我正在尝试将Linux脚本适合我的WD世界版驱动器。
该脚本是为Bash(Debian)编写的,但我的WD仅运行busybox(带有ash)。尽管如此,仅通过使用Google我就获得了大多数功能。我只有一个运算符尚未找到对应的==运算符
如何将=〜运算符的功能从旧脚本移植到ash?
脚本:
#! /bin/bash
# posttorrent.sh by Killemov
{
# Log file, file where we tell what events have been processed.
LOG_FILE=/var/log/posttorrent.log
# Username for transmission remote.
TR_USERNAME="username"
# Password for transmission remote.
TR_PASSWORD="password"
# Get current time.
NOW=$(date +%Y-%m-%d\ %H:%M:%S)
# Source directory, should not be changed.
SRC_DIR="${TR_TORRENT_DIR}/${TR_TORRENT_NAME}"
# Directory to store the un-compressed files in..
DEST_DIR="${TR_TORRENT_DIR}/${TR_TORRENT_NAME}/"
# This parameter string could be passed from Transmission in the future.
TR_TORRENT_PARAMETER="EXTRACT SLEEP1h"
echo "text"
if [ -e "$SRC_DIR/keep" ]; then
TR_TORRENT_PARAMETER="$TR_TORRENT_PARAMETER KEEP"
fi
if [ -e "$SRC_DIR/exit" ]; then
TR_TORRENT_PARAMETER="EXIT"
fi
# Actual processing starts here.
if [[ "$TR_TORRENT_PARAMETER" =~ "EXIT" ]]; then
echo $NOW "Exiting $TR_TORRENT_NAME" >> $LOG_FILE
exit 0
fi
echo "text2"
if [[ "$TR_TORRENT_PARAMETER" =~ "EXTRACT" ]]; then
cd $TR_TORRENT_DIR
if [ -d "$SRC_DIR" ]; then
IFS=$'\n'
unset RAR_FILES i
for RAR_FILE in $( find "$SRC_DIR" -iname "*.rar" ); do
if [[ $RAR_FILE =~ .*part.*.rar ]]; then
if [[ $RAR_FILE =~ .*part0*1.rar ]]; then
RAR_FILES[i++]=$RAR_FILE
fi
else
RAR_FILES[i++]=$RAR_FILE
fi
done
unset IFS
if [ ${#RAR_FILES} -gt 0 ]; then
for RAR_FILE in "$(eval \$$RAR_FILES[@])"; do
unrar x -inul "$RAR_FILE" "$DEST_DIR"
if [ $? -gt 0 ]; then
echo $NOW "Error unrarring $TR_TORRENT_NAME" >> $LOG_FILE
transmission-remote -n $TR_USERNAME:$TR_PASSWORD -t$TR_TORRENT_ID --verify --start
exit 0
fi
done
if [[ ! "$TR_TORRENT_PARAMETER" =~ "KEEP" ]]; then
SLEEP=$(expr match "$TR_TORRENT_PARAMETER" '.*SLEEP\([0-9a-zA-Z]*\)')
if [ ${#SLEEP} -gt 0 ]; then
sleep $SLEEP
fi
transmission-remote -n $TR_USERNAME:$TR_PASSWORD -t$TR_TORRENT_ID --remove-and-delete
fi
echo $NOW "Unrarred $TR_TORRENT_NAME" >> $LOG_FILE
fi
fi
fi
} &
(我在使用间接引用时遇到了麻烦,希望我可以正确地解决该问题)
最佳答案
对于$VARIABLE =~ PATERN
,您应该可以使用:
echo "$VARIABLE" | grep -E PATTERN
但是我认为您也会对算术表达式
i++
遇到一些麻烦-如果实现了,则仍然需要使用i=$(($i + 1))
语法,如果没有实现,则需要使用i=$(expr $i + 1)
语法。我想您是因为IFS = $'\ n'是在换行符上拆分查找的原因,但是最好将查找结果发布到临时文件中,然后执行
while read line; do ... done <$tmpfile
,另外,我不确定busybox ash的所有版本是否都支持阵列,因此您在那里也可能有问题。
关于linux - Ash MATCH运算符(=〜),我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/10373529/