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See the following top of a script as an example for these types of lines: #!/usr/bin/ksh # Commentary file=/path/file if [[ $file = $1 ]];then command fi 21 Jan 2005 Korn shell also provides a built-in print function to replace the echo command. if command then block of statements else block of statements fi Yet the Korn shell, like the C and Bourne shells, has all the flow control abilities you if/else: Execute a list of statements if a certain condition is/is not true. A conditional expression is used with the [[ compound command to test attributes of files and to compare strings. If-Else Statement in Korn Shell. if [ Condition1 ] then block A1 elif [ Condition2 ] block A2 elif [ Condition3 ] block A3 elif [ Condition i-1 ] block Ai-1 else block Ai 18 Nov 2013 KSH offers program flow control using if conditional command. if statement runs a set of command if some condition is true. For example, if Are you looking for this? #!/bin/ksh if [[ -n $1 || -n $2 ]] && [[ $1 == "$2" || $1 == x ]]; Put the conditions in separate nested if statements. You should double quote your variables in [ ] conditions, or use the extended [[ ]] conditions (yes, a third type of condition). For numeric 17 Jun 2008 Korn shell scripting is something all UNIX users should learn how to use. Shell Conditional if statements start with if and end with the letters #!/usr/bin/ksh # if [ -f /path/to/target/file ] ; then echo "File exists" else echo I also include a true statement just before } || { for complex block,
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