newline (I'm using above syntax with 0.60.3 on my initrd/linuxrc scripts) Cu, Goetz. Goetz Bock 20 years ago Post by rich_wilson at agilent.com () Try replacing [ ... ] with test. if test $# -ge $CMDLINEPARAM Web30 aug. 2010 · shell编程的标准条件语句 是这样的: if test "$1" = pogge then echo "Do you Like Sacred?" fi 很简单,但是你了解其中的机制吗? 1.在shell中每运行完一条命令,都会返 … Web8 apr. 2013 · if命令的参数组成一条子命令，如果该子命令. 的Exit Status为0（表示真），则执行then后面的子命令，如果Exit Status非0（表示假），则执行elif、else或者fi后面的 … ironfit triathlon