snippets/bash_loop at master · shdbwa/snippets · GitHub

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///////////////////
ls -1 | parallel convert -normalize -auto-gamma -auto-level {} {}.jpg \;
///////////////////


#!/bin/bash

#split at new line instead of space
IFS=$'\n'

///////////////
for i in $( ls ); do
   echo item: $i
done

///////////////
for i in $( cat list ); do
   youtube-dl $i
done

///////////////
#Trouver(find) dans le repertoire en cours(./) tous les fichier png(-name "*.png"),
#puis(-exec) extraire leur palette(palette) de couleur sans limite(-t 0) recursivement ({}) et terminer le exec (\;)
/////////////////
find ./ -name "*.png" -exec palette -t 0 {} \;


///////////////
mass rename
///////////////
for var in `find . -type f -name "*(1).m4a"`; do
    new=`echo $var | cut -d'(' -f1`;
    mv $var $new.m4a;
done


///////////////////
#Remove .1 at end of filename = modify extension
///////////////////
for var in `find . -type f -name "*.1"`; do
    new=`echo $var | sed 's/.1//'`;
    mv $var $new;
done
///////////////////
ls -1 | parallel convert -normalize -auto-gamma -auto-level {} {}.jpg \;