langs a-z

Task/Integer-comparison/UNIX-Shell/integer-comparison-1.sh

@@ -0,0 +1,22 @@
+#!/bin/ksh
+# tested with ksh93s+
+
+builtin printf
+
+integer a=0
+integer b=0
+
+read a?"Enter value of a: " || { print -u2 "Input of a aborted." ; exit 1 ; }
+read b?"Enter value of b: " || { print -u2 "Input of b aborted." ; exit 1 ; }
+
+if (( a < b )) ; then
+    printf "%d is less than %d\n" a b
+fi
+if (( a == b )) ; then
+    printf "%d is equal to %d\n" a b
+fi
+if (( a > b )) ; then
+    printf "%d is greater than %d\n" a b
+fi
+
+exit 0

Task/Integer-comparison/UNIX-Shell/integer-comparison-2.sh

@@ -0,0 +1,20 @@
+#!/bin/ksh
+# tested with pdksh
+
+integer a=0
+integer b=0
+
+read a?"Enter value of a: " || { print -u2 "Input of a aborted." ; exit 1 ; }
+read b?"Enter value of b: " || { print -u2 "Input of b aborted." ; exit 1 ; }
+
+if (( a < b )) ; then
+    printf "%d is less than %d\n" $a $b
+fi
+if (( a == b )) ; then
+    printf "%d is equal to %d\n" $a $b
+fi
+if (( a > b )) ; then
+    printf "%d is greater than %d\n" $a $b
+fi
+
+exit 0

Task/Integer-comparison/UNIX-Shell/integer-comparison-3.sh

@@ -0,0 +1,9 @@
+read -p "Enter two integers: " a b
+
+if [ $a -gt $b ]; then comparison="greater than"
+elif [ $a -lt $b ]; then comparison="less than"
+elif [ $a -eq $b ]; then comparison="equal to"
+else comparison="not comparable to"
+fi
+
+echo "${a} is ${comparison} ${b}"