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escape.exp revision 1.7 
      1 var-1bs
      2 printf "%s=:%s:\n" VAR1BS 111\\111;   printf "%s=:%s:\n" VAR1BSa 111\\aaa;   printf "%s=:%s:\n" VAR1BSA 111\\aaa;   printf "%s=:%s:\n" VAR1BSda 111\\\$\{a\};   printf "%s=:%s:\n" VAR1BSdA 111\\\$\{A\};   printf "%s=:%s:\n" VAR1BSc 111\#\ backslash\ escapes\ comment\ char,\ so\ this\ is\ part\ of\ the\ value;   printf "%s=:%s:\n" VAR1BSsc 111\\\ ;
      3 VAR1BS=:111\111:
      4 VAR1BSa=:111\aaa:
      5 VAR1BSA=:111\aaa:
      6 VAR1BSda=:111\${a}:
      7 VAR1BSdA=:111\${A}:
      8 VAR1BSc=:111# backslash escapes comment char, so this is part of the value:
      9 VAR1BSsc=:111\ :
     10 var-2bs
     11 printf "%s=:%s:\n" VAR2BS 222\\\\222;   printf "%s=:%s:\n" VAR2BSa 222\\\\aaa;   printf "%s=:%s:\n" VAR2BSA 222\\\\aaa;   printf "%s=:%s:\n" VAR2BSda 222\\\\\$\{a\};   printf "%s=:%s:\n" VAR2BSdA 222\\\\\$\{A\};   printf "%s=:%s:\n" VAR2BSc 222\\\\;   printf "%s=:%s:\n" VAR2BSsc 222\\\\;
     12 VAR2BS=:222\\222:
     13 VAR2BSa=:222\\aaa:
     14 VAR2BSA=:222\\aaa:
     15 VAR2BSda=:222\\${a}:
     16 VAR2BSdA=:222\\${A}:
     17 VAR2BSc=:222\\:
     18 VAR2BSsc=:222\\:
     19 var-1bsnl
     20 printf "%s=:%s:\n" VAR1BSNL 111\ 111;   printf "%s=:%s:\n" VAR1BSNLa 111\ aaa;   printf "%s=:%s:\n" VAR1BSNLA 111\ aaa;   printf "%s=:%s:\n" VAR1BSNLda 111\ \$\{a\};   printf "%s=:%s:\n" VAR1BSNLdA 111\ \$\{A\};   printf "%s=:%s:\n" VAR1BSNLc 111;   printf "%s=:%s:\n" VAR1BSNLsc 111;
     21 VAR1BSNL=:111 111:
     22 VAR1BSNLa=:111 aaa:
     23 VAR1BSNLA=:111 aaa:
     24 VAR1BSNLda=:111 ${a}:
     25 VAR1BSNLdA=:111 ${A}:
     26 VAR1BSNLc=:111:
     27 VAR1BSNLsc=:111:
     28 var-2bsnl
     29 printf "%s=:%s:\n" VAR2BSNL 222\\\\;   printf "%s=:%s:\n" VAR2BSNLa 222\\\\;   printf "%s=:%s:\n" VAR2BSNLA 222\\\\;   printf "%s=:%s:\n" VAR2BSNLda 222\\\\;   printf "%s=:%s:\n" VAR2BSNLdA 222\\\\;   printf "%s=:%s:\n" VAR2BSNLc 222\\\\;   printf "%s=:%s:\n" VAR2BSNLsc 222\\\\;
     30 VAR2BSNL=:222\\:
     31 VAR2BSNLa=:222\\:
     32 VAR2BSNLA=:222\\:
     33 VAR2BSNLda=:222\\:
     34 VAR2BSNLdA=:222\\:
     35 VAR2BSNLc=:222\\:
     36 VAR2BSNLsc=:222\\:
     37 var-3bsnl
     38 printf "%s=:%s:\n" VAR3BSNL 333\\\\\ 333=;   printf "%s=:%s:\n" VAR3BSNLa 333\\\\\ aaa=;   printf "%s=:%s:\n" VAR3BSNLA 333\\\\\ aaa=;   printf "%s=:%s:\n" VAR3BSNLda 333\\\\\ \$\{a\}=;   printf "%s=:%s:\n" VAR3BSNLdA 333\\\\\ \$\{A\}=;   printf "%s=:%s:\n" VAR3BSNLc 333\\\\;   printf "%s=:%s:\n" VAR3BSNLsc 333\\\\;
     39 VAR3BSNL=:333\\ 333=:
     40 VAR3BSNLa=:333\\ aaa=:
     41 VAR3BSNLA=:333\\ aaa=:
     42 VAR3BSNLda=:333\\ ${a}=:
     43 VAR3BSNLdA=:333\\ ${A}=:
     44 VAR3BSNLc=:333\\:
     45 VAR3BSNLsc=:333\\:
     46 var-1bsnl-space
     47 printf "%s=:%s:\n" VAR1BSNL00 first\ line;   printf "%s=:%s:\n" VAR1BSNL0 first\ line\ no\ space\ on\ second\ line;   printf "%s=:%s:\n" VAR1BSNLs first\ line\ one\ space\ on\ second\ line;   printf "%s=:%s:\n" VAR1BSNLss first\ line\ two\ spaces\ on\ second\ line;   printf "%s=:%s:\n" VAR1BSNLt first\ line\ one\ tab\ on\ second\ line;   printf "%s=:%s:\n" VAR1BSNLtt first\ line\ two\ tabs\ on\ second\ line;   printf "%s=:%s:\n" VAR1BSNLxx first\ line\ many\ spaces\ and\ tabs\ \[\ \ \	\ \]\ on\ second\ line;
     48 VAR1BSNL00=:first line:
     49 VAR1BSNL0=:first line no space on second line:
     50 VAR1BSNLs=:first line one space on second line:
     51 VAR1BSNLss=:first line two spaces on second line:
     52 VAR1BSNLt=:first line one tab on second line:
     53 VAR1BSNLtt=:first line two tabs on second line:
     54 VAR1BSNLxx=:first line many spaces and tabs [  	 ] on second line:
     55 cmd-1bsnl
     56 echo :'first line\
     57 #second line without space\
     58 third line':
     59 :first line\
     60 #second line without space\
     61 third line:
     62 echo :'first line\
     63      second line spaces should be retained':
     64 :first line\
     65      second line spaces should be retained:
     66 echo :'first line\
     67 second line tab should be elided':
     68 :first line\
     69 second line tab should be elided:
     70 echo :'first line\
     71 	only one tab should be elided, second tab remains'
     72 :first line\
     73 	only one tab should be elided, second tab remains
     74 cmd-1bsnl-eof
     75 echo :'command ending with backslash-newline'; \
     76 
     77 :command ending with backslash-newline
     78 cmd-2bsnl
     79 echo take one\\
     80 take one\
     81 echo take two\\
     82 take two\
     83 echo take three\\
     84 take three\
     85 cmd-3bsnl
     86 echo :'first line\\\
     87 #second line without space\\\
     88 third line':
     89 :first line\\\
     90 #second line without space\\\
     91 third line:
     92 echo :'first line\\\
     93      second line spaces should be retained':
     94 :first line\\\
     95      second line spaces should be retained:
     96 echo :'first line\\\
     97 second line tab should be elided':
     98 :first line\\\
     99 second line tab should be elided:
    100 echo :'first line\\\
    101 	only one tab should be elided, second tab remains'
    102 :first line\\\
    103 	only one tab should be elided, second tab remains
    104 exit status 0
    105