shell编程-语系变量和位置变量

• 使用locale -a | more 查看linux支持的所有语系

[root@izwz97473w2ydu1pgsmzk4z ~]# locale -a | more
aa_DJ
aa_DJ.iso88591
aa_DJ.utf8
aa_ER
aa_ER@saaho
aa_ER.utf8
aa_ER.utf8@saaho
aa_ET
aa_ET.utf8
af_ZA
af_ZA.iso88591
af_ZA.utf8
am_ET
am_ET.utf8
an_ES
an_ES.iso885915
an_ES.utf8
ar_AE
ar_AE.iso88596
ar_AE.utf8
ar_BH
ar_BH.iso88596
ar_BH.utf8
ar_DZ
ar_DZ.iso88596
ar_DZ.utf8
ar_EG
ar_EG.iso88596
ar_EG.utf8
ar_IN
ar_IN.utf8
ar_IQ
ar_IQ.iso88596
ar_IQ.utf8
ar_JO
ar_JO.iso88596
ar_JO.utf8
ar_KW
ar_KW.iso88596
ar_KW.utf8
ar_LB
ar_LB.iso88596
ar_LB.utf8
ar_LY
ar_LY.iso88596
ar_LY.utf8
ar_MA
ar_MA.iso88596
ar_MA.utf8
ar_OM
ar_OM.iso88596
ar_OM.utf8
ar_QA
ar_QA.iso88596
ar_QA.utf8
ar_SA
ar_SA.iso88596
ar_SA.utf8
ar_SD
ar_SD.iso88596
ar_SD.utf8
ar_SY
ar_SY.iso88596
ar_SY.utf8
ar_TN
ar_TN.iso88596
ar_TN.utf8
ar_YE
ar_YE.iso88596
ar_YE.utf8
as_IN
as_IN.utf8
ast_ES
ast_ES.iso885915
ast_ES.utf8
ayc_PE
ayc_PE.utf8
az_AZ
az_AZ.utf8
be_BY
be_BY.cp1251
be_BY@latin
be_BY.utf8
be_BY.utf8@latin
bem_ZM
bem_ZM.utf8
ber_DZ
ber_DZ.utf8
ber_MA
ber_MA.utf8
bg_BG
bg_BG.cp1251
bg_BG.utf8
bho_IN
bho_IN.utf8
bn_BD
bn_BD.utf8
bn_IN
bn_IN.utf8
bo_CN
bo_CN.utf8
bo_IN
bo_IN.utf8
bokmal
bokm
br_FR
br_FR@euro
br_FR.iso88591
br_FR.iso885915@euro
br_FR.utf8
brx_IN
brx_IN.utf8
bs_BA
bs_BA.iso88592
bs_BA.utf8
byn_ER
byn_ER.utf8
C
ca_AD
ca_AD.iso885915
ca_AD.utf8
ca_ES
ca_ES@euro
ca_ES.iso88591
ca_ES.iso885915@euro
ca_ES.utf8
ca_FR
ca_FR.iso885915
ca_FR.utf8
ca_IT
ca_IT.iso885915
ca_IT.utf8
catalan
crh_UA
crh_UA.utf8
croatian
csb_PL
csb_PL.utf8
cs_CZ
cs_CZ.iso88592
cs_CZ.utf8
cv_RU
cv_RU.utf8
cy_GB
cy_GB.iso885914
cy_GB.utf8
czech
da_DK
da_DK.iso88591
da_DK.iso885915
da_DK.utf8
danish
dansk
de_AT
de_AT@euro
de_AT.iso88591
de_AT.iso885915@euro
de_AT.utf8
de_BE
de_BE@euro
de_BE.iso88591
de_BE.iso885915@euro
de_BE.utf8
de_CH
de_CH.iso88591
de_CH.utf8
de_DE
de_DE@euro
de_DE.iso88591
de_DE.iso885915@euro
de_DE.utf8
de_LU
de_LU@euro
de_LU.iso88591
de_LU.iso885915@euro
de_LU.utf8
deutsch
doi_IN
doi_IN.utf8
dutch
dv_MV
dv_MV.utf8
dz_BT
dz_BT.utf8
eesti
el_CY
el_CY.iso88597
el_CY.utf8
el_GR
el_GR@euro
el_GR.iso88597
el_GR.iso88597@euro
el_GR.utf8
en_AG
en_AG.utf8
en_AU
en_AU.iso88591
en_AU.utf8
en_BW
en_BW.iso88591
en_BW.utf8
en_CA
en_CA.iso88591
en_CA.utf8
en_DK
en_DK.iso88591
en_DK.utf8
en_GB
en_GB.iso88591
en_GB.iso885915
en_GB.utf8
en_HK
en_HK.iso88591
en_HK.utf8
en_IE
en_IE@euro
en_IE.iso88591
en_IE.iso885915@euro
en_IE.utf8
en_IN
en_IN.utf8
en_NG
en_NG.utf8
en_NZ
en_NZ.iso88591
en_NZ.utf8
en_PH
en_PH.iso88591
en_PH.utf8
en_SG
en_SG.iso88591
en_SG.utf8
en_US
en_US.iso88591
en_US.iso885915
en_US.utf8
en_ZA
en_ZA.iso88591
en_ZA.utf8
en_ZM
en_ZM.utf8
en_ZW
en_ZW.iso88591
en_ZW.utf8
es_AR
es_AR.iso88591
es_AR.utf8
es_BO
es_BO.iso88591
es_BO.utf8
es_CL
es_CL.iso88591
es_CL.utf8
es_CO
es_CO.iso88591
es_CO.utf8
es_CR
es_CR.iso88591
es_CR.utf8
es_CU
es_CU.utf8
es_DO
es_DO.iso88591
es_DO.utf8
es_EC
es_EC.iso88591
es_EC.utf8
es_ES
es_ES@euro
es_ES.iso88591
es_ES.iso885915@euro
es_ES.utf8
es_GT
es_GT.iso88591
es_GT.utf8
es_HN
es_HN.iso88591
es_HN.utf8
es_MX
es_MX.iso88591
es_MX.utf8
es_NI
es_NI.iso88591
es_NI.utf8
es_PA
es_PA.iso88591
es_PA.utf8
es_PE
es_PE.iso88591
es_PE.utf8
es_PR
es_PR.iso88591
es_PR.utf8
es_PY
es_PY.iso88591
es_PY.utf8
es_SV
es_SV.iso88591
es_SV.utf8
estonian
es_US
es_US.iso88591
es_US.utf8

