< Shell练习题

检查指定shell脚本是否有语法错误

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写一个shell脚本，检查指定的shell脚本是否有语法错误，若有错误，首先显示错误信息，然后提示用户输入q或者Q退出脚本，输入其他内容则直接用vim打开该shell脚本。

提醒：检查shell脚本有没有语法错误的命令是 sh -n xxx.sh

参考脚本：
{{{密码回复可见}}}

2015-11-18 15:36 举报评分

全部回复( 130 )

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123

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面试题目看看

学习

bin/sh
read -p "pleas inside scrpert" a
sh -n $a 2>4.txt
if [ $? != 0 ]
then
echo "sh -n $a"
cat 4.txt
else
echo "the scper is ok"

看看。。。。

查看

look

{:4_92:}

#!/bin/bash
sh -n $1 2>/tmp/err
if [ $? -eq "0" ]
then
echo "The script is OK."
else
cat /tmp/err
read -p "Please inpupt Q/q to exit, or others to edit it by vim. " n
if [ $n == "q" -o $n == "Q" ]
then
      echo
      exit
else
      vim $1
fi
fi

学习

学习下

虽然还没学到 shell，先看看

芝麻开门///

learn

学习

{:4_91:}

shell

ddddddddd

#!/bin/bash
read -p "请输入要检查的脚本路径:" aa
script_dir=$aa
sh -n $script_dir 2>/root/debug.txt
if [ $? -ne 0 ]
then
echo "脚本语法错误是: `cat /root/debug.txt`"
else
echo "正"
fi

参考一下

看看看

学习

#!/bin/bash
read -p "please input the shell name": file1
touch 22.txt
sh -n $file1 2> 22.txt
#cat 22.txt
if [ -s 22.txt ]
then
/bin/cat 22.txt
read -p "please input Q or q to exit shell": a

  #  if [ "$a" = "Q" -o  "$a" = "q" ]  这种写法和下面这种写法都可以实现多条件IF
if [ "$a" = "Q" ] || [ "$a" = "q" ]
then
   exit
else
   vim $file1
fi
else
echo "$file1 is ok"
fi

正在学shell

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aaaaaa

看目的地

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学习

学习一下

本帖最后由 xueyongbo 于 2015-12-6 19:57 编辑

#!/bin/bash
# By xueyongbo
# 2015/12/6 19:00
read -p "please input yours shell scripts_dir:" scripts_dir
cd `dirname $scripts_dir`
while [ -f `basename $scripts_dir` ]
do
sh -n `basename $scripts_dir`
read -p 'input "q" or "Q" exit or input other keys to edit the sctipt:' comm
case "$comm" in
"q" | "Q")
exit
;;
*)
vim $scripts_dir
exit
;;
esac
done

答案

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{:4_92:}

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学习了！

look look

本帖最后由 qiaoxin360 于 2015-12-17 14:01 编辑

#!/bin/bash
read -p "where is your shell file:" n
if [ -f $n ];then
sh -n $n
if [ $? != 0 ];then
read -p "input q or Q to exit;input other to use VIM:" m
if [ $m == q || $m == Q ];then
exit
else
vim $n
fi
else
echo "sh -n check OK!"
fi
else
echo "error!no such file or not a file!"
fi

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学习

看

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本帖最后由 zql254 于 2016-1-5 22:46 编辑

sh -n $1 2> /tmp/e
if [ $? -eq 0 ];then
echo "The script is OK !"
else
cat /tmp/e
read -p "input q or Q:" n
if [ $n = q ]||[ $n = Q ];then
exit
else
vim $1
fi
fi

asd

学习

学习学习

学习

xuexi

用if 写的错误的时候OK，但是正确的时候发现无法自己退出

wildfire

#!/bin/bash
# to test the shell script true or false
if [[ $# -ne 1 ]];then
      echo "usage: $0 script_file"
else
      sh -n $1
fi
if [[ $? -ne 0 ]];then
      read -p "please enter the q or Q to exit the $1, or enter any other to v                                                                                     im the $1:" choice
      case $choice in
      q)

