376 lines
3.7 KiB
Bash
376 lines
3.7 KiB
Bash
ulimit -n
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cat Makefile | grep pr | head -n 5 | cd test (mybin)
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echo $?
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cat Makefile | grep pr | head -n 5 | cat test (bin)
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echo $?
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cat Makefile | grep pr | head -n 5 | hello (NA)
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echo $?
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#---------------------------------------------
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# Race condition, unpredictable behaviour
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echo DOET HET NIET > test1 | cat test1
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#----------------------------------------------
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# ; Semicolon separator
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echo hallo | echo poep >x1 >x2
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echo hallo ; echo poep >x1 >x2
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echo hallo | echo hoi > y1 >y2 ; cat -e
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echo "hello | this is some stuff > touch this file" | grep more
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echo bonjour ; |
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echo bonjour |;
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;
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echo coucou | ;
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echo ;;
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#----------------------------------------------
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# Export builtins
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export | grep -e "HOME="
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export | grep -e "PWD="
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export a="\\"
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export
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# var without export
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POEP=directory1
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MEERPOEP=directory2
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export PATH="test:working:multiplepath:directory1:directory2"
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env
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#----------------------------------------------
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# special characters
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echo "$222"
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echo "hallo$USER***$USER$2$"
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echo "$53535"
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echo $53535
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echo "$5fsdlfjlfj"
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echo $1
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#----------------------------------------------
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# expansions with quotes $""
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echo $"USER"
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echo $"etet"
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echo $"hallo"
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echo /$"123$USER"
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echo hallo$"USER"
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echo hallo$"POEP"
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echo hallo$'USER'
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echo $""
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echo $"nothing"
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echo $"$USER"
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#----------------------------------------------
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# ' " single quotes
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echo hallo 'ma'ran' siemons
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echo hallo 'ma\"ran' siemons
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echo hallo 'ma\'ran'' siemons
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echo "hallo"maran"
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echo hallo"
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echo poep"
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echo poep"""
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echo hallo"\poep
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echo " " "
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echo "
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echo """
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echo '
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echo $USER"
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echo "$USER
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echo hallo$'USER' '
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echo $USER'
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echo $USER'
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echo $'
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echo $' ' '
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echo $"USERhallo"
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#----------------------------------------------
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# \ Backslash
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echo "bip | bip ; coyotte > < \" "
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echo bonjour > test\ 1
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ls
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rm test
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echo bonjour \; ls
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echo \"test\"
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echo "123\"456"
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echo poep\'
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echo "poep\"
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echo "hallo\"\poep"
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#echo "\$"
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#echo "\""
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#echo \'1234'
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#echo \hallo
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#echo "123\$456"
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#echo "123\\456"
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#echo “$\hallo”
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#echo $"\hallo"
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#echo "\\hallo"
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#echo "hallo\\hoi"
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#echo "\\$USER"
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#echo "123\"456"
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#echo "hallo\"\poep"
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#echo hallo$\\abc
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#echo hallo$\abc
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#echo hallo$\abc
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#echo '$USER'$USER\$USER/"$USER"
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#echo \$?
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#echo \"
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#echo \poep
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#echo "123\'456"
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#echo 123\'456
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#echo "'\$USER'"
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#echo "\$USER"
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#echo "123\"456"
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#echo "poep\'"
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#echo "poep\""
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#echo "\$USER"
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#echo \$USER
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#echo \$?
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#echo hallo\$USER
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#echo ma\
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#echo 'ma\' Hij ziet de \ niet als escape, print gewoon \
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#echo 'ma\' Hij ziet de \ niet als escape, print gewoon \
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#echo hallo ma\"ran siemons
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#echo hallo 'ma\'ran' siemons
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#echo "\""
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#echo \'
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#echo \n ' \n this is the; "first line"'
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#echo 00\\\'pp
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#echo \$HOME
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#echo "\\s"
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#echo "\n \\n \\\n"
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#echo \>
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#echo 00\\\\\'pp
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#echo 00\\\\'pp'
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echo \\
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echo "\\"
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echo \poep
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echo \1
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echo 123\!456
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echo 123\456
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echo "\"
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echo \" "\\" "\"" \\ \' \"
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echo "\\"
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echo \"1234"
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echo "1234\"
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echo "1234\\"
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echo "\\"
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echo \a
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echo \b
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echo \c
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echo \d
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echo \e
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echo \!
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echo \"
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echo \#
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echo \$
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echo \%
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echo \&
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echo \'
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echo \(
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echo \)
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echo \*
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echo \+
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echo \,
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echo \-
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echo \.
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echo \/
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echo \0
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echo \1
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echo \2
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echo \3
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echo \4
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echo \5
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echo \6
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echo \7
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echo \8
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echo \9
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echo \:
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echo \=
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echo \?
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echo \@
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echo \A
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echo \B
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echo \C
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echo \D
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echo \E
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echo \F
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echo \G
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echo \H
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echo \I
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echo \J
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echo \K
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echo \L
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echo \M
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echo \N
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echo \O
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echo \P
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echo \Q
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echo \R
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echo \S
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echo \T
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echo \U
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echo \V
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echo \W
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echo \X
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echo \Y
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echo \Z
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echo \[
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echo \\
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echo \]
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echo \^
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echo \_
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echo \a
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echo \b
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echo \c
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echo \d
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echo \e
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echo \f
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echo \g
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echo \h
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echo \i
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echo \j
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echo \k
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echo \l
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echo \m
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echo \n
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echo \o
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echo \p
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echo \q
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echo \r
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echo \s
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echo \t
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echo \u
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echo \v
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echo \w
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echo \x
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echo \y
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echo \z
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echo \{
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echo \}
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echo \~
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