Linki

Snippety

1. ant_choose
   

   #!/bin/bash
   targets=`sed -n 's/.*<target name="\([^"]*\)".*$/\1/p;' build.xml | sort`
   target=`zenity --title="Choose ant target" --height=600 --list --column=target $targets`
   if [[ -n $target ]]; then ant $target; fi
   
   

2. imagemagick
   

   convert *.bmp -gamma 0.2 -monochrome -compress Group4 test.pdf

   (gamma
3. parameter expansion
   

   ${f//\\//} - replace all backslashes with slashes (// = replace all)

4. printf
   

   printf -v nr "%03d" $i

5. wget (moved to github wiki)
   

   --page-requisites (-p) --force-html (-F) --no-directories (-nd) --html-extension (-E)
   --convert-links (-k) -q -r -l 1 -w 1 --random-wait -I /katalog/podkat
   --no-clobber (-nc) - powtórzone pliki nie będą dublowane jako .1, .2 itd.
   --server-response (-S) show headers
   --timestampings (-N) - nadpisuje, gdy nowsze lub większe
   --continue (-c)    --directory-prefix= (-P - output directory)       -O xxx (output file)
   -e robots=off

6. utilities
   

   nmap - port scan

7. zenity
   

   zenity --entry --text "Podaj" --title "Tytul"
   zenity --title="Choose ant target" --height=600 --list --column=target $targets

8. other
   

   for (( i=0; i<5; i++ )); do echo $i; done
   # reset vt terminal
   echo -e \\033c
   # find newest file in subdirectories
   find . -type f -printf "%TY-%Tm-%Td %TT %pn\n" | sort | less
   # formatowanie daty
   date +%Y%m%d_%H%M