os_cp:redirects_pipes:solutions
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os_cp:redirects_pipes:solutions [2023/03/22 09:45] jkonczak |
os_cp:redirects_pipes:solutions [2023/03/22 11:37] (current) jkonczak |
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| |~~#~~|cp /etc/services . \\ hexdump <>services 1>&0 \\ # hexdump reads a chunk of data, outputs (in the middle of the file) the hex dump, \\ # and repeats this until it processes whole file. | | |~~#~~|cp /etc/services . \\ hexdump <>services 1>&0 \\ # hexdump reads a chunk of data, outputs (in the middle of the file) the hex dump, \\ # and repeats this until it processes whole file. | | ||
| |~~#~~|cat /etc/motd /etc/shadow 3>&1 1>&2 2>&3 <nowiki>|</nowiki> rev | | |~~#~~|cat /etc/motd /etc/shadow 3>&1 1>&2 2>&3 <nowiki>|</nowiki> rev | | ||
| - | |~~#25~~|echo //'some text'// <nowiki>|</nowiki> xxd| | + | |~~#25~~|echo '2+2*2' <nowiki>|</nowiki> bc| |
| + | |~~#~~|echo //'some text'// <nowiki>|</nowiki> xxd| | ||
| |~~#~~|ls <nowiki>|</nowiki> cat \\ ls <nowiki>|</nowiki> cat -n| | |~~#~~|ls <nowiki>|</nowiki> cat \\ ls <nowiki>|</nowiki> cat -n| | ||
| |~~#~~|ps -eF <nowiki>|</nowiki> fold| | |~~#~~|ps -eF <nowiki>|</nowiki> fold| | ||
| Line 29: | Line 30: | ||
| |~~#~~|mount <nowiki>|</nowiki> cut -f 5 -d ' ' \\ cut -f 3 -d ' ' /etc/mtab | | |~~#~~|mount <nowiki>|</nowiki> cut -f 5 -d ' ' \\ cut -f 3 -d ' ' /etc/mtab | | ||
| |~~#~~|egrep '<nowiki>^</nowiki>[Ee]{2}' /usr/share/myspell/en_US.dic <nowiki>|</nowiki> cut -f1 -d/ | | |~~#~~|egrep '<nowiki>^</nowiki>[Ee]{2}' /usr/share/myspell/en_US.dic <nowiki>|</nowiki> cut -f1 -d/ | | ||
| - | |~~#36~~|cat random_data \\ sort random_data| | + | |~~#37~~|cat random_data \\ sort random_data| |
| |~~#~~|sort -k3 random_data \\ sort -nk3 random_data | | |~~#~~|sort -k3 random_data \\ sort -nk3 random_data | | ||
| |~~#~~|sort -k2,2 -k6,6 random_data | | |~~#~~|sort -k2,2 -k6,6 random_data | | ||
| Line 35: | Line 36: | ||
| |~~#~~|sort -k2,2 -k3,3n random_data| | |~~#~~|sort -k2,2 -k3,3n random_data| | ||
| |~~#~~|man wc <nowiki>|</nowiki> cat \\ man wc <nowiki>|</nowiki> wc| | |~~#~~|man wc <nowiki>|</nowiki> cat \\ man wc <nowiki>|</nowiki> wc| | ||
| - | |~~#43~~|perl -e 'printf "%d\n", (int rand(6)+1)+(int rand(6)+1) for(1..100)' <nowiki>|</nowiki> uniq -cd \\ perl -e 'printf "%d\n", (int rand(6)+1)+(int rand(6)+1) for(1..10000)' <nowiki>|</nowiki> sort -n <nowiki>|</nowiki> uniq -c | | + | |~~#44~~|perl -e 'printf "%d\n", (int rand(6)+1)+(int rand(6)+1) for(1..100)' <nowiki>|</nowiki> uniq -cd \\ perl -e 'printf "%d\n", (int rand(6)+1)+(int rand(6)+1) for(1..10000)' <nowiki>|</nowiki> sort -n <nowiki>|</nowiki> uniq -c | |
| |~~#~~|echo -e '1 2 3\n4 5 6\n7 8 9' \\ echo -e '1 2 3\n4 5 6\n7 8 9' <nowiki>|</nowiki> rev \\ echo -e '1 2 3\n4 5 6\n7 8 9' <nowiki>|</nowiki> tac | | |~~#~~|echo -e '1 2 3\n4 5 6\n7 8 9' \\ echo -e '1 2 3\n4 5 6\n7 8 9' <nowiki>|</nowiki> rev \\ echo -e '1 2 3\n4 5 6\n7 8 9' <nowiki>|</nowiki> tac | | ||
| - | |~~#~~|Work in progress... \\ <nowiki>|</nowiki>| | + | |~~#~~|ls -l <nowiki>|</nowiki> tr '0-9' '-' \\ ls -l <nowiki>|</nowiki> tr '[:lower:]' '[:upper:]' \\ # or ls -l <nowiki>|</nowiki> tr 'a-z' 'A-Z' \\ ls -l <nowiki>|</nowiki> tr -s ' ' ' ' \\ ls -l <nowiki>|</nowiki> tr -d 'rwx'| |
| - | |~~#~~|<nowiki>|</nowiki>| | + | |~~#48~~|less /usr/share/doc/packages/apparmor-docs/techdoc.pdf \\ less -L /usr/share/doc/packages/apparmor-docs/techdoc.pdf \\ less /usr/share/doc/packages/automake/amhello-1.0.tar.gz \\ less /usr/include| |
| - | |~~#~~|<nowiki>|</nowiki>| | + | |~~#~~|tree <nowiki>|</nowiki> tee //file// \\ less //file//| |
| - | |~~#~~|<nowiki>|</nowiki>| | + | |
| - | |~~#~~|<nowiki>|</nowiki>| | + | |
| <html></code></html> | <html></code></html> | ||
os_cp/redirects_pipes/solutions.1679474707.txt.gz · Last modified: 2023/03/22 09:45 (external edit)
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