Concatenation started at: 20210104T120001 /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found ls: cannot access '/media/shareX/undergrad_books/aamna/*.pdf': No such file or directory There are no pdf files to concatenate in /media/shareX/undergrad_books/aamna /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found ls: cannot access '/media/shareX/undergrad_books/priyashma/*.pdf': No such file or directory There are no pdf files to concatenate in /media/shareX/undergrad_books/priyashma /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found ls: cannot access '/media/shareX/undergrad_books/brian/*.pdf': No such file or directory There are no pdf files to concatenate in /media/shareX/undergrad_books/brian ls: cannot access '/media/shareX/undergrad_books/mira/*.pdf': No such file or directory There are no pdf files to concatenate in /media/shareX/undergrad_books/mira /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found /usr/local/bin/combine_notebooks.sh: line 56: pdftk: command not found Concatenation of current notebooks completed without errors!