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Copy path关系运算符.sh
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关系运算符.sh
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#!/usr/bin/env bash
x=10
if [[ -n $1 ]]; then
x=$1
fi
y=20
if [[ -n $2 ]]; then
y=$2
fi
echo "x=${x}, y=${y}"
if [[ ${x} -eq ${y} ]]; then
echo "${x} -eq ${y} : x 等于 y"
else
echo "${x} -eq ${y}: x 不等于 y"
fi
if [[ ${x} -ne ${y} ]]; then
echo "${x} -ne ${y}: x 不等于 y"
else
echo "${x} -ne ${y}: x 等于 y"
fi
if [[ ${x} -gt ${y} ]]; then
echo "${x} -gt ${y}: x 大于 y"
else
echo "${x} -gt ${y}: x 不大于 y"
fi
if [[ ${x} -lt ${y} ]]; then
echo "${x} -lt ${y}: x 小于 y"
else
echo "${x} -lt ${y}: x 不小于 y"
fi
if [[ ${x} -ge ${y} ]]; then
echo "${x} -ge ${y}: x 大于或等于 y"
else
echo "${x} -ge ${y}: x 小于 y"
fi
if [[ ${x} -le ${y} ]]; then
echo "${x} -le ${y}: x 小于或等于 y"
else
echo "${x} -le ${y}: x 大于 y"
fi
# Output:
# x=10, y=20
# 10 -eq 20: x 不等于 y
# 10 -ne 20: x 不等于 y
# 10 -gt 20: x 不大于 y
# 10 -lt 20: x 小于 y
# 10 -ge 20: x 小于 y
# 10 -le 20: x 小于或等于 y