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bash - 损坏 : Elif in For loop with increment counter

转载 作者:行者123 更新时间:2023-12-03 02:12:26 24 4
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我编写了一个简短的脚本来生成一个格式化字符串,以便在 Macintalk 中进行音节合成。我想每 20 个音节插入一个静音,因此我编写了一个 for 循环,其中包含存储在临时文件中的计数器和嵌套的 elif 语句,该语句应该在每次计数器达到 20 时添加一个静音命令。计数器在达到 20 后重置20.

出于某种原因,我无法预测,仅在第一次发现条件为真时才访问 elif。换句话说:计数器第一次达到 20 时,它会插入静音命令、重置并继续循环。第二次计数器达到 20 时,elif 不再被访问并继续增长,直到 $k 达到最大值。

有人知道为什么这段代码不起作用吗?

编辑**这里是根据大众要求稍长的摘录=)

如果您想尝试重现,以下是文件的链接: syllables_phncode.txt cbsyllindx.txt

# Load Syllables
echo ''
echo 'Opening Syllable Transcription for Victoria'
echo ''
syllfile=./syllables_phncode.txt
syllables=$(cat $syllfile)
syllarray=()
counter=0;
# Create Indexed Array of Phonological Code for Syllables
for k in $syllables
do
echo $counter
echo $k
syllarray[counter]=$k
counter=$(($counter + 1));
done
# Load syllable index for stimulus stream
indxfile=./cbsyllindx.txt
indx=$(cat $indxfile)
stream=''
tempfile=count.tmp
echo 0 > $tempfile
echo '====================================================================================='
echo 'Counter Balanced Stimulus Order (Indexed by Syllables in Alphabetical Order)'
echo '====================================================================================='
echo $indx
echo '====================================================================================='
echo ''
echo 'Creating counterbalanced stimulus stream string with proper Macintalk formatting'
echo ''
for k in $indx
do
counter=$[$(cat $tempfile) + 1]
echo $counter > $tempfile
if [ $k -eq 0 ]; then
stream=$stream'@_'${syllarray[k]}
elif [ $counter -eq 20 ]; then
echo Adding Silence after syllable: ${syllarray[k]}
stream=$stream'_'${syllarray[k]}'[[ slnc 20 ]]'
echo 0 > $tempfile
else
stream=$stream'_'${syllarray[k]}
fi
done
unlink $tempfile
echo '------------------------------------------------------'
echo 'Printing Stream to Screen'
echo '------------------------------------------------------'
echo $stream

这是由该脚本创建的字符串:

_tUW_dAE_rOW_pIY_gOW_lAE@_bIY_kUW_tIY_tUW_dAE_rOW_pIY_gOW_lAE_bUW_dOW_pAE_pIY_gOW[[slnc20]]_lAE@_bIY_kUW_tIY_tUW_dAE_rOW_bUW_dOW_pAE@_bIY_kUW_tIY_pIY_gOW_lAE_bUW_dOW_pAE@_bIY_kUW_tIY_pIY_gOW_lAE_tUW_dAE_rOW@_bIY_kUW_tIY_bUW_dOW_pAE_pIY_gOW_lAE_tUW_dAE_rOW_bUW_dOW_pAE_tUW_dAE_rOW@_bIY_kUW_tIY_bUW_dOW_pAE_pIY_gOW_lAE@_bIY_kUW_tIY_tUW_dAE_rOW_pIY_gOW_lAE_bUW_dOW_pAE@_bIY_kUW_tIY_pIY_gOW_lAE_tUW_dAE_rOW@_bIY_kUW_tIY_pIY_gOW_lAE_tUW_dAE_rOW@_bIY_kUW_tIY_bUW_dOW_pAE_pIY_gOW_lAE_bUW_dOW_pAE@_bIY_kUW_tIY_tUW_dAE_rOW_bUW_dOW_pAE_pIY_gOW_lAE@_bIY_kUW_tIY_bUW_dOW_pAE_tUW_dAE_rOW_bUW_dOW_pAE_tUW_dAE_rOW_bUW_dOW_pAE@_bIY_kUW_tIY_pIY_gOW_lAE_bUW_dOW_pAE@_bIY_kUW_tIY_tUW_dAE_rOW@_bIY_kUW_tIY_tUW_dAE_rOW_pIY_gOW_lAE_tUW_dAE_rOW_bUW_dOW_pAE_pIY_gOW_lAE@_bIY_kUW_tIY_bUW_dOW_pAE_tUW_dAE_rOW_pIY_gOW_lAE@_bIY_kUW_tIY_pIY_gOW_lAE_bUW_dOW_pAE_tUW_dAE_rOW@_bIY_kUW_tIY_bUW_dOW_pAE_pIY_gOW_lAE_tUW_dAE_rOW_pIY_gOW_lAE_bUW_dOW_pAE_tUW_dAE_rOW@_bIY_kUW_tIY_pIY_gOW_lAE_tUW_dAE_rOW@_bIY_kUW_tIY_pIY_gOW_lAE_tUW_dAE_rOW_bUW_dOW_pAE@_bIY_kUW_tIY_bUW_dOW_pAE_pIY_gOW_lAE@_bIY_kUW_tIY_bUW_dOW_pAE@_bIY_kUW_tIY_tUW_dAE_rOW_bUW_dOW_pAE_tUW_dAE_rOW_pIY_gOW_lAE@_bIY_kUW_tIY_tUW_dAE_rOW_pIY_gOW_lAE_bUW_dOW_pAE

最佳答案

您的问题是您点击了 $k -eq 0检查正确时间 $counter等于 20但无论如何你都会增加计数器,然后一旦你通过 20你再也不能击中它了。

您可以通过添加 set -x 来看到这一点到脚本顶部并运行它并查看输出。

您不希望 if/else 进行不相关的检查,它有这个问题。

您可能想要更像这样的东西作为循环体。

if [ $k -eq 0 ]; then
stream=${stream}@
fi
stream=${stream}_${syllarray[k]}
if [ $counter -eq 20 ]; then
stream=$stream'[[ slnc 20 ]]'
fi

这将问题分开。

您也根本不需要(如评论中所示)此处的临时文件。 (除了处理读取文件的子 shell 之外,您没有任何子 shell,这些子 shell 不算数。)

您还可以避免 $(cat file)使用 $(< file) 的子 shell相反。

您还应该使用$((...))而不是$[...]始终如一。

关于bash - 损坏 : Elif in For loop with increment counter,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/31777232/

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