      ;;
      Q)

      ;;
      *)
            vim $1
      esac
else
      echo "the script of $1 is okay"
fi

faith

lin19890913

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syk

本帖最后由 syk 于 2016-1-26 16:00 编辑

#!/bin/bash
vim + $1
until bash -n $1 &> /dev/null; do
read -p "error, q|Q for quit,others for vim $1: " opt
case $opt in
   q|Q)
      echo "quit."
      exit 8
      ;;
   *)
      vim + $1
      ;;
esac
done
chmod +x $1

大漠之烟

{:4_91:}

lyhabc

本帖最后由 lyhabc 于 2016-1-27 18:06 编辑

写一个shell脚本，检查指定的shell脚本是否有语法错误，若有错误，首先显示错误信息，然后提示用户输入q或者Q退出脚本，输入其他内容则直接用vim打开该shell脚本。
提醒：检查shell脚本有没有语法错误的命令是  sh -n xxx.sh

vi check.sh
#!/bin/bash
sh -n $1  2>/tmp/err
if [ $? == 0 ]
then
   echo "The script is OK."
else
cat /tmp/err
read -p "pls input q exit the script or other to vi the script: " n
if [ $n == q ]
then
exit
elif [ ! -z $n ]
then
vi $1
fi
fi

KICAZ629

学习

zkq_315

#!/bin/bash

read -p "please input file :" a

if ! [ -e $a ];then
echo "qing shuru youxiao lujing"
exit 5
else
bash -n $a
fi
read -p "input q or Q :" b

if [ "$b" == "Q" ];then
exit 100
elif [ "$b" == "q" ];then
exit 101
else
vi $a
fi

miaojianbo

学习

初秋飞马

#!/bin/bash
# 2016-01-28 23:08:58
bash -n "$1" 2>/tmp/err
result=`grep error /tmp/err |wc -l`
if [ $result -lt 1 ]
then
exit
fi
while :
do
read -p "Input 'q' or 'Q' to quit :" choose
if [ "$choose" == "Q" ] || [ "$choose" == "q" ]
then
exit
else
vim "$1"
fi
done

看看

看

学习

看看

看看

本帖最后由 HMOM 于 2016-3-20 19:11 编辑

#!/bin/bash

/bin/bash -n $1 2>/tmp/err
if [ $? -eq 0 ];then
echo "The script maybe is OK."
  else
cat /tmp/err
read -p "The script has syntax errors. Enter[y] edit it [y]?" y
fi

case $y in
  y)
vim $1 ;;
  *)
exit
esac

学习

学习

read -p '输入脚本' i
sh -n $i 2>1.txt
if [ $? -nq "0" ]
then
cat 1.txt
read -p "输入q或Q退出" y
if [ $y =="q"||$y=="Q" ]
then
exit
else
vim $i
fi
fi
echo "ok"

duyanbin

#!/bin/bash

FILE=$1

[ $# -ne 1 ] && echo "Usage 10.sh sh_file" && exit

bash -n $FILE 2>/dev/null

if [ $? -ne 0 ] ; then
echo -e "\033[31mThere is an error:=================\033[0m"
bash -n $FILE
echo -e "\033[31m=======================\033[0m" #\033[31m用来显示红色
read -p "Please input your choice,q or Q to quit , others to edit the script ==>"
case $REPLY in
q|Q) exit ;;
*) vi $FILE
esac
else
echo -e "\033[32m$FILE syntax is ok!\033[0m"
fi

学习

1231213123

学习一下

{:4_91:}

{:4_92:}

本帖最后由 397705152 于 2016-4-22 16:13 编辑

#!/bin/bash
read -p "请输入一个脚本路径" a
sh -n $a
if [ $? -ne 0 ]
then
read -p "输入q或者Q退出，输入其他任意字符编辑该脚本" b
if [[ "$b" == "q" ]]||[[ "$b" == "Q" ]]
then
exit
else
vim $a
fi
else echo "脚本没有错误"
fi