Bash:从ls命令格式化for循环内部的结果
为什么Bash:从ls命令格式化for循环内部的结果,bash,for-loop,ssh,ls,Bash,For Loop,Ssh,Ls,为什么echo“Line$Line”中的附加“Line”没有预先添加到for循环中的所有文件中? #!/bin/bash INPUT=targets.csv IFS="," [ ! -f $INPUT ] && { echo "$INPUT file not found"; exit 99; } while read target user password path do result=$(sshpass -p "$password" ssh -n "$user"@
echo“Line$Line”
中的附加“Line”没有预先添加到for循环中的所有文件中?#!/bin/bash
INPUT=targets.csv
IFS=","
[ ! -f $INPUT ] && { echo "$INPUT file not found"; exit 99; }
while read target user password path
do
result=$(sshpass -p "$password" ssh -n "$user"@"$target" ls "$path"*file* 2>/dev/null)
if [ $? -ne 0 ]
then
echo "No Heap dumps detected."
else
echo "Found a Heap dump! Possible OOM issue detected"
for line in $result
do
echo "Line $line"
done
fi
done < $INPUT
脚本输出
rob@laptop:~/scripts$ ./checkForHeapdump.sh
Found a Heap dump! Possible OOM issue detected
Line file1.txt
file2.txt
声明:
for line in $result
对$result
执行分词,以获取$line
应设置为的每个元素。分词使用$IFS
中的分隔符。在脚本前面,您将其设置为仅,
。因此,此循环将迭代$result
中以逗号分隔的数据。因为里面没有逗号,所以它只是一个元素
如果要按行拆分,请执行以下操作:
IFS="
"
for line in $result
IFS="
"
for line in $result