我试图用一些参数运行C可执行文件(rtklib)。相同的命令似乎在终端中正常工作,但是当我在sh文件中运行它时,可执行文件会抛出错误。
bash脚本:
#!/bin/bash
# path to CUI executables
convbindir="/home/odroid/gitLibs/RTKLIB-master/app/convbin/gcc"
rnx2rtkpdir="/home/odroid/gitLibs/RTKLIB-master/app/rnx2rtkp/gcc"
datafiledir="/home/odroid/bashExample/datafiles"
basedir="$datafiledir/base*/"
cd $rnx2rtkpdir
# Do post process from each base to rover (should be 2)
for roverdir in $datafiledir/rover*/; do
#echo "$roverdir" # absolute path to rover folder i.e. /home/odroid/bashExample/datafiles/rover2/
#echo "basedir = $basedir"
rovernum="${roverdir: -2:-1}"
#echo "$rovernum"
ls
#echo "****************"
echo "executing: $ ./rnx2rtkp -k optsEmlid.conf -o "$roverdir"rover"$rovernum".pos "$roverdir"*.obs "$basedir"*.obs "$basedir"*.nav"
./rnx2rtkp -k optsEmlid.conf -o "$roverdir"rover"$rovernum".pos "$roverdir"*.obs "$basedir"*.obs "$basedir"*.nav
#echo "****************"
done
输出(没有nav datanav数据错误):
odroid@odroid:~/bashExample$ ./autopostprocess.sh
ephemeris.o makefile opts4.conf ppp_ar.o rnx2rtkp rtcm.o
geoid.o options.o optsEmlid.conf ppp.o rnx2rtkp.o rtkcmn.o
gpsdata opts1.conf out.pos preceph.o rtcm2.o rtkpos.o
ionex.o opts2.conf pntpos.o qzslex.o rtcm3e.o sbas.o
lambda.o opts3.conf postpos.o rinex.o rtcm3.o solution.o
executing: $ ./rnx2rtkp -k optsEmlid.conf -o /home/odroid/bashExample/datafiles/rover2/rover2.pos /home/odroid/bashExample/datafiles/rover2/*.obs /home/odroid/bashExample/datafiles/base*/*.obs /home/odroid/bashExample/datafiles/base*/*.nav
invalid option value pos1-snrmask (optsEmlid.conf:7)
no nav datanav data
ephemeris.o makefile opts4.conf ppp_ar.o rnx2rtkp rtcm.o
geoid.o options.o optsEmlid.conf ppp.o rnx2rtkp.o rtkcmn.o
gpsdata opts1.conf out.pos preceph.o rtcm2.o rtkpos.o
ionex.o opts2.conf pntpos.o qzslex.o rtcm3e.o sbas.o
lambda.o opts3.conf postpos.o rinex.o rtcm3.o solution.o
executing: $ ./rnx2rtkp -k optsEmlid.conf -o /home/odroid/bashExample/datafiles/rover3/rover3.pos /home/odroid/bashExample/datafiles/rover3/*.obs /home/odroid/bashExample/datafiles/base*/*.obs /home/odroid/bashExample/datafiles/base*/*.nav
invalid option value pos1-snrmask (optsEmlid.conf:7)
no nav datanav data
手动执行终端(I ctr + c提前退出,请注意我复制粘贴了我在我的脚本中打印出的确切命令,即执行后的文本:$)):
odroid@odroid:~/gitLibs/RTKLIB-master/app/rnx2rtkp/gcc$ ./rnx2rtkp -k optsEmlid.conf -o /home/odroid/bashExample/datafiles/rover2/rover2.pos /home/odroid/bashExample/datafiles/rover2/*.obs /home/odroid/bashExample/datafiles/base*/*.obs /home/odroid/bashExample/datafiles/base*/*.nav
invalid option value pos1-snrmask (optsEmlid.conf:7)
^Cocessing : 2018/01/03 21:05:47 Q=0
odroid@odroid:~/gitLibs/RTKLIB-master/app/rnx2rtkp/gcc$
echo
的输出并不表示内容是否被引用,尽管引用在如何解释命令方面很重要。
执行此操作的安全方法是将glob扩展为数组,然后验证数组的内容以检查glob是否扩展为正好一个项目(正如您所期望的那样)。这可能类似于以下内容:
shopt -s nullglob
base_inputs=( "$datafiledir"/base*/*.{obs,nav} )
for roverdir in "$datafiledir"/rover*/; do
roverdir=${roverdir%/}; rovernum=${roverdir##*/rover}
./rnx2rtkp \
-k optsEmlid.conf \
-o "${roverdir}/rover${rovernum}.pos" \
"$roverdir"/*.obs \
"${base_inputs[@]}"
done
问题是你在执行命令时引用了$basedir
,所以它没有扩展*
通配符,而是寻找一个名为base*
的目录。改成:
./rnx2rtkp -k optsEmlid.conf -o "$roverdir"rover"$rovernum".pos "$roverdir"*.obs $basedir*.obs $basedir*.nav
但是,这是有问题的,因为如果$basedir
中的任何目录在其名称中都有空格,它将无法工作,因为单词拆分也已完成。