### BEGIN{foo=6;print foo/2}:
3

### BEGIN{foo=10;foo/=2;print foo}:
5

### /=/ {print $0}:
foo=bar
foo==bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo=bar=fribble
=foo=bar

### /==/ {print $0}:
foo==bar

### /+=/ {print $0}:
../a.out: illegal primary in regular expression += at =
 source line number 1
 context is
	 >>> /+=/ <<< 

### /*=/ {print $0}:
../a.out: illegal primary in regular expression *= at =
 source line number 1
 context is
	 >>> /*=/ <<< 

### /-=/ {print $0}:
foo-=bar

### //=/ {print $0}:
../a.out: empty regular expression
 source line number 1
 context is
	 >>> // <<< 

### /%=/ {print $0}:
foo%=bar

### /^=/ {print $0}:
=foo=bar

### /\/=/ {print $0}:
foo/=bar

### /!=/ {print $0}:
foo!=bar

### /<=/ {print $0}:
foo<=bar

### />=/ {print $0}:
foo>=bar

### !/=/ {print $0}:
foo+bar
foo bar
foo/bar


### !/==/ {print $0}:
foo=bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### !/+=/ {print $0}:
../a.out: illegal primary in regular expression += at =
 source line number 1
 context is
	 >>> !/+=/ <<< 

### !/*=/ {print $0}:
../a.out: illegal primary in regular expression *= at =
 source line number 1
 context is
	 >>> !/*=/ <<< 

### !/-=/ {print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### !//=/ {print $0}:
../a.out: empty regular expression
 source line number 1
 context is
	 >>> !// <<< 

### !/%=/ {print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### !/^=/ {print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble


### !/\/=/ {print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### !/!=/ {print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### !/<=/ {print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### !/>=/ {print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### $0~/=/ {print $0}:
foo=bar
foo==bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo=bar=fribble
=foo=bar

### $0~/==/ {print $0}:
foo==bar

### $0~/+=/ {print $0}:
../a.out: illegal primary in regular expression += at =
 source line number 1
 context is
	 >>> $0~/+=/ <<< 

### $0~/*=/ {print $0}:
../a.out: illegal primary in regular expression *= at =
 source line number 1
 context is
	 >>> $0~/*=/ <<< 

### $0~/-=/ {print $0}:
foo-=bar

### $0~//=/ {print $0}:
../a.out: empty regular expression
 source line number 1
 context is
	 >>> $0~// <<< 

### $0~/%=/ {print $0}:
foo%=bar

### $0~/^=/ {print $0}:
=foo=bar

### $0~/\/=/ {print $0}:
foo/=bar

### $0~/!=/ {print $0}:
foo!=bar

### $0~/<=/ {print $0}:
foo<=bar

### $0~/>=/ {print $0}:
foo>=bar

### $0!~/=/ {print $0}:
foo+bar
foo bar
foo/bar


### $0!~/==/ {print $0}:
foo=bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### $0!~/+=/ {print $0}:
../a.out: illegal primary in regular expression += at =
 source line number 1
 context is
	 >>> $0!~/+=/ <<< 

### $0!~/*=/ {print $0}:
../a.out: illegal primary in regular expression *= at =
 source line number 1
 context is
	 >>> $0!~/*=/ <<< 

### $0!~/-=/ {print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### $0!~//=/ {print $0}:
../a.out: empty regular expression
 source line number 1
 context is
	 >>> $0!~// <<< 

### $0!~/%=/ {print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### $0!~/^=/ {print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble


### $0!~/\/=/ {print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### $0!~/!=/ {print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### $0!~/<=/ {print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### $0!~/>=/ {print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(match($0,/=/))print $0}:
foo=bar
foo==bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo=bar=fribble
=foo=bar

### {if(match($0,/=/))print $0}:
foo=bar
foo==bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo=bar=fribble
=foo=bar

### {if(match($0,/==/))print $0}:
foo==bar

### {if(match($0,/+=/))print $0}:
../a.out: illegal primary in regular expression += at =
 source line number 1
 context is
	 >>> {if(match($0,/+=/) <<< 

