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run shell commands from python, and How to store result in a file(text or excell or csv etc..)


By : user2175750
Date : October 14 2020, 08:10 PM
With these it helps Your code is sending the output you want to the screen. To send it to a file instead, change this:
code :
print(out)
with open("my_output.txt", "w") as outfile:
    print(out, file=outfile)


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Move top 1000 lines from text file to a new file using Unix shell commands


By : inmar
Date : March 29 2020, 07:55 AM
around this issue I wish to copy the top 1000 lines in a text file containing more than 50 million entries, to another new file, and also delete these lines from the original file.
code :
head -1000 input > output && sed -i '1,+999d' input
$ cat input 
1
2
3
4
5
6
$ head -3 input > output && sed -i '1,+2d' input
$ cat input 
4
5
6
$ cat output 
1
2
3

JSP Servlet excell file upload and store data from uploaded file into the database


By : Mujahid Dollie
Date : March 29 2020, 07:55 AM
this one helps. It looks like you can do it after all.
HSSFWorkbook has a constructor: HSSFWorkbook(java.io.InputStream s) and FileItem has java.io.InputStream getInputStream():
code :
HSSFWorkbook workbook = HSSFWorkbook(fileitem.getInputStream());

UNIX shell script to run a list of grep commands from a file and getting result in a single delimited file


By : Tim Hilgenstöhler
Date : March 29 2020, 07:55 AM
around this issue
How can I get both the grep command and output in the output file
code :
bash -v ./Mockup.sh > output.txt 2>&1

cat output.txt

Store lines of text that result from shell command


By : Gorica Cupka Boskovi
Date : March 29 2020, 07:55 AM
will be helpful for those in need It seems that the lines containing the information you need are being printed on stderr instead of stdout. From the subprocess documentation:
code :
command1 = '/usr/local/GMT5SAR/bin/ALOS_baseline ' + str(master_file) + ' ' + str(master_file)
print command1
p1 = Popen(command1, shell=True, stdout=PIPE, stderr=STDOUT)
out,err = p1.communicate()
print out

How to run two adb shell commands via Python, but store output of only one?


By : gilbra1983
Date : March 29 2020, 07:55 AM
I wish this help you There is no reason for running both commands in the same shell session:
code :
print subprocess.check_output(["adb", "shell", "du -sh /sdcard/qpython"])
subprocess.check_output(["adb", "shell", "rm -r /sdcard/qpython"])
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