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ed: Add support for ! in w command - sbase - suckless unix tools |
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git clone git://git.suckless.org/sbase |
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--- |
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commit 0b4c2ceb2f4594cc9d5ca09e39fb57f6e4f82bfb |
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parent 53040766d1a09baa7412c73c9a93afac2bfd6acc |
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Author: Heiko Berges <[email protected]> |
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Date: Thu, 21 Sep 2023 14:56:58 +0200 |
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ed: Add support for ! in w command |
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When the file name begins with ! then the addressed buffer content is |
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piped to the name of the file that is considered a command that is |
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executed in a shell. |
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Diffstat: |
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M ed.c | 10 ++++++++-- |
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1 file changed, 8 insertions(+), 2 deletions(-) |
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--- |
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diff --git a/ed.c b/ed.c |
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@@ -626,8 +626,14 @@ dowrite(const char *fname, int trunc) |
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size_t bytecount = 0; |
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int i, line; |
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- if (!(fp = fopen(fname, (trunc) ? "w" : "a"))) |
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- error("input/output error"); |
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+ if(fname[0] == '!') { |
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+ fname++; |
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+ if((fp = popen(fname, "r")) == NULL) |
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+ error("Bad Exec"); |
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+ } else { |
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+ if ((fp = fopen(fname, "r")) == NULL) |
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+ error("cannot open input file"); |
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+ } |
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line = curln; |
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for (i = line1; i <= line2; ++i) { |