### {if(match($0,/*=/))print $0}:
../a.out: illegal primary in regular expression *= at =
 source line number 1
 context is
	 >>> {if(match($0,/*=/) <<< 

### {if(match($0,/-=/))print $0}:
foo-=bar

### {if(match($0,//=/))print $0}:
../a.out: empty regular expression
 source line number 1
 context is
	 >>> {if(match($0,//= <<< /))print $0}

### {if(match($0,/%=/))print $0}:
foo%=bar

### {if(match($0,/^=/))print $0}:
=foo=bar

### {if(match($0,/\/=/))print $0}:
foo/=bar

### {if(match($0,/!=/))print $0}:
foo!=bar

### {if(match($0,/<=/))print $0}:
foo<=bar

### {if(match($0,/>=/))print $0}:
foo>=bar

### {if(!match($0,/=/))print $0}:
foo+bar
foo bar
foo/bar


### {if(!match($0,/==/))print $0}:
foo=bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(!match($0,/+=/))print $0}:
../a.out: illegal primary in regular expression += at =
 source line number 1
 context is
	 >>> {if(!match($0,/+=/) <<< 

### {if(!match($0,/*=/))print $0}:
../a.out: illegal primary in regular expression *= at =
 source line number 1
 context is
	 >>> {if(!match($0,/*=/) <<< 

### {if(!match($0,/-=/))print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(!match($0,//=/))print $0}:
../a.out: empty regular expression
 source line number 1
 context is
	 >>> {if(!match($0,//= <<< /))print $0}

### {if(!match($0,/%=/))print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(!match($0,/^=/))print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble


### {if(!match($0,/\/=/))print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(!match($0,/!=/))print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(!match($0,/<=/))print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(!match($0,/>=/))print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(index($0,/=/))print $0}:
../a.out: index() doesn't permit regular expressions at source line 1
 context is
	 >>> {if(index($0,/=/) <<< 

### {if(index($0,/=/))print $0}:
../a.out: index() doesn't permit regular expressions at source line 1
 context is
	 >>> {if(index($0,/=/) <<< 

### {if(index($0,/==/))print $0}:
../a.out: index() doesn't permit regular expressions at source line 1
 context is
	 >>> {if(index($0,/==/) <<< 

### {if(index($0,/+=/))print $0}:
../a.out: index() doesn't permit regular expressions at source line 1
 context is
	 >>> {if(index($0,/+=/) <<< 

### {if(index($0,/*=/))print $0}:
../a.out: index() doesn't permit regular expressions at source line 1
 context is
	 >>> {if(index($0,/*=/) <<< 

### {if(index($0,/-=/))print $0}:
../a.out: index() doesn't permit regular expressions at source line 1
 context is
	 >>> {if(index($0,/-=/) <<< 

### {if(index($0,//=/))print $0}:
../a.out: empty regular expression
 source line number 1
 context is
	 >>> {if(index($0,//= <<< /))print $0}

### {if(index($0,/%=/))print $0}:
../a.out: index() doesn't permit regular expressions at source line 1
 context is
	 >>> {if(index($0,/%=/) <<< 

### {if(index($0,/^=/))print $0}:
../a.out: index() doesn't permit regular expressions at source line 1
 context is
	 >>> {if(index($0,/^=/) <<< 

### {if(index($0,/\/=/))print $0}:
../a.out: index() doesn't permit regular expressions at source line 1
 context is
	 >>> {if(index($0,/\/=/) <<< 

### {if(index($0,/!=/))print $0}:
../a.out: index() doesn't permit regular expressions at source line 1
 context is
	 >>> {if(index($0,/!=/) <<< 

### {if(index($0,/<=/))print $0}:
../a.out: index() doesn't permit regular expressions at source line 1
 context is
	 >>> {if(index($0,/<=/) <<< 

### {if(index($0,/>=/))print $0}:
../a.out: index() doesn't permit regular expressions at source line 1
 context is
	 >>> {if(index($0,/>=/) <<< 

