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Add tee utility

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This commit is contained in:
joachimschmidt557 2019-03-27 11:14:08 +01:00
parent 3866bec55e
commit 761eb0a5e6
3 changed files with 24 additions and 4 deletions
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11
cat.nim
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@ -3,8 +3,13 @@ import common
proc main(files:seq[string]) =
for file in files:
var s = newFileStream(file, fmRead)
while not s.atEnd:
write(stdout, s.readChar)
if file == "-":
var line = ""
while stdin.readLine(line):
echo line
else:
var s = newFileStream(file, fmRead)
while not s.atEnd:
write(stdout, s.readChar)
dispatch(main, version=("version", nimbaseVersion))

2
nimbase.nimble
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@ -8,6 +8,6 @@ requires "nim >= 0.19.0"
requires "cligen >= 0.9.19"
requires "stint >= 0.0.1"
bin = @["add", "cat", "cp", "div", "echo", "factor", "false", "head", "mkdir", "mul", "seq", "sleep", "sub", "true", "yes"]
bin = @["add", "cat", "cp", "div", "echo", "factor", "false", "head", "mkdir", "mul", "seq", "sleep", "sub", "tee", "true", "yes"]
binDir = "bin"

15
tee.nim Normal file
View file

@ -0,0 +1,15 @@
import cligen, os, streams
import common
proc main(files:seq[string]) =
var
fileStreams:seq[Stream]
line = ""
for file in files:
fileStreams.add(newFileStream(file, fmWrite))
while stdin.readLine(line):
echo line
for fStream in fileStreams:
writeLine(fStream, line)
dispatch(main, version=("version", nimbaseVersion))