[英]Various ways of splitting strings not respecting spaces and replacing with newlines in a bash script
[英]Bash script file read, bash deletes spaces
這個問題是我之前關於讀取文件某些行的問題的跟進。 我按如下方式讀取文件:
while read line
do
if [ "$line" == "SUMMARY OF POLARIZATION CALCULATION" ]; then
for i in {1..9}
do
read line
echo $line >> ../../Summary.out
done
break
fi
done < ../Tutorial1_1.out
看起來像這樣:
.
.
.
O (0.0000, 0.5000, 0.4834) sp(1) 6.00 [ 0.000000e+00, 1.884956e+01, 1.822516e+01]
---------------------------------------------------------------------------------------
Total ionic phase (rad) sp(1) [ 7.539822e+01, 7.539822e+01, 1.119960e+02]
Total ionic phase wrap. (rad) sp(1) [ 8.633172e-11, 8.633172e-11, -1.101384e+00]
Ionic polarization (C/m2) sp(1) [ 1.365657e-11, 1.365657e-11, -1.760570e-01]
=======================================================================================
SUMMARY OF POLARIZATION CALCULATION
=======================================================================================
Value | spin | dir(1) | dir(2) | dir(3)
---------------------------------------------------------------------------------------
Electronic polarization (C/m2) sp(1) [-8.783054e-12, -8.828765e-13, 4.803326e-01]
Ionic polarization (C/m2) sp(1) [ 1.365657e-11, 1.365657e-11, -1.760570e-01]
Tot. spin polariz.=Pion+Pel (C/m2) sp(1) [ 4.873517e-12, 1.277369e-11, 3.042756e-01]
---------------------------------------------------------------------------------------
TOTAL POLARIZATION (C/m2) both [ 4.873517e-12, 1.277369e-11, 3.042756e-01]
=======================================================================================
Completed using BerryPI version: +++Version 1.2 (Mar 12, 2014)
...
因此,上面的代碼僅在“ SUMMARY ..”之后采用9行,並寫入Summary.out文件。 但是,當它寫時,它弄亂了所有間距,所以我得到以下信息:
=======================================================================================
Value | spin | dir(1) | dir(2) | dir(3)
---------------------------------------------------------------------------------------
Electronic polarization (C/m2) sp(1) [-8.783054e-12, -8.828765e-13, 4.803326e-01]
Ionic polarization (C/m2) sp(1) [ 1.365657e-11, 1.365657e-11, -1.760570e-01]
Tot. spin polariz.=Pion+Pel (C/m2) sp(1) [ 4.873517e-12, 1.277369e-11, 3.042756e-01]
---------------------------------------------------------------------------------------
TOTAL POLARIZATION (C/m2) both [ 4.873517e-12, 1.277369e-11, 3.042756e-01]
=======================================================================================
我該如何解決,是否有一個標志可以完全按照輸入文件中的內容讀寫字符串?
我建議使用
echo "$line" >> ../../Summary.out
代替
echo $line >> ../../Summary.out
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