### {if(split($0,foo,/=/))print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(split($0,foo,/=/))print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(split($0,foo,/==/))print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(split($0,foo,/+=/))print $0}:
../a.out: illegal primary in regular expression += at =
 source line number 1
 context is
	 >>> {if(split($0,foo,/+=/) <<< 

### {if(split($0,foo,/*=/))print $0}:
../a.out: illegal primary in regular expression *= at =
 source line number 1
 context is
	 >>> {if(split($0,foo,/*=/) <<< 

### {if(split($0,foo,/-=/))print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(split($0,foo,//=/))print $0}:
../a.out: empty regular expression
 source line number 1
 context is
	 >>> {if(split($0,foo,//= <<< /))print $0}

### {if(split($0,foo,/%=/))print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(split($0,foo,/^=/))print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(split($0,foo,/\/=/))print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(split($0,foo,/!=/))print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(split($0,foo,/<=/))print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(split($0,foo,/>=/))print $0}:
foo=bar
foo==bar
foo+bar
foo+=bar
foo-=bar
foo*=bar
foo/=bar
foo^=bar
foo%=bar
foo!=bar
foo<=bar
foo>=bar
foo bar
foo/bar
foo=bar=fribble
=foo=bar


### {if(sub(/=/,"#"))print $0}:
foo#bar
foo#=bar
foo+#bar
foo-#bar
foo*#bar
foo/#bar
foo^#bar
foo%#bar
foo!#bar
foo<#bar
foo>#bar
foo#bar=fribble
#foo=bar

### {if(sub(/=/,"#"))print $0}:
foo#bar
foo#=bar
foo+#bar
foo-#bar
foo*#bar
foo/#bar
foo^#bar
foo%#bar
foo!#bar
foo<#bar
foo>#bar
foo#bar=fribble
#foo=bar

### {if(sub(/==/,"#"))print $0}:
foo#bar

### {if(sub(/+=/,"#"))print $0}:
../a.out: illegal primary in regular expression += at =
 source line number 1
 context is
	 >>> {if(sub(/+=/,"#") <<< 

### {if(sub(/*=/,"#"))print $0}:
../a.out: illegal primary in regular expression *= at =
 source line number 1
 context is
	 >>> {if(sub(/*=/,"#") <<< 

### {if(sub(/-=/,"#"))print $0}:
foo#bar

### {if(sub(//=/,"#"))print $0}:
../a.out: empty regular expression
 source line number 1
 context is
	 >>> {if(sub(//= <<< /,"#"))print $0}

### {if(sub(/%=/,"#"))print $0}:
foo#bar

### {if(sub(/^=/,"#"))print $0}:
#foo=bar

### {if(sub(/\/=/,"#"))print $0}:
foo#bar

### {if(sub(/!=/,"#"))print $0}:
foo#bar

### {if(sub(/<=/,"#"))print $0}:
foo#bar

### {if(sub(/>=/,"#"))print $0}:
foo#bar

### {if(gsub(/=/,"#"))print $0}:
foo#bar
foo##bar
foo+#bar
foo-#bar
foo*#bar
foo/#bar
foo^#bar
foo%#bar
foo!#bar
foo<#bar
foo>#bar
foo#bar#fribble
#foo#bar

### {if(gsub(/=/,"#"))print $0}:
foo#bar
foo##bar
foo+#bar
foo-#bar
foo*#bar
foo/#bar
foo^#bar
foo%#bar
foo!#bar
foo<#bar
foo>#bar
foo#bar#fribble
#foo#bar

### {if(gsub(/==/,"#"))print $0}:
foo#bar

### {if(gsub(/+=/,"#"))print $0}:
../a.out: illegal primary in regular expression += at =
 source line number 1
 context is
	 >>> {if(gsub(/+=/,"#") <<< 

### {if(gsub(/*=/,"#"))print $0}:
../a.out: illegal primary in regular expression *= at =
 source line number 1
 context is
	 >>> {if(gsub(/*=/,"#") <<< 

### {if(gsub(/-=/,"#"))print $0}:
foo#bar

### {if(gsub(//=/,"#"))print $0}:
../a.out: empty regular expression
 source line number 1
 context is
	 >>> {if(gsub(//= <<< /,"#"))print $0}

