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sed one-liner to convert all uppercase to lowercase?
...:
# Converts upper to lower case
$ tr '[:upper:]' '[:lower:]' < input.txt > output.txt
# Converts lower to upper case
$ tr '[:lower:]' '[:upper:]' < input.txt > output.txt
Works using GNU sed (BSD sed doesn't support \L \U):
# Converts upper to lower case
$ sed -e 's/\(.*\)/\L\1/' ...
Access data in package subdirectory
...= os.path.split(__file__)
DATA_PATH = os.path.join(this_dir, "data", "data.txt")
print open(DATA_PATH).read()
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How do you loop through each line in a text file using a windows batch file?
...s a whole. Here is what I found to work.
for /F "tokens=*" %%A in (myfile.txt) do [process] %%A
The tokens keyword with an asterisk (*) will pull all text for the entire line. If you don't put in the asterisk it will only pull the first word on the line. I assume it has to do with spaces.
For Co...
How do I remove newlines from a text file?
...
tr -d '\n' < yourfile.txt
Edit:
If none of the commands posted here are working, then you have something other than a newline separating your fields. Possibly you have DOS/Windows line endings in the file (although I would expect the Perl solut...
Import text file as single character string
...t uses the correct size instead of a hard-coded size:
fileName <- 'foo.txt'
readChar(fileName, file.info(fileName)$size)
Note that readChar allocates space for the number of bytes you specify, so readChar(fileName, .Machine$integer.max) does not work well...
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How to get full path of a file?
Is there an easy way I can print the full path of file.txt ?
32 Answers
32
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Is there any sed like utility for cmd.exe? [closed]
...
Today powershell saved me.
For grep there is:
get-content somefile.txt | where { $_ -match "expression"}
or
select-string somefile.txt -pattern "expression"
and for sed there is:
get-content somefile.txt | %{$_ -replace "expression","replace"}
For more detail see Zain Naboulsis blog ...
Is it possible for git-merge to ignore line-ending differences?
...t\test_merge>git init
C:\HOMEWARE\git\test\test_merge>echo a1 > a.txt & echo a2 >> a.txt
C:\HOMEWARE\git\test\test_merge>git add a.txt
C:\HOMEWARE\git\test\test_merge>git commit -m "a.txt, windows eol style"
C:\HOMEWARE\git\test\test_merge>git checkout -b windows
Switched...
Select random lines from a file
...d it in 0.047 seconds
$ time ./powershuf.py -n 10 --file lines_78000000000.txt > /dev/null
./powershuf.py -n 10 --file lines_78000000000.txt > /dev/null 0.02s user 0.01s system 80% cpu 0.047 total
The reason it is so fast, well I don't read the whole file and just move the file pointer 10 ...
How to concatenate two MP4 files using FFmpeg?
...d by general users do not support file level concatenation).
$ cat mylist.txt
file '/path/to/file1'
file '/path/to/file2'
file '/path/to/file3'
$ ffmpeg -f concat -safe 0 -i mylist.txt -c copy output.mp4
For Windows:
(echo file 'first file.mp4' & echo file 'second file.mp4' )>list.txt
ff...