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a=$'ab\001cd\001ef' IFS=$'\001' recho $a recho ${a} recho xx${a}yy recho "$a" recho $(echo $a) recho $(echo "$a") recho ${a%%??} recho "${a%%??}" recho ${a/f/} recho "${a/f/}" a1=("$a") recho ${a

<mark>a</mark> end-1 <mark>a</mark> end-2 <mark>a</mark>:x end-<mark>a</mark> b:x end-b c:x end-c end-3 <mark>a</mark>:x end <mark>a</mark> b c end-1 <mark>a</mark> b c end-2 <mark>a</mark>:x <mark>a</mark>:y <mark>a</mark>:z end-<mark>a</mark> b:x b:y b:z end-b c:x c:y c:z end-c end-3 <mark>a</mark>:x b:x c:x end $BV<mark>A</mark>R $BV<mark>A</mark>R $BV<mark>A</mark>R $BV<mark>A</mark>R foo b<ma ...

a b a b argv[1] = argv[2] = argv[3] = argv[4] = argv[5] = argv[1] = argv[2] = argv[3] = argv[1] = argv[1] = argv[1] = argv[1

a=hot b=damn f1() { cat

a=$'a\001b' e=$'uv\001\001wx' recho $a recho $e recho ${a/$'\001'/A} recho "${a/$'\001'/A}" recho ${e/$'\001'/A} recho "${e/$'\001'/A}" recho ${a/b/B} recho "${a/b/B}" recho ${e/w/W} recho "${e/w/

# A test suite for the POSIX.2 (BRE) pattern matching code LC_ALL=C LANG=C # First, test POSIX.2 character classes case e in [[:xdigit:]]) echo ok 1;; esac case a in [[:alpha:]123]) echo ok 2;; esa

<mark>a</mark>. -<mark>a</mark>-b- -<mark>a</mark>-b - -<mark>a</mark> b- -<mark>a</mark> b- -<mark>a</mark>-b\- -<mark>a</mark> b\- -\-<mark>a</mark> b\- -\ <mark>a</mark> b\- -\-<mark>a</mark> b\- -\ <mark>a</mark> b\- <mark>a</mark>rgv[1] = <mark>a</mark>rgv[1] = <mark>a</mark>rgv[1] = <mark>a</mark>rgv[1] = <mark>a</mark>rgv[1] = 1: x[<mark>A</mark>] y[B] z[] 1<mark>a</mark>: 2: x[ ...

a:b:c a:b:c a:b:c a b c d e a:b:c:d:e a b c d e a:b:c:d:e a:b:c:d:e a b c d e a b c d e

a=(0 1 2 3 4 5 6 7 8 9) echo ${a[@]: -1} echo ${a[@]:9} echo ${a[@]:10} echo ${a[@]:11} echo ${a[@]:7:3}

a() { x=$((x - 1)) return 5 } b() { x=$((x - 1)) a echo a returns $? return 4 } c() { x=$((x - 1)) b echo b returns $? return 3 } d() { x=$((x - 1)) c echo c returns $? return 2 } e(