### {if(gsub(/%=/,"#"))print $0}:
foo#bar

### {if(gsub(/^=/,"#"))print $0}:
#foo=bar

### {if(gsub(/\/=/,"#"))print $0}:
foo#bar

### {if(gsub(/!=/,"#"))print $0}:
foo#bar

### {if(gsub(/<=/,"#"))print $0}:
foo#bar

### {if(gsub(/>=/,"#"))print $0}:
foo#bar

### {if(sub(/=/,"#",$0))print $0}:
foo#bar
foo#=bar
foo+#bar
foo-#bar
foo*#bar
foo/#bar
foo^#bar
foo%#bar
foo!#bar
foo<#bar
foo>#bar
foo#bar=fribble
#foo=bar

### {if(sub(/=/,"#",$0))print $0}:
foo#bar
foo#=bar
foo+#bar
foo-#bar
foo*#bar
foo/#bar
foo^#bar
foo%#bar
foo!#bar
foo<#bar
foo>#bar
foo#bar=fribble
#foo=bar

### {if(sub(/==/,"#",$0))print $0}:
foo#bar

### {if(sub(/+=/,"#",$0))print $0}:
../a.out: illegal primary in regular expression += at =
 source line number 1
 context is
	 >>> {if(sub(/+=/,"#",$0) <<< 

### {if(sub(/*=/,"#",$0))print $0}:
../a.out: illegal primary in regular expression *= at =
 source line number 1
 context is
	 >>> {if(sub(/*=/,"#",$0) <<< 

### {if(sub(/-=/,"#",$0))print $0}:
foo#bar

### {if(sub(//=/,"#",$0))print $0}:
../a.out: empty regular expression
 source line number 1
 context is
	 >>> {if(sub(//= <<< /,"#",$0))print $0}

### {if(sub(/%=/,"#",$0))print $0}:
foo#bar

### {if(sub(/^=/,"#",$0))print $0}:
#foo=bar

### {if(sub(/\/=/,"#",$0))print $0}:
foo#bar

### {if(sub(/!=/,"#",$0))print $0}:
foo#bar

### {if(sub(/<=/,"#",$0))print $0}:
foo#bar

### {if(sub(/>=/,"#",$0))print $0}:
foo#bar

### {if(sub(/=/,"#",$0))print $0}:
foo#bar
foo#=bar
foo+#bar
foo-#bar
foo*#bar
foo/#bar
foo^#bar
foo%#bar
foo!#bar
foo<#bar
foo>#bar
foo#bar=fribble
#foo=bar

### {if(gsub(/=/,"#",$0))print $0}:
foo#bar
foo##bar
foo+#bar
foo-#bar
foo*#bar
foo/#bar
foo^#bar
foo%#bar
foo!#bar
foo<#bar
foo>#bar
foo#bar#fribble
#foo#bar

### {if(gsub(/==/,"#",$0))print $0}:
foo#bar

### {if(gsub(/+=/,"#",$0))print $0}:
../a.out: illegal primary in regular expression += at =
 source line number 1
 context is
	 >>> {if(gsub(/+=/,"#",$0) <<< 

### {if(gsub(/*=/,"#",$0))print $0}:
../a.out: illegal primary in regular expression *= at =
 source line number 1
 context is
	 >>> {if(gsub(/*=/,"#",$0) <<< 

### {if(gsub(/-=/,"#",$0))print $0}:
foo#bar

### {if(gsub(//=/,"#",$0))print $0}:
../a.out: empty regular expression
 source line number 1
 context is
	 >>> {if(gsub(//= <<< /,"#",$0))print $0}

### {if(gsub(/%=/,"#",$0))print $0}:
foo#bar

### {if(gsub(/^=/,"#",$0))print $0}:
#foo=bar

### {if(gsub(/\/=/,"#",$0))print $0}:
foo#bar

### {if(gsub(/!=/,"#",$0))print $0}:
foo#bar

### {if(gsub(/<=/,"#",$0))print $0}:
foo#bar

### {if(gsub(/>=/,"#",$0))print $0}:
foo#bar