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Script parameters in Bash
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./ocrscript.sh -from /home/kristoffer/test.png -to /home/kristoffer/test.txt
You'll get:
$0 # ocrscript.sh
$1 # -from
$2 # /home/kristoffer/test.png
$3 # -to
$4 # /home/kristoffer/test.txt
It might be easier to omit the -from and the -to, like:
ocrscript.sh /home/kristoffer/te...
Dictionary text file [closed]
...s ! 200000+ words, much appreciated ! cat /usr/share/dict/words > words.txt all the things !
– jokoon
Sep 19 '11 at 22:13
7
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Identifying and removing null characters in UNIX
...ommand for removing the null characters in a file.
sed -i 's/\x0//g' null.txt
this solution edits the file in place, important if the file is still being used. passing -i'ext' creates a backup of the original file with 'ext' suffix added.
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Multiple variables in a 'with' statement?
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class test2: x=1; t2=test2() with open('f2.txt') as t2.x: for l1 in t2.x.readlines(): print(l1); # Charlie Parker # tested in python 3.6
– Ahmad Yoosofan
Aug 12 '17 at 8:33
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Read a text file using Node.js?
...th its contents. Sample usage would look like this:
$ node ./cat.js file.txt
OK: file.txt
This is file.txt!
[Edit] As @wtfcoder mentions, using the "fs.readFile()" method might not be the best idea because it will buffer the entire contents of the file before yielding it to the callback function...
GIF Animated 扩展：可点击透明背景动画GIF播放器 · App Inventor 2 中文网
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GIF Animated 扩展
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基础GIF加载
从SD卡...
Automatically capture output of last command into a variable using Bash?
...age. Yes, you can assign the output to variable
MY_VAR="$(find -name foo.txt)"
echo "$MY_VAR"
But better hope your hardest that find only returned one result and that that result didn't have any "odd" characters in it, like carriage returns or line feeds, as they will be silently modified when a...
Sorting a tab delimited file
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Using bash, this will do the trick:
$ sort -t$'\t' -k3 -nr file.txt
Notice the dollar sign in front of the single-quoted string. You can read about
it in the ANSI-C Quoting sections of the bash man page.
share
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How to ignore xargs commands if stdin input is empty?
...or both GNU and BSD/OSX support I end up using something like: ls /mydir/*.txt | xargs -n 1 -I {} chown root {}, as this answer suggests.
– Luís Bianchin
Jul 17 '18 at 11:12
3
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Python script to copy text to clipboard [duplicate]
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To use native Python directories, use:
import subprocess
def copy2clip(txt):
cmd='echo '+txt.strip()+'|clip'
return subprocess.check_call(cmd, shell=True)
on Mac, instead:
import subprocess
def copy2clip(txt):
cmd='echo '+txt.strip()+'|pbcopy'
return subprocess.check_call(cmd...