看PPT是有默认语系配置文件的，但是我的电脑上是没有的。

• 安装中文字体

• 演示

[root@izwz97473w2ydu1pgsmzk4z shell]# cd ..
[root@izwz97473w2ydu1pgsmzk4z code]# chmod 755 shell/
[root@izwz97473w2ydu1pgsmzk4z code]# cd shell/
[root@izwz97473w2ydu1pgsmzk4z shell]# ./my1.sh 11 22 33
-bash: ./my1.sh: Permission denied
[root@izwz97473w2ydu1pgsmzk4z shell]# chmod 755 my1.sh 
[root@izwz97473w2ydu1pgsmzk4z shell]# ./my1.sh 11 22 33
798

• $\ast 与$@的区别

[root@izwz97473w2ydu1pgsmzk4z shell]# ./my2.sh 11 33 22 44
11 33 22 44
11
33
22
44

 - 这里必须要注意的是，只有使用-e才会识别\n换行符

#############################################################################################
# File Name: read.sh
# Author: Finley
# mail: 2206952220@qq.com
# Create Time: Mon 12 Aug 2019 08:05:11 PM CST
#====================================================================================
#!/bin/bash

read -p "please input your name: " name
echo -e "\n$name"
read -p  "please input your age" -t 5 age
echo -e "\n$age"
read -p  "please input your address" -n 6 address
echo -e "\n$address"
read -p "please input your password " -s password
echo -e "\n$password"
~